CHINT S9 (Shunt Release for NB1 NBH8 NB1L NBH8LE),
is an electrical accessory designe for remote opening of circuit breakers when a control voltage is applie.
Compatible with NB1, NBH8, NB1L, and NBH8LE series MCBs/RCBOs,
it enables efficient remote tripping for enhanced safety and automation.
Mounted easily on the left side of the breaker using a dedicated pin,
the S9 ensures reliable operation across wide voltage options and harsh environments,
meeting IEC/EN 60947-5-1 standards for industrial and residential power systems.
- Function: Enables remote tripping of circuit breakers when control voltage is applied
- Applicable Devices: NB1, NBH8, NB1L, NBH8LE series MCBs/RCBOs
- Mounting Position: Left side of circuit breaker using special mounting pin
- Standards Compliance: IEC/EN 60947-5-1
- Rated Operating Voltage (Us):
- AC/DC 24V
- AC/DC 48V
- AC 230V / 400V (50/60 Hz)
- Insulation Voltage (Ui): 500V
- Rated Impulse Withstand Voltage (Uimp): 4 kV
- Dielectric Strength: 2 kV for 1 min at industrial frequency
- Pollution Degree: 2
- Electrical Life: 4,000 operations
- Mechanical Life: 4,000 operations
- Protection Degree: IP20
- Ambient Operating Temperature: –5°C to +40°C (daily average ≤35°C)
- Storage Temperature: –25°C to +70°C
- Terminal Connection Type: Cable
- Terminal Size (top/bottom): 2.5 mm² (AWG 18–14)
- Tightening Torque: 0.8 N·m (7 in·lbs)
- Mounting Type: DIN-rail installation
- Overall Dimensions (mm):
- Height: 82
- Width: 18
- Depth: 49.5
- Mounting hole spacing: 45 mm
