Scope of Application
The main switch used in terminal combination appliances is suitable for distribution and control circuits with AC 50/60Hz and rated voltage of 400V and below. It can also be widely used in industrial and mining enterprises, high-rise buildings, commercial and household places.
Technical Specifications
Reliable contact indication
Execution standards: IEC60947-3 and GB14048.3
Mechanical lifespan: I=20-30A: 30000 cycles
I=63A: 20000 times
I=100A: 100000 times
electrical life
Ac22 p.f.=0.6
I=20-30A: 30000 times
I=63A: 20000 times
I=100A: 100000 times
Rated short-time withstand current
12le power on time 1 second
Moisture and heat resistance: Class 2
At 55 ℃, the relative humidity is 95%
Wiring: Using clamp terminal blocks, it can connect cables. Cross section:
10mm2 (for NJD4-100 isolating switches with 20A and 30A)
50mm2 (for NJD4-100 isolating switches of 63A and 100A)
Model and meaning

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