{"product_id":"industrial-120sa-4-328b-1-firing-module-resistance-board","title":"Industrial 120SA-4 328B-1 Firing Module Resistance Board","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"552\"\u003eThe Weltronic 120SA-4 328B-1 Firing Module Resistance Board is an industrial \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003eelectronic control board\u003c\/a\u003e used in SCR firing and power regulation systems for industrial automation equipment. Commonly installed in motor control systems, industrial drives, heating controls, and power conversion equipment requiring controlled firing circuit operation. Maintenance teams, OEMs, and system integrators use this board for equipment repair, retrofit projects, replacement of failed firing modules, and restoration of industrial control systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"554\" data-end=\"571\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"572\" data-end=\"1055\"\u003eThe Weltronic 120SA-4 328B-1 firing module resistance board is commonly used in industrial electrical systems requiring precise SCR triggering and controlled power regulation. It is frequently installed in industrial drive systems, process heating equipment, motor speed controls, power supply assemblies, manufacturing machinery, and automation cabinets where stable firing control and dependable electronic regulation are required for continuous operation and equipment protection.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1057\" data-end=\"1086\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1087\" data-end=\"1813\"\u003e• Brand: Weltronic\u003cbr data-start=\"1105\" data-end=\"1108\"\u003e• Part Number: 120SA-4\u003cbr data-start=\"1130\" data-end=\"1133\"\u003e• Secondary Number: 328B-1\u003cbr data-start=\"1159\" data-end=\"1162\"\u003e• Product Type: Firing Module Resistance Board\u003cbr data-start=\"1208\" data-end=\"1211\"\u003e• Application: SCR Firing and Power Regulation\u003cbr data-start=\"1257\" data-end=\"1260\"\u003e• Compatible Systems: Industrial Control and Drive Systems\u003cbr data-start=\"1318\" data-end=\"1321\"\u003e• Function: Controlled SCR Triggering and Resistance Regulation\u003cbr data-start=\"1384\" data-end=\"1387\"\u003e• Installation Type: Panel Mounted Electronic Control Board\u003cbr data-start=\"1446\" data-end=\"1449\" data-is-only-node=\"\"\u003e• Suitable For: Industrial Automation Equipment\u003cbr data-start=\"1496\" data-end=\"1499\"\u003e• Operating Environment: Industrial Electrical Systems\u003cbr data-start=\"1553\" data-end=\"1556\"\u003e• Industrial Use: Equipment Repair and Retrofit Applications\u003cbr data-start=\"1616\" data-end=\"1619\"\u003e• Typical Installation: Automation Cabinets and Power Control Assemblies\u003cbr data-start=\"1691\" data-end=\"1694\"\u003e• Control Type: Electronic Power Regulation Module\u003cbr data-start=\"1744\" data-end=\"1747\"\u003e• Compatible Equipment: Motor Drives and Process Control Systems\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1815\" data-end=\"1839\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1840\" data-end=\"1936\"\u003e• Eurotherm SCR Control Board\u003cbr data-start=\"1869\" data-end=\"1872\"\u003e• Siemens Firing Control Module\u003cbr data-start=\"1903\" data-end=\"1906\"\u003e• ABB Power Regulation Board\u003c\/p\u003e","brand":"Weltronic","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51731697926446,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_d63b4fd8-aa61-4092-9a05-f89e391c0cde.jpg?v=1770597172","url":"https:\/\/plgautomation.com\/products\/industrial-120sa-4-328b-1-firing-module-resistance-board","provider":"PLG Automation ","version":"1.0","type":"link"}