{"product_id":"bender-rcma470ly-21-30ma-3a-residual-current-monitor-for-ac-dc-tn-tt-systems","title":"Bender RCM470LY-13 90-132V 10mA-10A Residual Current Monitor for TN TT Systems","description":"\u003cdiv\u003e\u003cspan\u003eThe RCM470LY‑13 is a residual current monitor from Bender, designed for earthed systems (TN and TT systems). It measures the residual current of the system non‑invasively via an external measuring current transformer. In the event of an earth fault, the device provides an early warning without disconnecting the power supply, effectively avoiding nuisance tripping. This model is suitable for applications requiring residual current monitoring in AC systems.\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· Response range: 10 mA … 10 A (steplessly adjustable)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Rated frequency: 40 … 400 Hz\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Response delay: 0 … 10 s (adjustable)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Supply voltage: AC 90 … 132 V\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Output contact: 1 DPDT changeover contact\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Display: LED bar graph (0‑100%), Power On LED, Alarm LED\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Fault memory: Selectable (latching \/ non‑latching)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· External interfaces: Supports external test\/reset push‑buttons, external measuring instrument output (0…400 µA)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Protection class: Internal components IP30, terminals IP20\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Mounting: 35 mm DIN rail or screw mounting\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Weight: ≤ 350 g\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Standards compliance: IEC 62020, IEC 60755 (Type A)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Order number: B94012019\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· Type A residual current monitoring – Detects sinusoidal AC and pulsating DC earth fault currents\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· External measuring current transformer – Measurement largely unaffected by load current and system voltage\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Steplessly adjustable response value – Wide range from 10 mA to 10 A, adaptable to different applications\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· LED bar graph – Shows the current measured value as a percentage of the set response value\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Adjustable response delay – 0 … 10 s, prevents nuisance tripping due to transient disturbances\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Selectable fault memory – Latching mode (manual reset) or non‑latching mode (auto reset)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Self‑test and reset – Built‑in TEST\/RESET button, also supports external push‑buttons for remote operation\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Transformer connection monitoring – Continuously monitors the external current transformer connection; alarms on wire break\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Sealable transparent cover – Prevents unauthorised parameter changes\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· Residual current monitoring in earthed systems (TN\/TT systems)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Socket outlet circuits (air conditioning, EDP systems, etc. – permanently unmanned equipment)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Alarm systems, safety devices\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Cooling equipment, canteen kitchens\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Motor and motor control systems\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Portable and stationary generators\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e· Off‑line single‑conductor current monitoring (PE conductor, etc.)\u003c\/span\u003e\u003c\/div\u003e","brand":"Bender","offers":[{"title":"Default Title","offer_id":44166941900888,"sku":null,"price":515.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/2799\/9320\/files\/RCM470LY-13......jpg?v=1780412960","url":"https:\/\/gexufein.com\/products\/bender-rcma470ly-21-30ma-3a-residual-current-monitor-for-ac-dc-tn-tt-systems","provider":"Gexufein Automation","version":"1.0","type":"link"}