AC motor soft starter accessories include cooling fans, communication modules, finger guards, touchscreens, remote HMIs, and communications modules. Verify that the accessories selected are compatible with the soft starter series chosen.
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Soft starters protect AC motors from damage caused by the excessive inrush of current that can be present when starting a motor. They provide one- or three-phase motors with a smooth, gradual ramp up to full speed.
Soft starters not only prolong motor life, they are also ideal for applications that require speed and torque control at startup, including belt-driven systems or systems with stored tension, and pump systems where surges in pressure could cause equipment damage.
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Compact AC motor soft starters are perfect for space limited applications. These light duty starters have housing sizes up to 79mm wide with models that are rated up to 85A @ 230-460 VAC (3-phase) and 40A @ 110-240 VAC (1-phase).
Basic AC motor soft starters provide added protections and motor control features and can be used in standard-, medium-, or heavy-duty applications. Fully digital versions offer easier setup with a built-in communication interface. Models are rated for up to 412A @ 220-575 VAC (3-phase) and 361A @ 110-240 VAC (1-phase).
Full-Featured AC motor soft starters are fully digital and use thyristors for reduced voltage starting/stopping with automatic configuration, built-in bypass relays, and a patented iERS system that reduces energy costs when used on lightly loaded or oversized motors. Models are rated for up to 477A @ 200-460 VAC (3-phase).
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