Name: OUVT-1 Over/under voltage release
Brand: Chint

OUVT-1 Over/under voltage release

The OUVT-1 Over/Under Voltage Release is designed to provide voltage protection when assembled with CHINT NB1-63 series circuit breakers. It automatically trips the breaker when the supply voltage exceeds or falls below safe operating limits, safeguarding electrical equipment from voltage fluctuations. Operating at AC 240V, 50Hz, and with a mechanical and electrical life of over 4000 cycles, the OUVT-1 ensures stable performance and reliable protection for residential and commercial electrical systems.

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FAQs

What is the primary function of the OUVT-1 Over/Under Voltage Release?

The OUVT-1 automatically trips the circuit breaker when voltage levels rise above or drop below safe limits, preventing equipment damage due to overvoltage or undervoltage conditions.

Which circuit breakers can the OUVT-1 be used with?

It is specifically designed for CHINT NB1-63 series circuit breakers, offering seamless assembly and consistent performance.

How does it respond to voltage fluctuations?

The OUVT-1 trips the breaker if the voltage falls below 35% of the rated value or exceeds 105% of the overvoltage setting, ensuring rapid disconnection under abnormal voltage conditions.

What is its lifespan and reliability?

The device is rated for over 4000 mechanical and electrical operations, including repeated overvoltage and undervoltage trips, ensuring dependable long-term operation.

Is installation straightforward?

Yes. Simply remove the left cover of the NB1-63 breaker, attach the OUVT-1 module, and mount it on a TH35-7.5 steel DIN rail — no special tools or rewiring required.

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OUVT-1 Over/under voltage release

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