Name: NXB-125 Moulded Case Circuit Breaker
Brand: Chint

NXB-125 Moulded Case Circuit Breaker

The NXB-125 Moulded Case Circuit Breaker (MCCB) by CHINT offers advanced overload, short-circuit, and isolation protection for both AC and DC applications. Built to IEC/EN 60947-2 standards, it provides reliable performance across 230/400V AC and up to 220V DC systems. With rated currents from 63A to 125A, breaking capacity up to 20kA, and C or D tripping curves, the NXB-125 ensures efficient circuit protection and long service life for residential, commercial, and industrial environments.

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FAQs

What is the purpose of the OUVR-2 Self-recovery Overvoltage and Undervoltage Protector?

It safeguards equipment by disconnecting power during unsafe voltage conditions (over or under) and automatically restoring it once the voltage stabilizes, ensuring continuous and safe operation.

Where is the OUVR-2 typically used?

It’s ideal for household distribution boxes, small commercial systems, or industrial control panels requiring stable power supply and unattended recovery.

How does the LED indication system work?

The green LED signals normal voltage, while the red LED lights up during overvoltage or undervoltage events, providing a quick status overview.

How long does it take to recover after a voltage fault?

The device reconnects automatically after 30 ±10 seconds once the voltage returns to the safe range (196V–253V).

What makes the OUVR-2 reliable?

Its inverse time-lag operation (<1s), 50,000-cycle lifespan, and 4kV surge withstand capability make it a durable, low-maintenance choice for reliable power protection.

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NXB-125 Moulded Case Circuit Breaker

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