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Home  >  Toggle Switches  >  ST1 Series The ST1 Series is a heavy-duty single pole toggle switch used in switching up to 20A. This classic design is as functional today as ever. This switch can be configured with different actuators, and screw, tab, or solder terminals. Also available are various accessories including rubber boots and marking plates. The double pole version is designated the ST2 Series Helpful Documents Part Number Breakdown Dimension Information Available Accessories ROHS Information (PDF) Request Information Catalog Order Form Quotation & Sample Order Form Downloads Specification Sheets Catalog Page (PDF) Printer Friendly Cross Reference Inventory Search Distributor/Rep Locator All Regions --------------- Alabama Alaska Arizona Arkansas California (Northern) California (Southern) California (San Diego) Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin (Eastern) Wisconsin (Western) Wyoming Canada (Eastern) Canada (Western) --------------- Brazil China Hong Kong Indonesia Mexico Malaysia Portugal Singapore Spain Thailand Specifications cULus Ratings Maintained Versions: 20A 125VAC 12A 250VAC 2HP 125/250VAC   Momentary Versions: 20A 125VAC 12A 250VAC 1.5HP 125/250VAC Function 1P1T, 1P2T, and Momentary Panel Cutout 12.0mm Dia. (For M12x1.0 Threaded Bushing) Temperature Range 0°C to 85°C Mechanical Life 50,000 Cycles Contact Resistance 2mΩ at 50VAC Insulation Resistance 800MΩ at 500VAC Temperature Ratings 1,500VAC for 1 Minute     Popular/Stocking Part Numbers Part Number Stocking Spec Function Terminals Description ST121D00 1P Off-On   Solder   Standard Bat Actuator, M12x1.0 Bushing ST123D00 1P On-On   Solder   Standard Bat Actuator, M12x1.0 Bushing ST124D00 1P Off-(On)   Solder   Standard Bat Actuator, M12x1.0 Bushing ST125D00 1P On-Off-On   Solder   Standard Bat Actuator, M12x1.0 Bushing ST12DD00 1P (On)-Off-(On)   Solder   Standard Bat Actuator, M12x1.0 Bushing ST141D00 Y 1P Off-On   6.3mm Tab   Standard Bat Actuator, M12x1.0 Bushing ST143D00 Y 1P On-On   6.3mm Tab   Standard Bat Actuator, M12x1.0 Bushing ST144D00 Y 1P Off-(On)   6.3mm Tab   Standard Bat Actuator, M12x1.0 Bushing ST145D00 Y 1P On-Off-On   6.3mm Tab   Standard Bat Actuator, M12x1.0 Bushing ST14DD00 Y 1P (On)-Off-(On)   6.3mm Tab   Standard Bat Actuator, M12x1.0 Bushing ST161D00 Y 1P Off-On   Screw   Standard Bat Actuator, M12x1.0 Bushing ST163D00 Y 1P On-On   Screw   Standard Bat Actuator, M12x1.0 Bushing ST164D00 Y 1P Off-(On)   Screw   Standard Bat Actuator, M12x1.0 Bushing ST165D00 Y 1P On-Off-On   Screw   Standard Bat Actuator, M12x1.0 Bushing ST16DD00 Y 1P (On)-Off-(On)   Screw   Standard Bat Actuator, M12x1.0 Bushing

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