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A manual starter is basically an “ON-OFF” switch with overload protection. Used for local control of equipment in various industrial or construction markets. Can be flush or surface mounted and adapts to multiple NEMA type environmental conditions.
Operated by hand, these starters are more compact than electrically actuated motor starters; use them when multiple motor circuits are housed in one panel.
Manual Motor Starters (MMS) are protection devices for the main circuit. They combine motor control and protection in a single device.
Leviton MS4X-302 30 Amp, 600 VAC, 2-Pole, Non-Fused Manual Motor Starter, Suitable as Motor Disconnect,, Type 4X Thermoplastic Enclosure, IP67-Watertight
Combine a switch with a thermal overload element to build a starter that can handle high-current-rated motors. All are housed in a durable steel enclosure. They’re also known as NEMA starters.
These manually operated motor starters combine contactors, overload relays, and disconnect switches to connect and disconnect electrical loads safely. NEMA manual motor starters have robust constructions that come in standard NEMA motor sizes and withstand harsh environments.
Manual motor starters are electromechanical protection devices for the main circuit. They are used mainly to switch motors manually ON/OFF and to provide fuse less protection against short-circuit, overload and phase failures.
Operated by hand, these starters are more compact than electrically actuated motor starters; use them when multiple motor circuits are housed in one panel.
A manual motor starter combines the contactor and overload into a single assembly. There are a few advantages and disadvantages to using a manual starter.
Manual motor starters are manually operated and control electrical loads to small motors and electrical systems like pumps, fans, machine tools, and conveyors. They combine contactors, overload relays, and manual disconnect switches to start and stop motors and protect them against damage.