Page 1

Molded Case Circuit Breakers

Time/Current characteristic curves

Externally mounted

690 8 A

690 8 A

― 10/7.5 15/12 25/19 25/19 35/27 15/12 25/19 ― 1.5 1.5 1.9

4/2 25/13 30/15 40/20 40/20 85/43 25/13 40/20 ― 1.5 1.5 1.9

' ○ ― ○ ― ○ ― ― ― ― ― ― ― ―

' ○ ― ○ ― ○ ― ― ― ― ― ― ― ―

minute

125 150 175 200 225 250

10 6 4 2 1 40 30 20

Max.

10 6 4

Magnetic trip setting 880%–1320%

Min.

2 1 0.6 0.4

Magnetic trip setting 1040%–1560%

0.2 0.1 0.06 0.04 0.02

Ambient Compensating Curves 140

125A

● ● ● ― ● ● ● ● ● ● ●③ ● ●

● ● ● ― ● ● ● ● ● ● ●③ ● ●

Thermal-magnetic Yes (Red) Yes Yes Yes

Thermal-magnetic Yes (Red) Yes Yes Yes

130

Calibrated temperature

250A 175A 225A

120 110 200A

150A 100 90 5

15

25

35

Poles

Shunt trip Auxiliary switch

Alarm switch

3 ・ 4

Toggle

4-8

SH

Left pole Right pole

UV Under voltage trip

AX

AL

45

Ambient temperature (°C)

Combinations of Internally Mounted Accessories(Optional) AL

AX

SH

AX

UV

AL

SH

AL

UV

AX

AX

AL

AL

SH

UV

55

8000

3000 4000 5000

Percent Rated Current

Notes: ' : Standard. This configuration used unless otherwise specified. ○ : Optional standard. Specify when ordering. ● : “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)

AX

1500 2000

700

0.01 0.005

1000

■Rated short time withstand current, kA Weight (' marked standard type) kg ■Connections and Mountings Front-connected (FC) Terminal screws With straight extension bars With spread extension bars Cable clamps Rear-connected (RC) Bolt studs Flat bar studs Plug-in (PM) For switchboards Standard (PMC) High-performance (PMB) For distribution boards (PMC) Draw-out type (DR) TemPlug70 (PG) TemPlug45B (PG4) 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 Toggle holder HH Toggle lock HL Terminal cover For front-connected CF For rear-connected and plug-in CR For cable clamps CS 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 CE marking

125 150 175 200 225 250

300 400 500

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

1 40 30 20

4

Percent current rating

① DC

AC

2* 3

Tripping Time

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

4

3 2

200

2* 3

S250-SF

second

E250-SF

hour

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

(250A Frame)

E250-SF, S250-SF

100 125

4

Characteristics and Outline Dimensions


H L : Handle Frame Centre Line

ASL : Arrangement Standard Line

C L : Handle Centre Line

E250-SF, S250-SF

Outline dimensions (mm)

23

24

35

Conductor overlap, max

35

23

Conductor overlap, max 35

35

30.5

3P

4P

HL

HL

35

35

C L

C L

126

C L

50

102

C L

144 165

98 50

98

28 4

19

101 HL

M8 screw

35

Mounting hole

4P HL

19

HL

Mounting hole

Interpole barrier (removable)

3P HL

Drilling plan (front view)

11.5

25(max.) max.t7

11.5

4P Interpole barrier (removable)

With extension bars (optional)

30.5

3P

ø9

Preparation of conductor

11(max.)

Front-connected

C L

7 23 23 97 120

ø11

M4✕0.7 Mounting screw

6.8 48.5

ø11

48.5 169

23 48.5

11.5

10.5 95

23 30.5

46 60 68

35 105 140

11.5

70 105

23 30.5

22

M4✕0.7 Tapped hole

Note: For the extension bars, Straight bars or Spread bars can be supplied.

Rear-connected Drilling plan (front view) 4P

Mounting plate (max. t3.2)

3P

3P HL

4P ø24

HL

HL

52.5

4P 3P HL

4

6 13 72 107

16

52

C L

Stud can be turned 45° or 90°

M4✕0.7 Mounting screw 35

35

35

35 35

M4✕0.7 Tapped hole

35 35

35

35

35

50 100

Panel cutout dimensions shown give an allowance of 1.0mm around the handle escutcheon.

Characteristics and Outline Dimensions

60 68

126 144

7

C L

R1

ø9 20

Conductor overlap, max 25 22

144

C L

9

50

102

6

Detail of connecting part

Panel cutout (front view)

4-9

e250sf-25ka-s250sf-40ka-mccb-catalog  
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