CHINT · Overvoltage release
Product overview
The CHINT OVT-X1 is an overvoltage release accessory for the documented NXB-63 / NXB-40 breaker assembly.
Technical selection summary
| Exact model | OVT-X1 |
|---|---|
| Matched breaker reference | NXB-63 / NXB-40; verify revision and attachment arrangement |
| Rated operation voltage | AC 240 V, 50/60 Hz |
| Insulation voltage Ui | 500 V in the manufacturer reference |
| Trip setting | 280 V ±5% manufacturer reference |
| Normal-voltage range | 85–110% Ue |
| Operating life | ≥4000 cycles |
| Mounting | Assembled with the matched breaker on TH35-7.5 rail; follow the manufacturer installation diagram |
This release operates through the matched breaker; it is not an independent voltage regulator. The table uses the catalogue AC 240 V rating; confirm the actual supplied nameplate and breaker revision before ordering.
Typical applications
- Distribution and control assemblies matched to the specified device
- Replacement procurement using the complete CHINT model
Specify your enquiry
For a focused quotation, include:
- Exact accessory and breaker code, poles and quantity
- Signal/control voltage, terminal diagram and required documents
Product reference images and drawings
Use the applicable manufacturer model row, connection and outline drawing. Retained family references may show other versions.
