Name: NB1-63H/2 Miniature Circuit Breaker
Brand: Chint

NB1-63H/2 Miniature Circuit Breaker

The NB1-63H/2 Miniature Circuit Breaker is a versatile and essential device designed for comprehensive short-circuit and overload protection in both AC and DC electrical systems. It efficiently handles switching and isolation functions, supporting rated operational voltages up to 220V DC (with specific breaking capacities for DC) and high breaking capacities for AC. This robust MCB is ideal for ensuring electrical safety and reliable power distribution across domestic, commercial, and industrial electrical systems, offering broad applicability and enhanced circuit safeguarding.

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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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