CHINT Low-voltage Brief Catalogue

Low-voltage Brief Catalogue

MCCB

013

014

P -

DZ158

NXB-125

1. General

• Compliant standards: IEC/EN60947-2 • Rated current: 63A, 80A, 100A(1P, 2P, 3P, 4P), 125A(1P, 2P) • Rated voltage: 230V ~ (1P), 400V ~ (2P, 3P, 4P) • Frequency: 50/60Hz • Electromagnetic release type:C: 8In, D:12In • Number of poles: 1P, 2P, 3P, 4P • Mechanical life: 20000 cycles • Electrical life: 6000 cycles (In ≤ 100A); 4000 cycles (In>100A) • Rated short-circuit breaking capacity(Icu): 10kA

• Short circuit protection • Overload protection • Switch • Isolation • Contact position indicator

NXB-125

2. Technical features

• Short-circuit breaking capacity(Ics): 7.5kA • Rated impulse withstand voltage(Uimp): 4kV

Standard

IEC/EN 60947-2

DZ158

Rated current In

A 63 、 80 、 100 、 125

Poles

1P, 2P, 3P, 4P

Rated voltage Ue Rated frequency

V 230/400~240/415

Hz 50

Rated breaking capacity

kA 6/10 V 4000

Rated impulse withstand voltage (1.2/50) Uimp Thermo-magnetic release characteristic

(8-12)In

Electrical life

1,500(In=63A, 80A, 100A) 1,000(In=125A) 8,500(In=63A, 80A, 100A) 7,000(In=125A) On DIN rail EN 60715 (35mm) by means of fast clip device

Mechanical life

Mounting

Connection

From top and bottom

3. Curve

t(s) 10000 8000 1h (or 2h)

2000 1000

500 200 100

50 30 20

10 5 2 1

0.5 0.2

0.1 0.05 0.02 0.01

0.005 0.002 0.001

0.51 1.3 24 58 32

03 05 07 0 100

I/In