NDB1-125 Series AC/DC MCB, Nader

Rated voltage (Ue)

AC230/240(1P), AC400/415 (2P、3P、4P), DC60/80 (1P), DC80/125 (2P)

Rated current (In)

50A, 63A, 80A, 100A, 125A

Tripping Characteristic

C：8 (1±20%)In, D：12 (1±20%)In

Tripping curve

C Curve, D Curve

Rated breaking capacity (Icn)

CCC、CB、CE、TUV：10kA, UL1077: 5kA: U1; 10kA: U2

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

CCC、CB、CE、TUV：10kA, UL1077: 5kA: U1; 10kA: U2

Rated Service Short-Circuit Breaking Capacity (Ics)

CCC、CB、CE、TUV：7.5kA, UL1077: 5kA: U1; 10kA: U2

Number of Poles

1P、2P、3P、4P

Standards and Certificates

·CCC、CB、CE、TUV、UL1077 (D125 has no UL1077 certification)

·GB/T 14048.2, IEC 60947-2

Environmental Requirements

RoHS

Rated Insulation Voltage

500V

Rated Impulse Withstand Voltage

4kV

Rated Frequency

50/60Hz

Wiring

·Adopt tunnel type wiring

·Connection capability: 10mm² to 50 mm²

·Connection screw M7,Twisting moment 3.5N.m

Mechanical Life

15000 times

Electrical Life

6000 times

Working Condition

·Ambient temperature: －40℃~＋70℃

·Storage temperature: －40℃~+80℃

·Relative air humidity≤95%

·Altitude: ≤2000m

·Pollution degree: 3

·Used in place without obvious shock and vibration

·Protection Degree: IP20

Isolation function

·Indication of real breaking

·Green color in the indication window indicates the contacts are open.