{"product_id":"abb-2csm142120r1201-residual-current-device","title":"ABB 2CSM142120R1201 Residual Current Device","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003cbr\u003eThe ABB RD2 residual current device (part number 2CSM142120R1201) is a DIN rail-mounted electronic differential relay designed for reliable earth leakage protection in industrial and commercial electrical installations. Operating across a supply voltage range of 230–400V AC, the RD2 features adjustable trip current settings from 0.03A to 2A and selectable time delays from FAST to 5 seconds, providing precise coordination flexibility for tiered protection schemes. The device occupies 2 DIN rail modules and is classified as Type A, making it suitable for systems where pulsating DC residual currents may be present. Widely specified by EPC contractors, panel builders, and automation engineers across the USA, this relay is compatible with external toroid current transformers for monitoring large feeders and distribution systems. Available through WeSellStocks.co as a surplus and wholesale industrial supplier, stock is accessible for procurement teams in the UAE and for global industrial buyers sourcing ABB protective relays worldwide.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e ABB\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Residual Current Device \/ Electronic Differential Relay\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 2CSM142120R1201\u003cbr\u003e\u003cstrong\u003eIndustry Category:\u003c\/strong\u003e Industrial Electrical Protection \/ Low Voltage Switchgear\u003cbr\u003e\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 230–400V AC\u003cbr\u003e\u003cstrong\u003eCurrent Rating (Trip Range):\u003c\/strong\u003e 0.03A, 0.1A, 0.3A, 0.5A, 1A, 2A (adjustable)\u003cbr\u003e\u003cstrong\u003ePower Rating:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 230–400V AC (Power Supply)\u003cbr\u003e\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003eMounting Type:\u003c\/strong\u003e DIN Rail (2 modules)\u003cbr\u003e\u003cstrong\u003eStandards \/ Compliance:\u003c\/strong\u003e CE, EAC (EAL), WEEE; IT: EG 3162–16073162; DE: GHD0443162R0001; FR: 420580\u003cbr\u003e\u003cstrong\u003eOther Confirmed Specs:\u003c\/strong\u003e Type A sensitivity class, TEST and RESET functions, ON\/TRIP LED indicators, toroid connection terminals (terminals 9–10), output relay with COM\/NO\/NC contacts (terminals 6\/7\/8), time delay settings: FAST, 0.3s, 0.5s, 1s, 2s, 5s; Made in Hungary\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003cbr\u003eThe ABB RD2 is used in industrial switchboards, motor control centers, and building management panels where earth leakage monitoring of large distribution circuits is required. It operates in conjunction with an external toroid (Rogowski-type) transformer to monitor residual current on outgoing feeders, tripping an associated contactor or circuit breaker upon fault detection. The selectable time-delay function enables selectivity coordination in multi-tier protection systems, preventing unnecessary upstream tripping. It is well suited for process plants, manufacturing facilities, data centers, and commercial buildings requiring IEC-compliant residual current protection.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe ABB 2CSM142120R1201 RD2 electronic residual current relay is available for immediate wholesale and bulk procurement through WeSellStocks.co, a trusted surplus industrial supplier serving buyers across the USA, UAE, and international markets. Industrial distributors and MRO procurement teams seeking ABB differential relays, earth leakage protection relays, or low voltage switchgear components will find this unit ready for export and global shipment. Whether sourcing for a single project or building distributor inventory, WeSellStocks.co stocks ABB protective devices at competitive wholesale pricing for industrial and commercial applications worldwide.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eMetafields:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003ebrand:\u003c\/strong\u003e ABB\u003cbr\u003e\u003cstrong\u003epart_number:\u003c\/strong\u003e 2CSM142120R1201\u003cbr\u003e\u003cstrong\u003eproduct_type:\u003c\/strong\u003e Residual Current Device \/ Electronic Differential Relay\u003cbr\u003e\u003cstrong\u003eindustry_category:\u003c\/strong\u003e Industrial Electrical Protection \/ Low Voltage Switchgear\u003cbr\u003e\u003cstrong\u003evoltage_rating:\u003c\/strong\u003e 230–400V AC\u003cbr\u003e\u003cstrong\u003ecurrent_rating:\u003c\/strong\u003e 0.03A – 2A (adjustable)\u003cbr\u003e\u003cstrong\u003epower_rating:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003einput_voltage:\u003c\/strong\u003e 230–400V AC\u003cbr\u003e\u003cstrong\u003eoutput_voltage:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003emounting_type:\u003c\/strong\u003e DIN Rail — 2 Modules\u003cbr\u003e\u003cstrong\u003estandards:\u003c\/strong\u003e CE, EAC, WEEE, IT: EG 3162–16073162, DE: GHD0443162R0001, FR: 420580\u003cbr\u003e\u003cstrong\u003econdition:\u003c\/strong\u003e New \/ Surplus\u003cbr\u003e\u003cstrong\u003estock_quantity_available:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003etarget_markets:\u003c\/strong\u003e USA | UAE | Worldwide\u003cbr\u003e\u003cstrong\u003eglobal_shipping:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003ch5 class=\"font-claude-response-body break-words whitespace-normal\"\u003econdition: Open box\u003c\/h5\u003e\n\u003ch5\u003ewithout box\u003c\/h5\u003e","brand":"We Sell Stocks","offers":[{"title":"Default Title","offer_id":59473780474142,"sku":"Cabin : A-92- Henaz","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/7230\/1086\/files\/4_4d6bd0a5-3bdc-475c-a360-a81383ba9307.png?v=1781683317","url":"https:\/\/wesellstocks.co\/products\/abb-2csm142120r1201-residual-current-device","provider":"We Sell Stocks","version":"1.0","type":"link"}