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Load control, transfer and disconnect devices can switch large loads and maintain maximum safety by ensuring a circuit is completely de-energized for service. These devices carry various UL ratings for specific uses in electrical systems.
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Disconnects & Switches
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Disconnects and switches maintain maximum safety by ensuring a circuit is completely de-energized for service. UL 98, 498, 508, and 1008 rated fused and non-fused disconnects provide suitable disconnecting means up to 600A for the most demanding applications.
- Manual transfer switches offer selectable load connections between two supply circuits
- Disconnect switches safely de-energize circuits for service
- Rotary cam switches provide manual motor changeover or direction change
- Mechanically interlocked motor disconnects ensure proper, fully-seated connections for mobile equipment
- Wide variety of accessories available
For part listings and specifications, go to Shop Now
Manual Transfer Switches
Transfer switches provide safe, manually operated transfer and disconnection of sources, even under load. These UL 1008 rated switches are ideal for generator switching in systems where power loss could cause business disruption.
Fused Disconnects
UL 98 and UL 489 fusible disconnects provide a high short-circuit current rating, able to operate under load to provide safe isolation and circuit protection. In ratings up to 600A, these disconnect switches are available with up to 4 poles; handles, shafts and fuses are sold separately.
Non-Fused Disconnects
UL 98 non-fusible disconnects safely control and disconnect circuits while under load. In ratings up to 600A, these disconnects are available with up to 4 poles with a high short-circuit current rating; handles and shafts are sold separately.
Non-Fused DC-Rated Disconnects
UL 98 DC-rated non-fusible disconnects are load-break capable and provide a high short-circuit current rating. These rotary disconnect switches, rated up to 250A at 1000 VDC, are front-operated with a direct-mount or remote handle (sold separately).
Motor Disconnects & Controllers
UL 508 non-fusible disconnects and manual motor controllers are rated to operate while under load to provide safe isolation in motor control circuits. These 3-pole rotary switches, in DIN rail or door-mount options, are available in ratings up to 125A (50hp); handles and shafts are sold separately.
Enclosed Motor Disconnects
UL 508 enclosed non-fusible disconnects are perfect for safely controlling and disconnecting motors. These 3-pole rotary enclosed disconnect switches, pre-mounted in an enclosure, are available in ratings up to 125A, with a 5kA SCCR rating.
Mechanical Interlocks
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Interlocked motor disconnects use pin and sleeve technology to conveniently connect and disconnect mobile equipment safely. They provide an OSHA lockout/tagout point, prevent the connection of devices with different voltage and current ratings, and prevent the installation and removal of a plug when the switch is in the incorrect position.
Rotary Cam Switches
Motor transfer cam switches allow seamless changeover from one motor to another; motor reversing switches allow smooth direction change. Rotary cam switches are available with 2 or 3 poles, with a 5kA SCCR rating.
Disconnect External Handles & Components
Handles for rotary disconnect switches can be direct mounted or externally mounted with the associated shaft. External mounted handles provide extra protection for personnel while disconnecting power. Handles can be purchased individually or in a kit with mounting hardware. Shaft supports and other accessories are available.
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