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Double Throw Safety Switches—Fusible and Non-Fusible Class 3140 30–100 A Types DT, DTU (Series F) ● Fusible (DT) and non-fusible (DTU) switches available. ● Manually operated switch suitable for use in accordance with article 702 of the NEC, ANSI/NFPA 70 ● Standards: U:L 98, NEMA KS1, CSA, and NOM ● Modular design—switch handle, lock-plate, switch mechanism; line and load bases are field replaceable ● UL Listed short circuit current ratings up to 200 kA (using Class R, J, or T fuses—see table for rating) ● Load make/break rated ● Meets NEMA hp ratings ● Dual cover interlock ● May be padlocked ON (I) or OFF (O) ● Lock-off accepts up to three padlocks ● Side-opening door ● Quick make / quick break mechanism ● Meets NEMA requirements as heavy duty switch ● Field-installable electrical interlock kits ● Field-installable neutral assembly kits (2P and 3P switches) ● UL Listed as suitable for use as service equipment ● Supplied as standard for switching one load between two power sources, and may be field-converted to switch on power source between two loads. 30 (Series T4), 200–600 A Types 82,000 and 200 A DTU (Series E, A) ● Non-fusible ● Designed for manual transfer of loads from one supply to another ● UL Listed switches are suitable for use in accordance with Arcticle 702 of the National Electrical Code, ANSI / NFPA 70. ● All 82,000 and DTU double throw switches are continuous dute rated for their nameplate ampere rating ● The 82,000 and DTU (Series E, A) switches are load make/break rated ● UL Listed as suitable for use as service equipment ● Horsepower rated only as footnoted. Field-Installable Accessories: ■ Neutral ■ Electrical Interlock ■ Grounding Terminals
Release Date: 03/31/2007Modification Date: 1/16/2008