{"product_id":"bender-vmd423-d-2-3-phase-voltage-frequency-monitoring-relay-10-500-v-ac","title":"Bender – VMD423-D-2 – 3-Phase Voltage \u0026amp; Frequency Monitoring Relay, 10–500 V AC","description":"\u003cp class=\"p\"\u003eThe Bender VMD‑D‑ is a precision voltage and frequency monitoring relay designed for -phase ( N~AC) systems from  V to  V. It provides protection against over‑\/undervoltage, over\/under‑frequency, phase asymmetry, phase loss, and incorrect phase sequence. A user-friendly LC display, dual alarm relays, and configurable timing make it suitable for renewable energy inverters, UPS systems, and industrial control panels.\u003c\/p\u003e\u003cp class=\"p\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp class=\"p\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eModel:\u003c\/b\u003e\u003c\/span\u003e VMD‑D‑ (LINETRAXX series) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eMeasurement Range:\u003c\/b\u003e\u003c\/span\u003e ‑phase voltage … V AC RMS; frequency …~ Hz ()\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eSupply Voltage:\u003c\/b\u003e\u003c\/span\u003e … V AC\/DC \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eProtection Functions:\u003c\/b\u003e\u003c\/span\u003e Over\/under‑voltage, over\/under‑frequency, phase asymmetry, loss, sequence ()\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eOutputs:\u003c\/b\u003e\u003c\/span\u003e  change‑over alarm relays ( A @  VAC) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eDisplay \u0026amp; Controls:\u003c\/b\u003e\u003c\/span\u003e Multi‑line LC display, LEDs, menu navigation, password protection \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eTiming \u0026amp; Hysteresis:\u003c\/b\u003e\u003c\/span\u003e Adjustable start, response, and release delays with hysteresis setting \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eHousing:\u003c\/b\u003e\u003c\/span\u003e -module ( mm), DIN-rail mount, IP, optional transparent cover \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eSelf-Test:\u003c\/b\u003e\u003c\/span\u003e Built-in automatic and manual self-test with error-code display \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"VOLTWERK Handel","offers":[{"title":"Default Title","offer_id":55873678377334,"sku":"EB-286679146456","price":189.05,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/4202\/8857\/files\/57_34f872b8-0201-41d8-bb0a-0d483812178b.png?v=1751637479","url":"https:\/\/www.volt-werk.com\/products\/bender-vmd423-d-2-3-phase-voltage-frequency-monitoring-relay-10-500-v-ac","provider":"VOLTWERK Handel","version":"1.0","type":"link"}