{"product_id":"bender-w465-a26-insulation-tester-ip65-for-power-system","title":"BENDER IRDH275BM-727 Insulation Monitor for IT System","description":"\u003cdiv\u003e\u003cspan\u003e1. Product Overview\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe BENDER IRDH275BM-727 is a high-precision insulation monitoring device (ISOMETER®) designed for ungrounded systems (IT systems). It continuously measures the insulation resistance between live conductors and earth, ensuring electrical safety in critical facilities. The device is suitable for AC, AC\/DC, and DC IT systems.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e2. Key Features\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· AMPPlus patented measurement technology – Accurately measures insulation resistance even in modern power systems containing rectifiers and inverters. Automatically adapts to system leakage capacitance and optimizes measurement time.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Two independent adjustable alarm thresholds – Two separate response value ranges (1 kΩ to 10 MΩ) support pre-alarm and main alarm levels.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Event logging with real-time clock – Stores historical alarm information with date and time stamps for fault tracing.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Communication interface – Electrically isolated RS-485 interface supporting the Bender BMS protocol for networking with other monitoring devices.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Analog output – Provides 0(4) to 20 mA analog output (electrically isolated), proportional to the measured insulation resistance, for connection to PLC or DCS systems.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Comprehensive self-diagnosis – Automatic self-test and alarm functions continuously monitor the device’s own operating status.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Two alarm relays – Two independent alarm relays with two changeover contacts each (250V\/5A), selectable as normally open or normally closed, capable of activating external protection equipment.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· High-voltage system extension – When used with AGH675S-7 or AGH675S-7MV15 coupling devices, the monitoring range can be extended to medium-voltage systems up to 15.5 kV (e.g., medium-voltage variable frequency drives).\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Intuitive user interface – Backlit LCD display (2 lines of text), plus INFO, TEST, RESET and MENU keys for local parameter viewing and setting.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Wide voltage range – Directly monitors AC and AC\/DC systems up to 0‑793 V, or DC systems up to 0‑650 V.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e3. Technical Specifications\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Rated monitoring voltage: AC, AC\/DC 0‑793 V \/ DC 0‑650 V (IT system)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Frequency range: AC 0‑460 Hz\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Response value range: 1 kΩ to 10 MΩ (two independently adjustable)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Measurement principle: AMPPlus patented technology\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Alarm output: Two changeover relays (250V\/5A), NO\/NC selectable\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Analog output: 0(4) to 20 mA, electrically isolated\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Communication interface: RS-485 (BMS protocol), electrically isolated\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Operating power supply: DC 24 V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Mounting: DIN rail\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Dimensions (W × H × D): 110 × 115 × 73 mm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Operating temperature: -10°C to +55°C\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Protection rating: IP20\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e4. Typical Applications\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Power generation and distribution systems\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Industrial automation and production lines (inverters, variable frequency drives, thyristor-controlled circuits)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Medical electrical facilities (operating rooms, intensive care units – isolated power systems)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Medium-voltage variable frequency drive systems (with AGH675S coupler, up to 15.5 kV)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Renewable energy (PV plants, wind farms – DC side insulation monitoring)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Transportation (electric vehicles, ships, mobile generator sets)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Oil and gas (explosion hazardous areas)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Data centers and building power distribution (UPS systems, main and backup circuits)\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bender","offers":[{"title":"Default Title","offer_id":44072242675800,"sku":null,"price":2743.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/2799\/9320\/files\/IRDH275BM-727......jpg?v=1778062925","url":"https:\/\/gexufein.com\/products\/bender-w465-a26-insulation-tester-ip65-for-power-system","provider":"Gexufein Automation","version":"1.0","type":"link"}