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Characteristics and Outline Dimensions Molded Case Circuit Breakers

H125-NF,L125-NF Time/Current characteristic curves

H125-NF

L125-NF

125

minute

125

hour

Ratings and Specifications Type Number of poles ■Ratings Rated current, A Calibrated at 40°C

(125A Frame)

3 2 1 40 30 20 10 6 4 2

Tripping Time

Externally mounted

● ● ● ― ● ● ● ● ● ● ● ●e ● ●

● ● ● ― ● ● ● ● ● ● ● ●e ● ●

Thermal-magnetic Yes (Red) Yes Yes

Thermal-magnetic Yes (Red) Yes Yes

0.1 0.06 0.04 0.02

200

0.01 0.005

Percent Rated Current

Ambient Compensating Curves 140

Calibrated temperature

130 120 110 100 90 0

10

20

30

Notes: ' : Standard. This configuration used unless otherwise specified. ○ : Optional standard. Specify when ordering. ▲ : Semi-standard. ● : “yes” or “available”. ― : “no” or “not available”. 1 : DC rating available on request. 3 : Line side interpole barriers are supplied as standard. (Front connection only)

Poles

Combinations of Internally Mounted Accessories(Optional) AX

AL

Auxiliary switch

Alarm switch

3 ・ 4

Toggle

191

SH Shunt trip

Left pole Right pole

UV Under voltage trip

AX

AL

40

Ambient temperature (°C)

AX

SH

AX

UV

AL

SH

AL

UV

AX

AX

AL

AL

SH

UV

50

8000

' ○(BAR) − ○ ○ ― ― ―

0.2

3000 4000 5000

' ○(BAR) − ○ ○ − ― ―

Magnetic trip setting 960%–1440%

100 125

■Rated short time withstand current, kA Weight (' marked standard type) kg ■Connections and Mountings Front-connected (FC) Terminal screws With extension bars Rear-connected (RC) Bolt studs Flat bar studs Plug-in (PM) Draw-out type (DR) DIN rail mount Clip-in chassis mount ■Accessories (optional) Symbol Motor operator MC External operating Breaker-mounted HB handle Door-mounted (variable depth) HP Toggle extension HA Mechanical interlock Slide type MS Link type ML Wire type MW Toggle holder HH Toggle lock HL Terminal cover For front-connected CF For rear-connected and plug-in CR Interpole barrier BA Terminal block for lead TF Door flange DF ■Standard specifications Overcurrent trip mechanism Trip button (color) Handle position indication (ON: Red, OFF: Green) Suitability for isolation

Min.

1 0.6 0.4

1500 2000

25/20 65/65 180/135 200/150 200/150 200/150 40/40 40/40 ― 2.4 3.2

2

690V 500V 440V 415V 380V 240V 250V 125V

700

20/15 45/45 120/80 125/85 125/85 150/150 40/40 40/40 ― 2.4 3.2

10 6 4

1000

690 8

Max.

300 400 500

690 8

Percent current rating

q DC

AC

second

Rated insulation voltage〔Ui〕 V Rated impulse withstand voltage 〔U imp〕 kV ■Rated breaking capacity, kA IEC60947-2 AC Icu/Ics(sym)

1 40 30 20


H L : Handle Frame Centre Line

ASL : Arrangement Standard Line

C L : Handle Centre Line

H125-NF,L125-NF

Outline dimensions (mm) 120 97 23

Front-connected Interpole barrier 4P Mounting hole (removable)

CL

3P HL

4P HL

35

35

Mounting hole 98 102 45

CL

102 50

98

63

4

23 30.5

25(max.) max.t7

10(max.)

59

M8 screw

144 165

98

HL

ø9

H L

Drilling plan (front view)

CL

CL

126

100

Preparation of conductor H L

With extension bars (optional)

3P 11.5

3P

CL

22

8

Rear-connected

M4✕0.7 8 Mounting screw

30.5

80 96 103 127

23 35 35 35 140

ø11

4P 3P

80 96 103 107 127

4

M4✕0.7 Mounting screw 8

Drilling plan (front view)

HL

3P HL

ø24

M4✕0.7 Tapped hole

Panel cutout (front view) 4P 3P

4P HL

H 52.5 L

8

20 15

M4✕0.7 Mounting screw

Stud can be turned 45° or 90°

35 35 35

35 35 35

M4✕0.7 35 35 35 35 Tapped hole

50 100 Panel cutout dimensions shown give an allowance of 1.0mm or more around the handle escutcheon.

Note: Studs are factory installed in horizontal direction both on the line and load sides.

Detail of connecting part 15.5 (max.)

27 5

HL

Mounting 4P hole HL

98

98

Conductor width, max.22 24

M8 screw

70

105 35

HL

HL

Drilling plan (front view) 3P HL

22(max.)

52.5

4P HL

CL

C L

22

105

140

ø6

17.5 75 144

108 180

CL

102 50

165 180

200

ø9

4P

35 CL

Preparation of conductor

3P

15

3P

Mounting base (rear view)

15.5(max.)

Plug-in

50 37.5 15 75

8

ø9 15 71 106

1

R

CL

52

CL

Conductor 22 overlap, max

96 103 127

126 144

102 50

CL

144

6

Mounting plate (max. t3.2)

11.5

35 105 140

70 105

8

151 175

105

27 M5✕0.8 Mounting screw

140

M8

15 35

17.5

15 70

Mounting plate

SECTION 8 192


h125nf-l125nf-cat