{"product_id":"abb-cm-mss-1svr430811r1300-thermistor-motor-protection-relay-220-240-vac","title":"ABB – CM-MSS (1SVR430811R1300) – Thermistor Motor Protection Relay, 220-240 VAC","description":"\u003cp class=\"p\"\u003eThe ABB CM‑MSS (SVRR) is a DIN-rail motor protection relay that monitors winding temperature via PTC thermistor sensors. Designed for single-motor protection, it offers reliable overload protection by opening its  SPDT contacts when the PTC sensor exceeds ~. kΩ, with shorted\/broken sensor detection. Ideal for industrial motors, pumps, or HVAC systems.\u003c\/p\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003ch\u003e\u003cb\u003e Key Features \u0026amp; Specifications\u003c\/b\u003e\u003c\/h\u003e\u003cp\u003e\u003c\/p\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eModel \/ P\/N:\u003c\/b\u003e\u003c\/span\u003e CM‑MSS \/ SVRR \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eSupply Voltage:\u003c\/b\u003e\u003c\/span\u003e – VAC ±%, \/ Hz \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eControl Supply Range:\u003c\/b\u003e\u003c\/span\u003e – VAC\/DC series also exists; this one is specifically – VAC \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eSensor Circuit:\u003c\/b\u003e\u003c\/span\u003e Monitors single PTC sensor; trips above ~. kΩ, resets below ~. kΩ \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eSensor Fault Detection:\u003c\/b\u003e\u003c\/span\u003e Detects short-circuit (\u0026lt; Ω) or open circuit, indicated by flashing red LED \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eOutput Contacts:\u003c\/b\u003e\u003c\/span\u003e  × SPDT (form C); rated  A @  VAC\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eReset Options:\u003c\/b\u003e\u003c\/span\u003e Manual front-button, auto-reset, or remote reset via terminal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eLED Indicators:\u003c\/b\u003e\u003c\/span\u003e Green = supply OK; Red = fault \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eMounting \u0026amp; Dimensions:\u003c\/b\u003e\u003c\/span\u003e . mm wide ( module), . × . × . mm; ~. kg \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eApprovals:\u003c\/b\u003e\u003c\/span\u003e UL , CSA, GL, GOST, CE; thermal \u0026amp; phase safety per IEC\/EN ‑ \u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\u003cspan class=\"s\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp class=\"p\"\u003e\u003cspan class=\"s\"\u003e\u003cb\u003eDurability:\u003c\/b\u003e\u003c\/span\u003e Engineered for continuous motor operation; used and new units available on eBay around USD –\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"VOLTWERK Handel","offers":[{"title":"Default Title","offer_id":55844421501302,"sku":"EB-286672516473","price":113.05,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/4202\/8857\/files\/57_7ae8ae8d-1738-4b2d-a304-d4959a12b719.png?v=1751150338","url":"https:\/\/volt-werk.com\/products\/abb-cm-mss-1svr430811r1300-thermistor-motor-protection-relay-220-240-vac","provider":"VOLTWERK Handel","version":"1.0","type":"link"}