Name: NXBLE-63 Residual Current Operated Circuit Breaker (RCBO)
Brand: Chint

NXBLE-63 Residual Current Operated Circuit Breaker (RCBO)

The NXBLE-63 Residual Current Operated Circuit Breaker (RCBO) combines residual current, overload, and short-circuit protection in one compact unit. Designed for AC 50/60Hz systems up to 240/415V, it ensures reliable personal and equipment safety by detecting earth leakage faults while maintaining circuit continuity. With rated currents from 6A to 63A, B and C tripping curves, and breaking capacity up to 6kA, the NXBLE-63 offers enhanced electrical protection and complies with IEC/EN 61009-1 standards for residential, commercial, and industrial power systems.

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FAQs

What does the NXBLE-63 RCBO protect against?

The NXBLE-63 provides comprehensive protection by combining the functions of an MCB (overload/short-circuit) and an RCCB (earth leakage protection) in a single device.

In what applications can the NXBLE-63 be used?

It is suitable for residential, commercial, and industrial installations, including power distribution panels, lighting systems, and equipment requiring leakage protection.

How do the B and C tripping curves differ?

B Curve (3–5 In): For resistive loads like lighting or heating.

C Curve (5–10 In): For inductive loads such as motors or compressors.

What are the rated residual operating current options?

Available in 30mA, 100mA, and 300mA, offering tailored protection levels — from personal safety (30mA) to equipment and fire prevention (300mA).

How long is its operational lifespan?

The NXBLE-63 is engineered for over 20,000 mechanical and 4,000 electrical operations, ensuring long-lasting performance and minimal maintenance.

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NXBLE-63 Residual Current Operated Circuit Breaker (RCBO)

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