CHINT XF9 Auxiliary Contact,
is designe to provide status indication and signal feedback for CHINT miniature circuit breakers and RCBOs,
including NB1, NBH8, NB1L, and NBH8LE series. Installe on the left side of the device via a special pin,
it ensures accurate contact position indication and reliable electrical performance.
With a rated insulation voltage of 500V, mechanical life exceeding 10,000 cycles,
and IP20 protection, the XF9 delivers dependable operation in residential, commercial, and industrial control systems.
- Function: Indicates ON/OFF or tripped status of the connected circuit breaker
- Compatible Devices: NB1, NBH8, NB1L, NBH8LE series MCBs and RCBOs
- Contact Configuration: 1 N/O + 1 N/C (one normally open, one normally closed)
- Rated Insulation Voltage (Ui): 500V
- Rated Impulse Withstand Voltage (Uimp): 4kV (1.2/50 μs)
- Rated Operating Voltage and Current:
- AC 415V (50/60Hz): 3A
- AC 240V (50/60Hz): 6A
- DC 130V: 1A
- DC 48V: 2A
- DC 24V: 6A
- Utilization Category: AC-12, DC-12
- Electrical Life: ≥4,000 operations
- Mechanical Life: ≥10,000 operations
- Pollution Degree: Class 2
- Ambient Temperature: −5°C to +40°C (average ≤35°C）
- Storage Temperature: −25°C to +70°C
- Terminal Connection Type: Cable connection
- Terminal Capacity: 2.5 mm² (18–14 AWG)
- Tightening Torque: 0.8 N·m (7 in-lbs)
- Protection Degree: IP20
- Mounting Position: Left side of MCB/RCBO
- Standards Compliance: IEC/EN 60947-5-1
- Dimensions (mm):
- Height: 82 ± 0.19
- Width: 45 ± 0.31
- Depth: 49.5 ± 0.31
- Mounting hole spacing: 77 ± 1.2
