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Industrial Batteries

EDITION 01/2012 - MEA

ENGINEERING MANUAL

Fiamm S.p.A. Viale Europa, 63 Montecchio Maggiore 36075 (VI) Italy Tel +39 0444 709350 – Fax +39 0444 709360 www.fiamm.com

FIT RANGE


FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

2

TABLE OF CONTENTS ™ INTRODUCTION ™ FEATURES NO TOPPING-UP COMPATIBILITY HIGH ENERGY DENSITY OFFICE COMPATIBILITY SAVINGS LONG LIFE INSTALLATION RELIABILITY

™ CONSTRUCTION FEATURES PLATES CONTAINERS SEPARATORS ELECTROLYTE VALVES TERMINAL POSTS CUTAWAY DRAWING

™ OPERATING FEATURES CAPACITY CELL VOLTAGE INTERNAL IMPEDANCE AND SHORT CIRCUIT CURRENT CAPACITY IN RELATION TO THE TEMPERATURE SERVICE LIFE OPEN CIRCUIT CYCLING GASSING OPERATION OF BATTERIES IN PARALLEL

™ CHARGING INTRODUCTION RECOMMENDED PROCEDURE FOR CHARGING AND FLOATING OF FIT BATTERIES FLOAT CHARGE REACHARGE FOLLOWING DISCHARGE

™ APPLICABLE STANDARDS ™ MAINTENANCE AND TESTING INTRODUCTION VISUAL INSPECTION CLEANING VOLTAGE CHECKS CAPACITY TEST

™ INSTALLATION ™ TECHNICAL FEATURES PRINCIPAL CHARACTERISTICS BATTERY SYSTEMS 48V AND BATTERY LAYOUTS

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

3 ™ INTRODUCTION In a high technological environment it is extremely important to have a backup power source whenever possible. Infact mains power failure could cause severe losses and damages anytime. FIAMM has been developing throughout years of research and experience several ranges of AGM VRLA batteries utilizing the most advanced technology to ensure the best reliability and quality. FIAMM AGM (Absorbed Glass Mat) batteries belong to the category of Valve Regulated Lead Acid (VRLA) batteries, also sometimes known as "recombination" or "virtually sealed" batteries. FIAMM front terminal range (FIT) are 12 volt blocks from 40Ah to 180Ah capacity, using reinforced grids and medium-high thickness plates, suitable for UPS and critical Telecom applications. FIAMM front terminal range (FIT) is designed to meet the requirements of all the Telecom’s digital exchanges, being the ideal product for reserve energy storage in telecommunication applications such as PABX systems, switching and transmission stations of the latest architecture, including wireless types. FIAMM front terminal range (FIT) can offer considerable advantages such as: ready for installation as delivered; no topping-up necessity during life; virtually sealed; it can be installed where people work and is office compatible. FIAMM front terminal range (FIT) utilises the most advanced technology and rigorous quality control which guarantees the utmost reliability and quality of the battery.

™ FEATURES NO TOPPING-UP FIAMM front terminal range batteries require no topping-up throughout their life. COMPATIBILITY FIAMM front terminal range was specially designed to meet the requirements of modern electronic equipment and is compatible with normally available recharging systems without special modifications. HIGH ENERGY DENSITY The compact construction and excellent performance at high rates of discharge provide big savings in volume and weight as compared to conventional flooded, vented batteries. OFFICE COMPATIBILITY FIAMM front terminal batteries, which are valve regulated and virtually sealed, under normal operating conditions, do not give off perceptible amounts of gas; thus they can be installed with complete confidence in the same environment where people live and work. SAVINGS FIAMM front terminal batteries offers substantial savings over the installation and maintenance costs of conventional vented batteries. In fact, no special rooms and virtually no maintenance operations are required during the battery life. LONG LIFE Rigorous laboratory tests and extensive field experience have enabled FIAMM to manufacture a highly reliable product with a very long life. INSTALLATION FIAMM front terminal batteries are very easy to position by hand because it’s designed with handles moulded into the case. Smaller, more compact and lighter than normal batteries, FIAMM front terminal batteries are supplied filled and charged, i.e. it can be immediately installed directly into the equipment, in cabinets or on easily assembled racks of simple design. RELIABILITY FIAMM front terminal batteries have been tested in the field for a number of years and fully comply with established international standards. FIAMM front terminal batteries have been fully tested with respect to charge and discharge characteristics, cyclic life, recombination efficiency, mechanical strength, vibration life and flame retardancy.

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

4 ™ CONSTRUCTION FEATURES The main construction features of FIAMM AGM batteries are shortly described in the below section. PLATES Both positive and negative plates are of the flat pasted type. The active material is made of a paste of lead oxide, water, sulphuric acid and other materials needed to obtain the performances and stability required throughout the battery life. The grids are made of a high quality lead alloy with calcium and tin which assures good resistance against corrosion; the grids are sized to ensure a design life of 10 or more years at normal ambient temperature. CONTAINERS Battery cases and lids are made of a type of ABS which complies with American Standards UL 94, class V-0 and with IEC 707, method FV0. This material is shock resistant and flame retardant. They are also designed to fully withstand the internal pressure variations during battery operation. This is further ensured by reinforced container walls and lids. Handles have been designed into the lids to facilitate handling. SEPARATORS These separators are made of glass microfibre mats by a special process which results in a high porosity with very small pore diameters to ensure maximum oxygen diffusion while maintaining high plate utilisation and low internal impedance. The plates are completely wrapped by the separator and the electrolyte is completely absorbed in the separator and plates. By this method, the shedding of active material which during the battery life causes shorting with flooded battery construction is avoided. ELECTROLYTE The electrolyte is sulphuric acid of 1.3 sp. gr. at 20°C with same purity characteristics as other types of high quality lead acid batteries. VALVES Each cell has a one way valve to permit the release of gases from the cell whenever the internal pressure exceeds the fixed safety value. The valve is rated at 0.15~0.30 atmospheres (15~30 Kpa). TERMINAL POSTS Suitable threaded post design (‘male’ or ‘female’ pole) with solid connectors are provided to ensure low ohmic losses. Post to lid seals are designed to prevent leakage over a wide range of internal pressures and conditions of thermal cycling. Intercell connections in the FIAMM front terminal battery design are electrically welded through the cell walls to minimise the internal impedance while maintaining complete separation of the individual cells. CUTAWAY DRAWING

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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St. Knafl L.Gentilin


FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

5 ™ OPERATING FEATURES CAPACITY The battery capacity is rated in ampere hours (Ah) and is the quantity of electricity which it can supply during discharge. The capacity depends on the quantity of the active materials contained in the battery (thus on dimensions and weight) as well as the discharge rate and temperature. The nominal capacity (C10) of FIAMM front terminal batteries refers to the 10 hr discharge rate with constant current at 20° C to 1.80 volt per cell. CELL VOLTAGE The voltage of lead acid cells is due to the electrochemical potential differences between the active electrode materials (PbO2 and Pb) in the presence of electrolyte (sulphuric acid). Its value depends on the electrolyte concentration in contact with these electrodes, but is approximately 2 Volts under most open circuit conditions. More precisely, it is a function of the state of charge of the battery; the open circuit voltage of a FIAMM front terminal battery cell at ambient temperature can be represented by the figure 3.

Open Circuit Voltage (V)

2,2 2,15 2,1 2,05 2

Fig. 3 Open circuit voltage in relation to the state of charge of the cell

1,95 1,9 0

25

50 State of charge (%)

75

100

INTERNAL IMPEDANCE AND SHORT CIRCUIT CURRENT The internal impedance of a lead acid battery is a direct result of the type of internal construction, plate thickness, number of plates, separator material, electrolyte sp. gr., temperature and state of charge. FIAMM front terminal batteries are designed to withstand a short circuit current for 1 minute without damaging. The internal resistance and the short circuit current of FIAMM front terminal batteries at 100% state of charge and 20°C is given in table 1 of section TECHNICAL FEATURES / PRINCIPAL CHARACTERISTICS. CAPACITY IN RELATION TO THE TEMPERATURE The capacity available from a battery, at any particular discharge rate, varies with temperature. Following graph (see fig.4) shows the capacity depreciation at different temperatures and discharge Rates. 110% 105%

recharged capacity

100% 95% 90% 85% 80% 1-10 ore

75%

Fig. 4 Available capacity versus temperature

5-59 min. 70% 65% 60%

-20

0

5

10

15 20 temperature (°C)

25

30

35

40

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

6 SERVICE LIFE According to the main international standards a battery is considered at the end of its service life whenever delivering less than 80% of its nominal capacity. The expected service life of FIAMM front terminal batteries is in accordance with Eurobat Guide’s category : 12 years and longer “long life”. FIAMM front terminal batteries can operate over a temperature range of –20 to +50°C; battery life is reduced for temperature higher then 20°C. Operation at temperature higher than 20°C reduces life expectancy according to the table in figure 5.

Fig. 5 Expected service life vs working temperature

Service life of the battery is affected as well by the floating voltage range chosen for the charging As showed in figure 6.

Fig. 6 Expected service life vs working temperature

OPEN CIRCUIT The state of charge of lead acid batteries slowly decreases on open circuit stand due to self discharge. In FIAMM front terminal batteries, the rate of self discharge in respect to time is about 2% per month at 20° C. During prolonged storage it is necessary to float charge the battery every 6 months according to the instructions in paragraph 6 to maintain a fully charged condition of the battery; excessive open circuit storage of any lead acid battery without recharge will result in some permanent loss of capacity. As during storage batteries will lose part of their capacity (figure 7) due to self discharge (2% per month at 20°C), a freshening charge is recommended at least every 6 months (at 20°C storage temperature).

110 100 90

10°C

80

40°C

30°C

20°C

70 60 50 0

2

4

months

6

8

10

Fig. 7 Capacity loss during storage at different temperatures.

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

7 CYCLING FIAMM front terminal batteries have been tested successfully according to the latest cycle life test specified in the main standards for VRLA batteries (IEC and BS).

GASSING As previously stated, FIAMM front terminal batteries have a high recombination efficiency (>98%) and for cells operated at 20째C under normal operating conditions venting is virtually negligible. Laboratory test measurements show the following gassing rates: 2 ml/Ah/cell/month at a float voltage of 2.27 V/cell 10 ml/Ah/cell/month at a recharge voltage of 2.40 V/cell The quantity of gas given off in the air (it basically consists of 80-90% hydrogen) is very low and thus it is clear that FIAMM front terminal recombination batteries can be installed in rooms containing electric equipment with no explosion danger or corrosion problems under normal conditions. The only requirements is that these rooms or cabinets must have a natural ventilation and not be fully sealed. In case of specific requirement FIAMM front terminal batteries can be customized with a Remote Venting System (RVS) to avoid any gas releasing inside batteries installation site.

OPERATION OF BATTERIES IN PARALLEL When the required capacity exceeds the capacity of a single string of batteries, it is possible to Connect more strings in parallel, paying attention to the following guidelines: in each string only batteries of the same type, model and quantity should be used; a symmetrical layout of the batteries should be designed (i.e. length and type of connector) to minimize possible resistance variations; in the quantity of strings in parallel should be reasonable in terms of layout and application. Usually 4 strings could be connected in parallel, anyway depending on stringsvoltage and cables length, a higher number of strings could be safely connected to reach required total capacity.

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

8 ™ CHARGING INTRODUCTION In order to ensure the best protection against power failures in any moment, it is necessary that batteries are kept in the following conditions: in float charging throughout all their standby period; fully recharged soon after a discharge. Recharging process can be performed in several ways, depending on the site and equipment conditions, but there are two main methods: floating voltage recharge boost charge The IU recharge method, also known as modified constant potential, has been used for many years and in a variety of applications, as it combines the need of having the battery quickly recharged while ensuring maximum battery life. With this method, recharge starts at a constant current rate. The voltage increases up to a pre-set value. The pre-set voltage is maintained and the current then decreases to a minimum defined value. Finally, the recharge is completed at a final constant voltage value equal to or less than that defined for float charge with the current decreasing to the value used in float.

Fig. 8 IU Charging curve

RECOMMENDED PROCEDURE FOR CHARGING AND FLOATING OF FIT BATTERIES For a safe installation of FIAMM front terminal batteries only constant voltage chargers should be used. It is as well important to recharge FIAMM front terminal batteries using methods which do not cause excessive water loss through gas releasing. The best charging method operates with a preset constant voltage value supplying an automatically limited charging current. It is called constant voltage charging with current limit and automatic crossover. A boost charge for at least 48 hours (at 20°C) is suggested during commissioning or before a capacity test in order to be sure that the battery is in fully charge condition.

FLOAT CHARGE The voltage recommended for float charge, which will ensure the maximum life of the FIAMM front terminal batteries is 2.27 V at 20°C. The recommended float voltages to maximise the battery life over the range of temperatures between -20 and +60°C are shown in the figure 9.

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

9

2,4

2,35

2,3

VPC (V) 2,25

2,2

Fig. 9 Float Voltage vs. temperature

2,15

2,1 -20

0

20

40

60

Temperature (째C)

The normal float current observed in fully charged FIAMM front terminal batteries at 2.27 VPC and a temperature of 20째C is approximately 0.3 mA/Ah. Because of the nature of recombination phenomena, the float current observed in the case of the FIAMM front terminal batteries is normally higher than that of vented batteries and is not an indication of the state of charge of batteries.

REACHARGE FOLLOWING DISCHARGE The recommended recharge method is to use a constant voltage equal to the float charge voltage with a maximum charge current of 25% of nominal capacity (0.25 C10). Using this procedure, the recharge times at different values of maximum current, are shown in figure 10. To reduce the recharge time, the IU recharge method can be used with a higher voltage of max. 2.40 V/cell at 20째C and a current limit of 0.25 C10. This process, called also boost charge, should be applied only when batteries are not in fully charge conditions and need to be recovered in a short time. The battery should be placed back on floating as soon as possible, ideally as soon as the charge current has dropped below 10 mA/Ah (or lower if the application has frequent power failures). Boost charge should be used only when necessary. Frequent equalizing charge can result in more water consumption, which will lead to reduced capacity and shortened battery life. 110% 100% 90%

Recharged capacity

80% 70%

Recharge current limit

60%

0,1 C10 50%

0,15 C10 0,25 C10

40% 30% 20%

10% 0% 0

2

4

6

8

10

12

14

16

Fig. 10 Recharge curves at different current limit

hours

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

10 ™ APPLICABLE STANDARDS FIAMM front terminal batteries (FIT) fully comply with: British Standards N° 6290 Part 4 “Specification for lead acid batteries” IEC 60896-Part 21 Stationary lead-acid battery Valve Regulated Type – Methods of tests; IEC 60896-Part 21Part 22 Stationary lead-acid battery Valve Regulated Type - Requirements Eurobat Guide to the specification of valve regulated Lead acid stationary cells and batteries: Group I: 1 12 years and longer “long life”

™ MAINTENANCE AND TESTING INTRODUCTION FIAMM front terminal batteries (FIT) are maintenance-free with respect to the electrolyte topping-up, but it is important to carry out few standard maintenance procedures to ensure the longevity and the reliability of the battery. VISUAL INSPECTION FIAMM front terminal batteries (FIT) should go through a visual inspection on a periodical basis according to user needs to verify following parameters: cleanliness of the battery and surrounding area; signs of corrosion at the terminals, connections, or support structure (rack or cabinet); block integrity (cracks, or excessive jar/cover distortion, or signs of electrolyte leaks or seepage); tightness of the connectors fastening. If any block shows whatsoever physical damage it is necessary to check immediately its floating voltageand/or temperature and carry out a proper action plan. CLEANING When necessary, batteries could be cleaned using a soft dry cloth or water-moistened soft cloth paying attention not to cause any ground faults. No detergent nor solvent-based cleaning agents nor abrasive cleaners should be used as they may cause a permanent damage to the battery plastic container and lid . VOLTAGE CHECKS All voltage measurements should be made when the whole battery has stabilized on floating, at least 7 days after battery installation or after a discharge cycle. To facilitate voltage reading in the correspondence of each block terminal protection covers are designed with a safe and proper hole. Measure and record individual block voltages on float once a year. It is normal to have a spread of block voltages up to ± 60 mV/cell, particularly in the first year of operation. No corrective action is required in this case. Maintaining a correct battery charging voltage is extremely important for the reliability and life of the battery. So it is advisable to carry out a periodical checking of the overall float voltage to verify any possible defect of charger or connections. CAPACITY TEST Before any discharging test batteries should be properly prepared with a boost charge to ensure They are in a fully charge condition. In order to take temperature readings of a battery, one pilot cell or block shall be chosen. The surface temperature of the container wall centre of each pilot block shall be measured immediately prior to the discharge test. The individual readings shall be between 15°C and 30°C. The temperature of the selected block shall be considered as representative of the average temperature of the battery. It is desirable that the average basal surface temperature and the ambient temperature fall as nearer to the reference temperature of 20°C or 25°C as possible. In case of batteries having a capacity lower than 80% of the nominal rating it is advisable to replace them within 12 months.

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

11 ™ INSTALLATION FIAMM front terminal valve regulated recombination batteries can be fitted on stands or into cabinets. FIAMM offers a wide selection of stands, from one tier/one row to six tiers/three rows, to suit most applications. Cabinets are available with or without circuit breaker and its relevant compartment. 1) Upon installation of FIAMM front terminal blocs into a cabinet or on a stand, first place the single units at their correct position according to the electrical layout. Start with the lowest shelf to ensure stability. Carefully preserve the sequence: positive, negative, positive, negative throughout the whole battery. Flexible cable connectors for connecting from one shelf to the one below, will be applied once that all the blocs have been connected (we would suggest to connect such inter-shelf or inter-row cable connectors at the final User’s premises only). 2) To ensure a good electrical contact between the bottom of each terminal and the connecting strap and, at the same time, to ensure that the threaded terminals are not damaged by excessive torque, use a torque spanner set on the value of: 5-7 Nm / 44-62 in. lb for terminal M6 7-8 Nm / 65-70 in. lb for terminal M8 3) For safety reasons, we would recommend not to pre-assemble the blocs into the cabinets before shipment to the final Customer. However, if this is normal practice for some system makers, we would strongly recommend to pay special attention to protect the battery system from mechanical stress and vibrations occurring during transport. For this purpose, we would require to properly fasten all the blocs to the relevant cabinet shelves by means of plastic band and/or other adequate methods. Furthermore, the cabinet should be protected, in the outside, with shock-absorbing packaging material, in order to prevent any transmission of vibrations to the internal components such as the battery blocs. Special precautions must be taken to avoid accidental short circuits.

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

12 ™ TECHNICAL FEATURES PRINCIPAL CHARACTERISTICS Table 1 lists the types of batteries now available and the principal characteristics. BATTERY TYPE

NOMINAL VOLTAGE (V)

CAPACITY (AH) Ah at 20°C 10 hrs to 1.80 VPC

SHORT CIRCUIT CURRENT (A) IEC 60896-21

INTERNAL RESISTANCE (mohm) IEC 60896-21

12 FIT 40 12 FIT 55 12 FIT 60 12 FIT 75 12 FIT 90 12 FIT 100/19 12 FIT 100/M 12 FIT 100/23 12 FIT 130 12 FIT 150 12 FIT 180

12 12 12 12 12 12 12 12 12 12 12

40 55 60 75 90 100 100 100 130 150 180

920 1220 1330 1980 2260 2650 1931 2430 3080 3430 3740

13.0 9.8 9.0 6.0 5.3 4.4 6.6 5.2 3.9 3.5 3.2

DIMENSIONS (mm) Length Width Height L W H

280 395 280 395 395 395 518 558 558 558 558

105 108 105 108 108 108 105 126 126 126 126

198 199 260 275 275 287 245 230 270 282 320

WEIGHT (kg)

TERMINAL TYPE

15.2 21 21 29 32 33 34 37 45 48.5 57.5

Female M6 Female M6 Female M6 Female M6 Female M6 Female M6 Female M6 Female M8 Female M8 Female M8 Female M8

BATTERY SYSTEMS 48V AND BATTERY LAYOUTS 48 Volt System with 4 blocs FIT each 12 Volt

12 FIT 40 12 FIT 55 12 FIT 60 12 FIT 75 12 FIT 90 12 FIT 100/19 12 FIT 100/M 12 FIT 100/23 12 FIT 130 12 FIT 150 12 FIT 180

C10

Width

Depth

Height

Weight

(Ah) 40 55 60 75 90 100 100 100 130 150 180

(mm) 440 452 440 452 452 452 440 524 524 524 524

(mm) 280 395 280 395 395 395 518 558 558 558 558

(mm) 198 199 260 275 275 287 245 230 270 282 320

(kg) 60.8 84 84 116 128 132 136 148 180 194 230

TYPES

ACCESSORIES

H D

W

48 Volt System – Battery layout (top view)

12FIT40 ( TH 198mm )

12FIT60 ( TH 260mm )

A=CONNECTOR COVER B=SOLID CONNECTOR C=END LUG D=COVER END LUG

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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FIAMM Standby Batteries

FIT Valve Regulated Recombination Batteries

Engineering Manual

Edition 01/2012 - MEA

13 TYPES

ACCESSORIES

48 Volt System – Battery layout (top view)

12FIT55 ( TH 199mm )

12FIT75 ( TH 275mm )

12FIT90 ( TH 275mm )

A=CONNECTOR COVER B=SOLID CONNECTOR C=END LUG D=COVER END LUG

12FIT100/19 ( TH 287mm )

12FIT100/M ( TH 245mm )

A=CONNECTOR COVER B=SOLID CONNECTOR C=END LUG D=COVER END LUG

12FIT100/23 ( TH 230mm )

12FIT130 ( TH 270mm )

12FIT150

A=CONNECTOR COVER B=SOLID CONNECTOR C=END LUG

( TH 282mm )

12FIT180 ( TH 320mm )

This document and the confidential information it contains shall be distributed, routed or made available solely with written permission of FIAMM. FIAMM S.p.A. reserves the right to change or revise without notice any information or detail given in this publication.

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