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Electron

S.R.L.

Design Production & Trading of Educational Equipment

A38 – MOTORS AND TRANSFORMERS TESTING SET

ELECTRON S.R.L. VIA CASCINA TORCHIO I-26833 MERLINO (LO) ITALY - TEL. 39(Italy) 02(Milan) 9065 9200 FAX 9065 9180 - E-mail: electron@electron.it Web: www.electron.it Rev 11/00 Specifications may change without notice

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File LEAFLET A38


A3800 – POWER SUPPLY UNIT This power supply A3800 is designed to supply all A.C. and D.C. voltages required to perform the tests proposed in the manuals of Motor and Transformer Constructions kits. They are designed for 2 groups of students (2 to 4 students each side).

General Magneto-Thermal-Differential protection. Input voltage : 3 phase + N +T according to the local standard, to be specified when ordering. Output voltages standard : A.C. Fixed 220/380V 25A (2 outputs) (up to 240/415 V) 0-12-24V 4A (4 outputs) D.C. Fixed 0-12-24V 4A unfiltered (4 outputs) (other values are available on request). Key ON - OFF switch 4 mm terminals unlooseable and according to IEC standards for safety, to avoid any accidental contact. MT protection on all outputs 2 sockets three phase 4 sockets one phase Optical continuity tester

General Common Characteristics : In metal housing, with clear synoptic on the front panels and all required protections. 4 mm terminals according to European standards for safety, to avoid any accidental contact. Input voltage: 3 phase + N + GND 220/380 V, 50 Hz. (up to 240/415 V) Output currents suitable for motors up to 3.5 Kw Emergency push button

A3800A3800-A - POWER SUPPLY UNIT This power supply A3800-A has the same characteristics of A3800 except:

Input voltage: 3 phase + N + GND 127/220 V, 60 Hz. A.C. Fixed 127/220V 25A (2 outputs) 0-12-24V 4A (4 outputs)

ELECTRON S.R.L. VIA CASCINA TORCHIO I-26833 MERLINO (LO) ITALY - TEL. 39(Italy) 02(Milan) 9065 9200 FAX 9065 9180 - E-mail: electron@electron.it Web: www.electron.it Rev 11/00 Specifications may change without notice

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File LEAFLET A38


A3870 – STATOR AND ROTOR TESTER (factory code A3470)

General: The A3870 is a reliable and handy test instrument for quality assurance and fault location in electric motors. Both short-circuits and interruptions of coil windings can be rapidly detected. The A3870 tester appears as a hand-held cylinder that contains the testing arrangement. The tester consists of two coils, an electronic AC signal generator and a detector/driver for Led indicators. The electronics are contained in the handle of the instrument, while the coils are mounted at the sensing end of the unit.

A Test and Calibration tool is for a rapid verification of the operation of the tester and for calibration is also supplied. A trimmer is accessible through a hole in the handle of the tester and may be used to adjust the red/green switchover point. The unit is power-supplied by a separate power pack, operated at 220V, 50Hz (other values on request). The A3870 comes complete extensive instructions manual

with

an

Ordering code: A3870

ELECTRON S.R.L. VIA CASCINA TORCHIO I-26833 MERLINO (LO) ITALY - TEL. 39(Italy) 02(Milan) 9065 9200 Rev 03/01 FAX 9065 9180 - E-mail: electron@electron.it Web: www.electron.it Specifications may change without notice

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File LEAFLET A38


A3873 A3873 – INSULATION TESTER (factory code STST-1504) 1504)

It is a light and portable combination instrument for testing insulation (MH), continuity (H) and AC voltage. Instant operation is possible with a pushbutton; in addition, for continuous measurement of MH or H, a convenient timer is provided with automatic power-off after 3 to 5 minutes to save the battery power. Insulation Resistance Ranges: – Test Voltage : 250V/500V/1000V – Measuring Ranges: 0-100 MH (midscale 1 MH), 0-200 MH (mid-scale 2 MH), 0-400 MH (mid-scale 4 MH) – Accuracy: +/- 5% Full scale – Short Circuit Current : 2mA Continuity Test Ranges: – Measuring Ranges: 0-100 H – Short Circuit Current: 50mA – Accuracy: +/- 5% Full scale Voltage Range: – Range: 0-600 VAC – Accuracy: +/- 2.5% Full scale

ELECTRON S.R.L. VIA CASCINA TORCHIO I-26833 MERLINO (LO) ITALY - TEL. 39(Italy) 02(Milan) 9065 9200 FAX 9065 9180 - E-mail: electron@electron.it Web: www.electron.it Rev 07/03 Specifications may change without notice

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A38 A38 A38 A38 – – – – MOTORS AND TRANSFORMERS MOTORS AND TRANSFORMERS MOTORS AND TRANSFORMERS MOTORS AND TRANSFORMERS TESTING SET TESTING...

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