Voltage Protection

DIN Rail Voltage Relay 63A Adjustable Over/Under Protector

Walax 63A DIN-rail voltage relay with LED display and adjustable over/under-voltage thresholds. Protects appliances and equipment from brownouts and overvoltage by disconnecting the load outside set limits.

63A Capacity

Protects whole single-phase circuits up to 63A.

LED Live Display

Shows the real-time voltage for easy monitoring and setting.

Adjustable Limits

Independent over and under thresholds tuned to your appliance sensitivity.

Specifications

Technical Specifications

Standard ratings listed below – custom configurations available on request. Contact our engineers to confirm parameters for your market.

StandardIEC 60947-5-1 · CE
Rated current (In)63A
Rated voltageAC 230V (50/60Hz)
Over-voltage thresholdAdjustable (240–300V)
Under-voltage thresholdAdjustable (140–210V)
DisplayLED (live voltage)
Re-connect delayAdjustable
Mounting35mm DIN rail
Ambient temperature-5°C to +40°C
Applications

Where These Relays Install

Residential distribution boards protecting refrigerators, air-conditioners, TVs and electronics from unstable grid voltage. Common in regions with frequent brownouts and surges.

FAQ

Frequently Asked Questions

It disconnects the load when voltage rises above or falls below your set thresholds, protecting appliances from overvoltage and brownout damage.
Yes – both over and under voltage thresholds are adjustable, with a configurable re-connect delay.
Yes – an LED display shows the live voltage and helps you set thresholds.
Standard 35mm DIN rail.
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