Miniature Circuit Breakers L7 1P(new type)

Number of poles

1P,2P,3P,4P

Rated current(In)

A

1,2,3,4,5,6,8,10,12,16,20,25,32,40,50,63

Rated operating voltage (Ue)

V

230/400V~

Rated frequency

Hz

50/60Hz

Insulation voltage(Ui)

V

500

Rated withstand impulse voltage (Uimp)

kV

4.5/6/10

Main circuit dielectric strength (1 min 
power-frequency withstand voltage test)

kV

2

Protection degree

IP20

Instantaneous tripping type

B C D (According to GB10963.1 IEC/EN60898-1)

Instantaneous tripping type

K (According to GB14048.2 IEC/EN60947-2)

Electric life

times

6000

Mechanical life

times

10000

Rated short-circuit breaking capacity (Icn)

kV

6 or 10 (According to GB10963.1 IEC/EN60898-1)

Rated ultimate short-circuit breaking capacity (lcu)

kV

10

Position indicator of main contact

√

Standard operation condition Protection degree

2

Standard operation condition  Ambient temperature

-5℃~+40℃ and its average over aperiod of 24h does not  exceed +35℃

Standard operation condition Storage temperature

-25℃to+55℃,for short periods not exceeding 24h,up to +70℃

Standard operation condition Altitude

m

≤2000

Terminal connection types

type cable,type U bus,type bus

Wiring terminal connection conductor

mm2

1～25

Wiring terminal copper size

mm2

25

Tightening torque

N*m

1.5～2.5

Installation mode

using TH35-7.5 profile steel installation rail, the tilt of
installation face and vertical face is not greater than 5°

Line  coming mode

upper and lower incoming is possible