Stellar SR33 series basic reduced voltage soft starter, 280A, 208-230/460 VAC, for 3-phase motors (two phases controlled), rated for 10 starts/hour; footprint comparable to a Star-Delta starter. Three potentiometers control settings for: Start Time, Starting Voltage, and Stop Time (ramps down motor voltage, but does not apply braking torque to a load). Unit may require derating for applications other than fans and pumps; see specifications for appropriate derating. Unit requires 24VDC control voltage. SR33-132 thru SR33-280 starters require insulation kit SR33-HS1 for UL installations. Installation instructions included.
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