Fusible and Non-Fusible Overview

30–100 A DT, DTU (Series F) NEMA Type 1

• 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: UL 98, Type 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 with (fusible) or (non-fusible) Class R, J, or T fuses—see table for rating)

• Load make/break rated

• Horsepower rated

• 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-installed electrical interlock kits

• Field-installed 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 one power source between two loads.

82,000 Line NEMA Type 1

• Non-fusible

• Designed for manual transfer of one load between two power sources

• UL Listed switches are suitable for use in accordance with Article 702 of the National Electrical Code, ANSI / NFPA 70

• 82,000 and DTU double throw switches are continuous duty 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