{"product_id":"ls-electric-usp-series-ul-din-rail-surge-protective-device","title":"LS Electric USP Series UL DIN-Rail AC Surge Protective Device","description":"\u003cp class=\"ps-intro\"\u003eLS Electric USP series UL Recognized Type 1CA plug-in DIN-rail surge protective devices for North American AC power systems up to 600 V.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eANSI\/UL1449 5th edition and CSA C22.2 Type 1CA; IEC\/EN 61643-11 Class II\u003c\/li\u003e\n\u003cli\u003eMCOV 150 to 690 V AC; In 20 kA, Imax 50 kA (40 kA for 550\/690 V)\u003c\/li\u003e\n\u003cli\u003eSingle phase, split phase, WYE, DELTA and high-leg DELTA protection modes\u003c\/li\u003e\n\u003cli\u003eShort-circuit current rating (SCCR) 200 kA\u003c\/li\u003e\n\u003cli\u003ePluggable modules with window flag indicator; isolated Form C remote alarm (AL option)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eANSI\/UL1449 5th Type 1CA, CSA C22.2, IEC\/EN 61643-11 Class II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003eParallel connected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal discharge current In\u003c\/th\u003e\n\u003ctd\u003e20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax. discharge current Imax\u003c\/th\u003e\n\u003ctd\u003e50 kA (550\/690 V: 40 kA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSCCR\u003c\/th\u003e\n\u003ctd\u003e200 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStatus indication\u003c\/th\u003e\n\u003ctd\u003eFlag: green normal, red failure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDegree of protection\u003c\/th\u003e\n\u003ctd\u003eIP20, UL94 V0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-40 to 85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptions\u003c\/th\u003e\n\u003ctd\u003eAL remote alarm contact (-AL suffix)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eLS Electric Surge Protective Device catalog C01551-07 (2025-10), p. 33-38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-320-3LDG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V | Rated voltage Un: 240-277 V | Protection mode: Three phase DELTA 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-550-3LDG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 550 V | Rated voltage Un: up to 480 V | Protection mode: Three phase DELTA 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-690-3LDG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 690 V | Rated voltage Un: up to 600 V | Protection mode: Three phase DELTA 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-240-3LHDG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 150 V \/ 320 V (H) | Rated voltage Un: 120\/240 V | Protection mode: High-leg DELTA 4W+G, 4+0 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-480-3LHDG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V \/ 550 V (H) | Rated voltage Un: 240\/480 V | Protection mode: High-leg DELTA 4W+G, 4+0 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-150-2LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 150 V | Rated voltage Un: 120 V | Protection mode: Split phase 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-150-2LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 150 V | Rated voltage Un: 120 V | Protection mode: Split phase 2W+G, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-150-2LN\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 150 V | Rated voltage Un: 120 V | Protection mode: Split phase 3W, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-180-2LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 180 V | Rated voltage Un: 120-127 V | Protection mode: Split phase 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-180-2LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 180 V | Rated voltage Un: 120-127 V | Protection mode: Split phase 2W+G, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-180-2LN\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 180 V | Rated voltage Un: 120-127 V | Protection mode: Split phase 3W, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-320-2LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V | Rated voltage Un: 240-277 V | Protection mode: Split phase 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-320-2LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V | Rated voltage Un: 240-277 V | Protection mode: Split phase 2W+G, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-320-2LN\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V | Rated voltage Un: 240-277 V | Protection mode: Split phase 3W, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-150-3LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 150 V | Rated voltage Un: 120 V | Protection mode: Three phase WYE 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-180-3LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 180 V | Rated voltage Un: 120-127 V | Protection mode: Three phase WYE 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-275-3LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 275 V | Rated voltage Un: 220-230 V | Protection mode: Three phase WYE 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-320-3LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V | Rated voltage Un: 240-277 V | Protection mode: Three phase WYE 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-385-3LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 385 V | Rated voltage Un: 240-277 V | Protection mode: Three phase WYE 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-420-3LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 420 V | Rated voltage Un: 277-347 V | Protection mode: Three phase WYE 3W+G, 3+0 | Poles: 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-150-4LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 150 V | Rated voltage Un: 120 V | Protection mode: Three phase WYE 4W+G, 4+0 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-180-4LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 180 V | Rated voltage Un: 120-127 V | Protection mode: Three phase WYE 4W+G, 4+0 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-275-4LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 275 V | Rated voltage Un: 220-230 V | Protection mode: Three phase WYE 4W+G, 4+0 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-320-4LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V | Rated voltage Un: 240-277 V | Protection mode: Three phase WYE 4W+G, 4+0 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-385-4LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 385 V | Rated voltage Un: 240-277 V | Protection mode: Three phase WYE 4W+G, 4+0 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-420-4LG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 420 V | Rated voltage Un: 277-347 V | Protection mode: Three phase WYE 4W+G, 4+0 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-150-3LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 150 V | Rated voltage Un: 120 V | Protection mode: Three phase WYE 4W+G, 3+1 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-180-3LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 180 V | Rated voltage Un: 120-127 V | Protection mode: Three phase WYE 4W+G, 3+1 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-275-3LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 275 V | Rated voltage Un: 220-230 V | Protection mode: Three phase WYE 4W+G, 3+1 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-320-3LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V | Rated voltage Un: 240-277 V | Protection mode: Three phase WYE 4W+G, 3+1 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-385-3LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 385 V | Rated voltage Un: 240-277 V | Protection mode: Three phase WYE 4W+G, 3+1 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-420-3LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 420 V | Rated voltage Un: 277-347 V | Protection mode: Three phase WYE 4W+G, 3+1 | Poles: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-150-1LN\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 150 V | Rated voltage Un: 120 V | Protection mode: Single phase 2W+G, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-180-1LN\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 180 V | Rated voltage Un: 120-127 V | Protection mode: Single phase 2W+G, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-275-1LN\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 275 V | Rated voltage Un: 220-230 V | Protection mode: Single phase 2W+G, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-320-1LN\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V | Rated voltage Un: 240-277 V | Protection mode: Single phase 2W+G, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-385-1LN\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 385 V | Rated voltage Un: 240-277 V | Protection mode: Single phase 2W+G, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-420-1LN\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 420 V | Rated voltage Un: 277-347 V | Protection mode: Single phase 2W+G, 2+0 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-150-1LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 150 V | Rated voltage Un: 120 V | Protection mode: Single phase 2W+G, 1+1 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-180-1LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 180 V | Rated voltage Un: 120-127 V | Protection mode: Single phase 2W+G, 1+1 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-275-1LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 275 V | Rated voltage Un: 220-230 V | Protection mode: Single phase 2W+G, 1+1 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-320-1LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 320 V | Rated voltage Un: 240-277 V | Protection mode: Single phase 2W+G, 1+1 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-385-1LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 385 V | Rated voltage Un: 240-277 V | Protection mode: Single phase 2W+G, 1+1 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSP-420-1LNG\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eMCOV: 420 V | Rated voltage Un: 277-347 V | Protection mode: Single phase 2W+G, 1+1 | Poles: 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"LS Electric","offers":[{"title":"Default Title","offer_id":67521968406818,"sku":"USP-320-3LDG","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/ls-electric-usp-series-ul-din-rail-surge-protective-device.jpg?v=1791954616","url":"https:\/\/prosourcemro.com\/products\/ls-electric-usp-series-ul-din-rail-surge-protective-device","provider":"ProSource MRO","version":"1.0","type":"link"}