Over/Under Voltage Protector 30A-100A 230V DIN Rail
Walax over/under voltage protector spanning 30A to 100A for 230V systems. Adjustable protection relay on DIN rail for circuits from small appliance groups to full incoming supplies.
- Factory-direct pricing · OEM/ODM branding · IEC/CE compliance
- Wholesale & project supply to Africa, SE Asia & the Middle East
30–100A Range
One family covers everything from appliance groups to whole-house incoming protection.
Adjustable Relay
Precise over/under voltage thresholds with configurable re-connect delay.
DIN-Rail Mount
Standard 35mm DIN-rail installation in any distribution board.
Technical Specifications
Standard ratings listed below – custom configurations available on request. Contact our engineers to confirm parameters for your market.




| Standard | IEC 60947-5-1 · CE |
| Rated current (In) | 30A – 100A |
| Rated voltage | AC 230V (50/60Hz) |
| Over-voltage threshold | Adjustable |
| Under-voltage threshold | Adjustable |
| Re-connect delay | Adjustable |
| Mounting | 35mm DIN rail |
| Ambient temperature | -5°C to +40°C |
Where These Relays Install
Residential and light-commercial distribution where supply voltage fluctuates. Select the rating to match the protected circuit, from 30A appliance feeds to 100A main incomers.
Frequently Asked Questions
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