NB1-63H/2 Miniature Circuit Breaker

The CHINT NB1-63H/2 Miniature Circuit Breaker (MCB) provides dependable protection for circuits against overloads and short-circuits in residential, commercial, and industrial installations. Designed for AC 230/400 V systems up to 63 A, it ensures safe circuit isolation and switching. With 10 kA breaking capacity, B/C/D tripping characteristics, and compliance with IEC/EN 60947 standards, the NB1-63H/2 guarantees reliable performance, easy DIN-rail installation, and long mechanical life for modern electrical distribution systems

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FAQs

What is the main purpose of the NB1-63H/2 Miniature Circuit Breaker?

It protects electrical circuits from overload and short-circuit currents, ensuring safety and reliability in residential, commercial, and light industrial applications.

What voltage and current ranges does it support?

The NB1-63H/2 operates at AC 230/400~240/415 V and supports rated currents from 1 A to 63 A, with up to 10 kA breaking capacity.

What tripping characteristics are available?

It is available in B, C, and D curves, offering flexibility for various load conditions — from resistive to inductive circuits.

Can it be used for DC applications?

Yes, certain models are rated for DC operation up to 220 V, suitable for specialized installations such as solar and telecom systems.

What installation methods are supported?

It mounts easily on a DIN rail (EN 60715) and supports both top and bottom feed connections for maximum flexibility in panel design.

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NB1-63H/2 Miniature Circuit Breaker

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NB1-63H/2 Miniature Circuit Breaker

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