Shop for CHINT NXB-63G Moulded Case Circuit Breaker (MCCB)

CHINT NXB-63G Moulded Case Circuit Breaker (MCCB),
is designe for reliable overload and short-circuit protection in low-voltage distribution systems.
Built to comply with IEC/EN 60947-2, it features rated currents from 1A to 63A, breaking capacity of 6kA,
and instantaneous trip settings of 10In and 14.2In. Compact, durable,
and precise, the NXB-63G ensures safe circuit isolation and is ideal for residential,
commercial, and light industrial applications.

Compliance: IEC/EN 60947-2, VC8036, SANS 556-1, SANS 60947-2
Certifications: CE, CB, LoA, RoHS
Function: Overload protection, short-circuit protection, and positive isolation
Rated Current (In): 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
Rated Voltage (Ue):
- 230/240V~ (1P)
- 400/415V~ (2P, 3P, 4P)
Frequency: 50/60Hz
Number of Poles: 1P, 2P, 3P, 4P
Instantaneous Short-circuit Current Settings: 10In, 14.2In
Rated Ultimate Short-circuit Breaking Capacity (Icu): 6kA
Service Short-circuit Breaking Capacity (Ics): 6kA
Rated Insulation Voltage (Ui): 500V
Rated Impulse Withstand Voltage (Uimp): 4kV
Mechanical Life: 20,000 operations
Electrical Life: 10,000 operations
Reference Temperature for Thermal Element: 40°C
Temperature Derating:
- 1.0×In at 40°C (reference)
- Derates to 0.96×In at 50°C, 0.91×In at 60°C
Power Consumption per Pole:
- 1–10A: 3W
- 16A: 3.5W
- 20–25A: 4.5W
- 32A: 6W
- 40A: 7.5W
- 50A: 9W
- 63A: 13W
Mounting: TH35-7.5 DIN rail
Protection Degree:
- IP20 (direct mount)
- IP40 (in distribution box)
Applicable Altitude: ≤2000m
Operating Temperature: −35°C to +70°C
Storage Temperature: −35°C to +85°C
Connection Type: Top or bottom entry
Terminal Capacity:
- 1–6A: 1–10mm²
- 10–25A: 2–25mm²
- 32–63A: up to 25mm²
Tightening Torque: 2 N·m (max 2.5 N·m)
Accessories: AX-X1, AL-X1, SHT-X1, OVT-X1, UVT-X1, OUVT-X1

CHINT NXB-63G Moulded Case Circuit Breaker (MCCB)

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CHINT NXB-63G Moulded Case Circuit Breaker (MCCB)

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