CHINT XF9J Alarm Auxiliary Contact,
is a specialize signaling accessory for CHINT NB1, NBH8, NB1L,
and NBH8LE series miniature circuit breakers and RCBOs.
Designe to indicate the trip status after automatic release due to overload or short-circuit faults,
it ensures accurate fault feedback in power protection systems.
With a rated insulation voltage of 500V, mechanical life of 10,000 operations,
and IP20 protection, the XF9J guarantees reliable monitoring performance in residential, commercial, and industrial installations.
- Function: Provides visual and remote signal indication after MCB/RCBO trips due to overload or short circuit
- Applicable Devices: NB1, NBH8, NB1L, NBH8LE series miniature circuit breakers and RCBOs
- Contact Configuration: 1 N/O + 1 N/C (one normally open, one normally closed)
- Rated Operating Voltage (Un):
- AC 415V 50/60Hz – 3A
- AC 240V 50/60Hz – 6A
- DC-130V – 1A
- DC-48V – 2A
- DC-24V – 6A
- Rated Insulation Voltage (Ui): 500V
- Rated Impulse Withstand Voltage (Uimp): 4kV (1.2/50 μs)
- Dielectric Test Voltage: 6050V for 1 min
- Electrical Life: ≥4,000 operations
- Mechanical Life: ≥10,000 operations
- Pollution Degree: 2
- Ambient Temperature: −5°C to +40°C (daily 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
- Installation Position: Left side of MCB/RCBO, fixed with dedicated pin interface
- Mounting Dimensions (mm):
- Height: 82 ± 0.19
- Width: 45 ± 0.31
- Depth: 49.5 ± 0.31
- Mounting hole spacing: 77 ± 1.2
- Standard Compliance: IEC/EN 60947-5-1
