{"product_id":"under-over-voltage-relay-phase-failure-phase-sequence","title":"Under\/Over Voltage Relay 400V Phase Failure Monitoring","description":"\u003cp\u003eThis compact under\/over voltage relay monitors 400V three-phase systems for voltage fluctuations and phase failure, protecting electrical equipment from damage due to abnormal supply conditions. It features adjustable thresholds (75–95% for under-voltage, 105–125% for over-voltage), SPDT contact output, and a time-delay range of 0.2–10 seconds, with DIN rail mounting on a single EN 50 022 module. Ideal for electrical contractors, facilities managers, and industrial installations requiring automatic load protection and phase sequence monitoring.\u003c\/p\u003e","brand":"Daynight Electrical","offers":[{"title":"Default Title","offer_id":44950230827216,"sku":"MVTGBD1S","price":931.68,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/0590\/8176\/files\/MVTGBD1S.webp?v=1772613101","url":"https:\/\/daynightelectrical.co.za\/products\/under-over-voltage-relay-phase-failure-phase-sequence","provider":"Daynight Electrical","version":"1.0","type":"link"}