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S9 (Shunt Release for NB1, NBH8, NB1L, NBH8LE)
S9 Accessories (Final Power Distribution)
S9 Accessories (Final Power Distribution) Front
S9 Accessories (Final Power Distribution) Side 1
S9 Accessories (Final Power Distribution) Side 2
S9 Accessories (Final Power Distribution)
S9 Accessories (Final Power Distribution) Front
S9 Accessories (Final Power Distribution) Side 1
S9 Accessories (Final Power Distribution) Side 2

S9 (Shunt Release for NB1, NBH8, NB1L, NBH8LE)

The CHINT S9 Shunt Release is an electrical accessory designed for remote opening of circuit breakers when a control voltage is applied. 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.

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FAQs

 

What is the main purpose of the S9 Shunt Release?

The S9 provides remote control capability for tripping circuit breakers, allowing electrical isolation from a distance for improved operational safety.

 

Which circuit breakers are compatible with the S9?

It is specifically designed for NB1, NBH8, NB1L, and NBH8LE miniature circuit breakers and RCBOs.

 

How is the S9 installed?

It is mounted on the left side of the circuit breaker using a special pin and secured to a DIN rail.

 

What voltage options are available for the S9?

The S9 supports AC/DC 24V, AC/DC 48V, and AC 230/400V (50/60 Hz) control signals for versatile applications.

 

Is the S9 suitable for industrial environments?

Yes. With IP20 protection, a 4 kV impulse withstand voltage, and –25°C to +70°C storage tolerance, it ensures safe and reliable operation in demanding environments.