MCB Over / Under Voltage Release, 230V & 380V | Onesto KC10-P Accessory

These Onesto KC10-P voltage releases trip the MCB when the supply voltage goes above or below a set threshold. Overvoltage, undervoltage and combined over/under versions are available for single-phase 230VAC, with a three-phase 380VAC combined version. They suit electricians and panel builders adding voltage protection to a distribution board.

• Application: Trips the MCB on an overvoltage and/or undervoltage condition
• Compatibility: Onesto KC10-P series accessories
• Voltage: 230VAC single phase or 380VAC three phase (DVR3)
• Versions: OVR, UVR, DVR1 and DVR3

Key Features

• Separate overvoltage and undervoltage versions for single-phase supplies
• Combined over/under version for single phase (DVR1) and three phase (DVR3)
• Works with the MCB it is fitted to, so the circuit is disconnected when the threshold is reached

Typical Applications

• Protection of sensitive equipment from supply voltage faults
• Pump and motor circuits
• Domestic, commercial or light industrial distribution boards

Technical Specifications

What’s Included

• 1 x Onesto voltage release in the selected version

Please note: Installation fittings, electrical protection, cartridges, control boxes, cables, unions, brackets, or accessories are not included unless specifically listed above. The circuit breaker is sold separately.

Installation & Compatibility Notes

• Confirm whether your supply is single phase (230V) or three phase (380V) before ordering.
• Confirm your breaker is from the Onesto KC10-P series.
• Installation must be carried out by a suitably qualified electrician in accordance with local electrical regulations, with the supply isolated.

Warranty & Support

This product is supplied with the applicable manufacturer or supplier warranty, subject to correct installation, correct application, and warranty terms. Zisabo supplies quality plumbing, pump, filtration and electrical products with practical support to help customers choose the correct item for their application. If you are unsure whether this product is suitable, contact us before ordering and our team will assist where possible.

Need help choosing? If you are unsure which release suits your supply, contact Zisabo with your supply voltage and breaker model and we will assist where possible.