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NXB-40 Miniature Circuit Breaker

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Category: Electrical Products

Description
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Compliant Standards: IEC/EN60898-1
Certifications: CE, RoHS compliant
Primary Function: Overload and short-circuit protection; positive isolation
Rated Current (In): 6A, 10A, 16A, 20A, 25A, 32A, 40A
Rated Voltage (Ue): AC 230V
Rated Frequency: 50/60Hz
Thermal-Magnetic Release: Type C and Type D curves
Number of Poles: 1P+N
Rated Short-Circuit Breaking Capacity (Icu): 4.5kA
Rated Service Short-Circuit Capacity (Ics): 4.5kA
Rated Impulse Withstand Voltage (Uimp): 4kV
Mechanical Life: 20,000 operations
Electrical Life: 10,000 operations
Power Consumption per Pole:
- 6–10A: 2W
- 16–32A: 3.5W
- 40A: 5W
Terminal Cross-section: 1–10 mm² (Cu wire)
Standard Connection Torque: 1.5 N·m
Maximum Torque: 2.0 N·m
Wire Insertion Depth: 10 mm
Reference Temperature: 30°C
Operating Temperature Range: –35°C to +70°C
Storage Temperature Range: –35°C to +85°C
Rated Altitude: ≤2000 m
Protection Degree:
- Direct Mounting: IP20
- Installed in Distribution Box: IP40
Mounting Type: TH35-7.5 DIN rail mounting
Cable Entry: Top or bottom
Compatible Accessories: AX-X1, AL-X1, SHT-X1, OVT-X1, UVT-X1, OUVT-X1

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