Name: NB1-63H Miniature Circuit Breaker
Brand: Chint

NB1-63H Miniature Circuit Breaker

The NB1-63H Miniature Circuit Breaker (MCB) delivers superior overload and short-circuit protection with enhanced safety features, designed for circuits requiring higher breaking capacity. Compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, this MCB is an ideal solution for reliable power distribution in demanding residential, commercial, and industrial electrical installations where heightened fault protection is crucial.

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What is the primary function of the NB1-63H Miniature Circuit Breaker?

The NB1-63H MCB is designed to protect electrical circuits from overload and short-circuit faults, ensuring safety and operational reliability in low-voltage AC networks.

What makes the NB1-63H suitable for heavy-duty applications?

It offers a 10 kA breaking capacity and Type B, C, and D tripping curves, making it ideal for both residential and industrial use where different load types exist.

How is it installed and connected?

The NB1-63H supports top or bottom feed connections and mounts easily on a DIN rail (EN 60715), with terminals compatible with both cables and busbars.

What environmental conditions can it withstand?

It operates efficiently from −25 °C to +70 °C, up to 2000 m altitude, and provides IP20 protection, ensuring safety in various climates and installations.

What accessories are compatible with the NB1-63H?

Optional accessories include shunt trip, under-voltage release, alarm, and auxiliary contacts, expanding its control and monitoring capabilities.

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NB1-63H Miniature Circuit Breaker

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NB1-63H Miniature Circuit Breaker

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