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UL 508 open-frame non-fusible disconnects and manual motor controllers can operate while under load to provide safe isolation. Rotary switches, in DIN rail or door-mount options, are available in ratings up to 125A (50hp); handles and shafts are sold separately. Toggle switch models are also available.
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Motor Disconnects & Controllers
Category Selection
UL 508-rated motor disconnects provide quick manual ON/OFF control and disconnection of motors and are capable of withstanding motor overloads and high short-circuit fault currents. Open frame disconnects provide flexible installation options, such as DIN rail, door or panel mounting.
- Socomec non-fusible disconnects
- Merz open frame disconnects
- Bryant open frame manual motor controllers/disconnects
For part listings and specifications, go to Shop Now
Socomec UL 508 Rated Non-Fusible Disconnects
Socomec SIRCO M series UL 508 rated non-fusible disconnects provide a high short-circuit current rating and are load-break capable.
- Non-fusible, 16A to 100A rated models at 600VAC
- 65kA SCCR
- Rotary, 3-pole models
- Front- or side-operated with a direct-mount handle or a shaft and remote handle (sold separately)
- Panel or DIN rail mountable
Starting at
$25.00
(22003000)
Merz Open Frame UL 508 Rated Disconnects
Merz UL 508-rated open-frame non-fusible disconnects are also known as "compact switches" and are well-suited for safely controlling and disconnecting motors. The switches are designed for snap-on DIN rail mounting, base mounting, or front mounting in a door.
- Rotary, 3-pole models rated at 600VAC
- DIN rail and panel mount versions in ratings from 16 to 125 Amps
- Door mount versions in ratings from 16 to 63 Amps
- Meet UL 508, UL 60947-1 and UL 60947-4-1
- Accessories include operating handles, shaft and auxiliary contacts
Starting at
$21.50
(ML1-016-V-A01)
Bryant Open Frame Manual Motor Controllers/Disconnects
Bryant UL 508-rated non-fusible open-frame toggle switch AC manual motor controllers can be integrated into your equipment design as a manual motor controller or as a motor disconnect. Quick-make and slow-break operation provides reliability and long life.
- 30, 40, & 60A rated models at 600VAC
- 10kA SCCR
- 2- or 3-pole models
- Thermoset body withstands high temperatures and offers superior dielectric strength
Starting at
$40.50
(30002D)
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