{"product_id":"bender-isorw425-d4w-4-ac-dc-400v-ac-100-240v-dc-24-240v-insulation-monitor-for-railway-systems-1","title":"Bender iso685W-D AC 690V DC 1000V AC\/DC 24-240V Insulation Monitor for AC DC IT Systems","description":"\u003cdiv\u003e\u003cspan\u003eThe iso685W-D is a high‑performance insulation monitoring device from Bender, part of the iso685 series, designed for unearthed AC, 3(N)AC, AC\/DC and DC systems (IT systems) in accordance with IEC 61557‑8. AC systems may include rectifiers, inverters, variable‑speed drives and other DC loads.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eThe “D” version features a high‑resolution graphic LC display and operating keys for direct on‑device configuration. The “W” variant is specially hardened for extreme climatic and mechanical conditions.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eTechnical 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 system voltage (Uₙ): AC 0…690 V (1…460 Hz); DC 0…1000 V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Supply voltage (Uₛ): AC 24…240 V (50…400 Hz); DC 24…240 V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Response value range (Rₐₙ₁ \/ Rₐₙ₂): 1 kΩ … 10 MΩ, two independently adjustable thresholds\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Display: High‑resolution graphic LC display\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Alarm output: Two independent changeover contacts (K1, K2)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Communication interfaces: RS‑485 (BMS \/ Modbus RTU \/ isoData), Ethernet (Modbus TCP \/ Web server \/ BCOM)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Analogue outputs: Current or voltage outputs 0(4)…20 mA, 0…400 μA, 0…10 V, 2…10 V (galvanically isolated)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Digital I\/O: Freely programmable digital inputs and outputs\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· History memory: Real‑time clock (3‑day buffer); stores up to 1023 alarm messages with date and time stamp\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Protection class: Internal components IP40, terminals IP20\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Mounting: DIN rail (IEC 60715)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Dimensions (W × H × D): 108 × 93 × 110 mm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Weight: \u0026lt; 390 g\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eW Version Enhanced Features\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eCompared to the standard iso685‑D, the W version offers:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Increased shock and vibration resistance – compliant with mechanical class 3M12\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Conformal coating on electronic components for improved protection against moisture, salt spray and mechanical stress\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Extended operating temperature range: –40 °C … +70 °C\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eKey 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· Insulation monitoring – continuously monitors insulation resistance of IT systems; alarm triggers when value falls below preset threshold\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· AMPPlus measuring principle – automatically adapts to system leakage capacitance\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Two independently adjustable alarm thresholds – range 1 kΩ…10 MΩ for pre‑warning and main alarm\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· isoGraph trend analysis – graphical display of insulation resistance over time\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· History memory – stores 1023 time‑stamped alarm messages\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Connection monitoring – continuously supervises measuring leads\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Automatic self‑test – with automatic fault reporting\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Fault memory – selectable latching function\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Password protection – prevents unauthorised parameter changes\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Remote access – via integrated web server for remote configuration and diagnostics\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eTypical 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· Industrial IT systems\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· AC\/DC hybrid systems with rectifiers and inverters\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Marine and offshore installations\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Railway applications\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· UPS and battery systems\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Photovoltaic and renewable energy systems\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Data centres and telecommunications\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Medical locations (operating theatres, ICUs)\u003c\/span\u003e\u003c\/div\u003e","brand":"Bender","offers":[{"title":"Default Title","offer_id":44270180892760,"sku":null,"price":3686.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/2799\/9320\/files\/ISO685W-D.jpg?v=1782234212","url":"https:\/\/gexufein.com\/products\/bender-isorw425-d4w-4-ac-dc-400v-ac-100-240v-dc-24-240v-insulation-monitor-for-railway-systems-1","provider":"Gexufein Automation","version":"1.0","type":"link"}