Name: OUVT-X1 Over-under Voltage Release
Brand: Chint

OUVT-X1 Over-under Voltage Release

The OUVT-X1 Over/Under Voltage Release is a protective accessory designed for NXB-63 series circuit breakers, providing precise control against voltage fluctuations. It automatically trips the breaker when the voltage exceeds or falls below safe operating limits, preventing damage to electrical equipment. With a rated operating voltage of 240V AC (50Hz) and a mechanical life exceeding 4000 cycles, the OUVT-X1 ensures stable and reliable protection for residential, commercial, and light industrial power systems.

Need Support From Us?

Blog

Find expert perspectives on the trends and technologies driving your business.

View Now

Download Center

Download new and previously released documents including product document, solutions, cases, coporate report.

View Now

Reach out to us to receive more information, technical support, assistance with complaints and more.

Collapsed

Expand

FAQs

What is the main function of the OUVT-X1?

It provides automatic protection against dangerous voltage fluctuations by disconnecting the circuit breaker during over-voltage or under-voltage conditions, ensuring equipment safety.

Which circuit breakers is it compatible with?

The OUVT-X1 is designed for CHINT’s NXB-63 series circuit breakers, easily attaching to the left side of the unit for fast installation.

How does it determine trip conditions?

Trips when voltage drops below 35% Ue or exceeds 105% of the 280V over-voltage setting.

Allows breaker closure only within safe limits (85%–95% of rated voltage).

How is the OUVT-X1 installed?

It is mounted on a TH35-7.5 DIN rail, connecting directly to the NXB-63 circuit breaker. Installation is quick and requires minimal wiring adjustments.

What is its service life?

The unit has a mechanical and electrical life of over 4000 cycles, ensuring reliable long-term performance under normal and fault conditions.

Please enter keywords to search

Choose your country & Language

Asia Pacific

Middle East & Africa

Europe

North America

Latin America

Choose your country & Language

Please enter keywords to search

OUVT-X1 Over-under Voltage Release

Product Information

Need Support From Us?

FAQs

OUVT-X1 Over-under Voltage Release

Product Information

Related Products

Need Support From Us?

FAQs