Manual motor controllers and disconnects safely control and disconnect motors from power. UL 508 rated open frame and enclosed devices are available from reliable brands including Bryant, Merz, and Socomec.
Motor controllers are used to switch loads on or off with operator controls. Because of their design, these motor controllers are listed as a Suitable Motor Disconnect under UL Standard 508, which means they can reliably perform both motor control and disconnect functions, all in one compact package.
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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.
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.
Optional auxiliary / alarm contact blocks and additional poles mount on manual motor controllers or disconnects (where applicable) and are used to signal external monitoring equipment of status or alarm conditions. Additional fourth pole, neutral, and ground pole modules are available with ratings up to 125A.