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electrical-engineering-portal.com-Star-Delta Motor Starter.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free.SDSI Star Delta Starters Datasheet. Order Code. Control Voltage. (VAC). Motor Power at 400V. (kW). Horse Power. (HP). Max. Motor Current. To perform a soft start for a three phase induction motor by star/delta starting method. 2- Theory. The Star Delta starting method is a motor starting mechanism Automatic Star / Delta Starter (Y-Δ) with Timer for 3-Phase Induction Motor - Star - Delta Starter Wiring, Power & Control Wiring & Connection Diagrams. Star-Delta Starters Open Type. AC Operated. Ratings. Rated. Wired to accept. Type. Coil voltage 1). AC3. Current. Overload Relay. 24 24V 50/60Hz. Automatic Star Delta Starter design normally consists of three contactors, an overload relay or circuit breaker, and a timer for setting the time in the Three contactors, a timer, and a thermal overload are used in the Star/Delta starter to operate a three-phase motor at 440 volts at 50 Hz from an AC mains Approximate motor rating. Recommended Note : Overload relay is fitted in the delta loop. A range of star-delta motor starters with ingress.