CHINT OUVT-X1 Over and Under Voltage Release for NXB-63 / NXB-40 MCB Accessories CHINT OUVT-X1 Over and Under Voltage Release for NXB-63 / NXB-40 MCB Accessories
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CHINT OUVT-X1 Over and Under Voltage Release for NXB-63 / NXB-40 MCB Accessories CHINT OUVT-X1 Over and Under Voltage Release for NXB-63 / NXB-40 MCB Accessories
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CHINT OUVT-X1 Over and Under Voltage Release for NXB-63 / NXB-40 MCB Accessories

Brand Name: CHINT
Product Type: Over / Under Voltage Release
Model: OUVT-X1
Compatible Series: NXB-63 and NXB-40
Application: Low-voltage breaker accessory for panel and distribution systems
Category: Chint MCB

Where to Use Chint Over/Under Voltage Protector?

The CHINT OUVT-X1 Over and Under Voltage Release for NXB-63 / NXB-40 MCB Accessories is a self-recovery overvoltage and undervoltage protector designed to protect household appliances and electrical equipment from damage caused by abnormal grid voltages. When voltage exceeds safe limits (typically >275V or <160V), the device automatically disconnects power and reconnects when normal voltage returns.

Why You Need Voltage Protection

  • Overvoltage Protection - Prevents damage to appliances from high voltage (common after power restoration)
  • Undervoltage Protection - Prevents motor burnout from low voltage/brownouts
  • Automatic Recovery - Self-resetting when voltage returns to normal, no manual intervention
  • Delay Function - Prevents rapid on/off cycling during voltage fluctuations

Technical Specifications

ModelChint
Rated Current32A - 80A
Overvoltage Cutoff275V AC (typical) - Adjustable on some models
Undervoltage Cutoff160V AC (typical)
Recovery Delay30-60 seconds (prevents rapid cycling)

Installation Location

Install the Chint at the main incoming position of the distribution board, downstream of the main breaker. This provides whole-house protection. The device mounts on standard 35mm DIN rail alongside MCBs.

  • Description
Description

CHINT OUVT-X1 is an original CHINT breaker accessory designed for NXB-63 and NXB-40 miniature circuit breaker applications. It is suitable for low-voltage power distribution panels, switchboards and OEM assemblies that require reliable accessory functions and clean panel integration.

1. Product overview

The OUVT-X1 is used as a CHINT MCB accessory for final power distribution applications. It is designed for compact assembly with compatible breakers and is suitable for industrial panels, commercial electrical systems and project purchasing requirements.

2. Main features

  • Original CHINT OUVT-X1 accessory
  • Product type: Over / Under Voltage Release
  • Compatible with NXB-63 and NXB-40 breaker series
  • Compact design for panel assembly
  • Suitable for low-voltage distribution and OEM applications
  • Designed for practical integration with CHINT breaker systems

3. Technical and application notes

Please confirm the compatible breaker series, target voltage system, installation method and project requirement before ordering. If your project needs exact matching with CHINT NXB accessories, we can help confirm the correct model based on your breaker type and market requirement.

4. Typical applications

  • Final power distribution panels
  • Commercial electrical switchboards
  • Industrial control cabinets
  • OEM panel assemblies
  • Wholesale and project procurement

5. Ordering support

If you need help confirming compatibility, send us the breaker model, pole configuration and application target. We can help recommend the correct CHINT accessory model for your order.

6. Product catalog

OUVT-X1 catalog page 1

OUVT-X1 catalog page 2

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