YCB7-125N MCB Miniature circuit breaker

Type

Test current

Tripping time

Expected result

C,D

1.05In

t≤1h(In≤63A),t≤2h(In≤63A)

Not tripping

C,D

1.3In

t≤1h(In≤63A),t≤2h(In≤63A)

Tripping

C,D

2.55In

1s<t<60s

Tripping

C

8In ×80%

t≤0.2s

Not tripping

D

12In ×80%

t≤0.2s

Not tripping

C

8In × 120%

t<0.2s

Tripping

D

12In × 120%

t<0.2s

Tripping

Type

Standard

IEC/EN 60947-2

Electrical features

Rated current In

A

63, 80, 100, 125

Poles

P

1, 2, 3, 4

Rated voltage Ue

V

230/400

Insulation voltage Ui

V

500

Rated frequency

Hz

50/60

Rated breaking capacity

A

6000

Rated impulse withstand voltage(1.2/50) Uimp

V

6000

Dielectric test voltage at ind. Freq. for 1min

kV

2.5

Pollution degree

3

Thermo-magnetic release characteristic

(C)Ii=8In,(D)Ii=12In

Mechanical features

Electrical life

t

1500

Mechanical life

t

10000

Contact position indicator

Yes

Protection degree

IP20

Reference temperature for setting of thermal element

30

Ambient temperature

(with daily average ≤35℃)

℃

-5~+40(Special application please refer to temperature compensation correction)

Storage temperature

℃

-25~+70

Installation

Terminal connection type

℃

Cable/Pin-type busbar

Terminal size top / bottom for cable

mm²

50

AWG

18-1/0

Terminal size top / bottom for busbar

mm²

50

AWG

18-1/0

Tightening torque

N*m

3.5

In-Ibs

31

Mounting

On DIN rail EN60715(35mm)by means of fast clip device

Connection

From top and bottom