{"product_id":"schneider-electric-imd-im20-h-vigilohm-im20-h-insulation-monitoring-device","title":"Schneider Electric – IMD-IM20-H Vigilohm IM20-H – Insulation Monitoring Device","description":"\u003cp class=\"p1\"\u003eThe \u003cspan class=\"s1\"\u003e\u003cb\u003eIMD‑IM20‑H\u003c\/b\u003e\u003c\/span\u003e (Vigilohm IM20‑H) from Schneider Electric is a precision insulation monitoring device (IMD) designed for ungrounded (IT) systems, including medical and industrial applications. It continuously measures insulation resistance via low-frequency AC injection, features threshold-based alarm logging, transformer load\/temperature monitoring, and RS‑485 Modbus communication. DIN-rail or panel-mountable with a 110–230 VAC power supply. \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"p2\"\u003e\u003cspan class=\"s3\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp class=\"p2\"\u003e\u003cspan class=\"s3\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003ch3\u003e\u003cb\u003e Key Specifications\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003e\u003c\/p\u003e\u003cp class=\"p2\"\u003e\u003cspan class=\"s3\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eModel \/ P\/N:\u003c\/b\u003e\u003c\/span\u003e IMD‑IM20‑H (Vigilohm IM20‑H)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eSupply Voltage:\u003c\/b\u003e\u003c\/span\u003e 110–230 VAC ±15%, 12 VA consumption \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eMeasurement Range:\u003c\/b\u003e\u003c\/span\u003e Insulation resistance 1 kΩ–10 MΩ\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eTest Current:\u003c\/b\u003e\u003c\/span\u003e Low-frequency AC injection, ≤ 0.2 mA at 25 V \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eAlarm Threshold:\u003c\/b\u003e\u003c\/span\u003e Configurable 50–500 kΩ, \u0026lt;1 s response \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eTransformer Monitoring:\u003c\/b\u003e\u003c\/span\u003e Secondary CT input for transformer load and temperature (bimetal) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eCommunication:\u003c\/b\u003e\u003c\/span\u003e RS‑485 Modbus RTU interface \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eRelay Output:\u003c\/b\u003e\u003c\/span\u003e 1 SPDT relay (6 A @ 250 VAC\/DC) \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eDisplay \u0026amp; LEDs:\u003c\/b\u003e\u003c\/span\u003e Digital screen plus “ON” and “Insulation Alarm” LEDs \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eMounting:\u003c\/b\u003e\u003c\/span\u003e DIN rail (clip-on) or panel with spring clips; IP52 front, IP20 rear \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s2\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003eOperating Temps:\u003c\/b\u003e\u003c\/span\u003e –25…+55 °C; housing size: 110×96×59 mm; weight ≈ 250 g  \u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":55844476256630,"sku":"EB-286674301931","price":2374.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/4202\/8857\/files\/57_7fa7dc4f-f4b7-405e-9381-a6b314b7123a.jpg?v=1751150588","url":"https:\/\/volt-werk.com\/products\/schneider-electric-imd-im20-h-vigilohm-im20-h-insulation-monitoring-device","provider":"VOLTWERK Handel","version":"1.0","type":"link"}