Eaton 3 Phase DP Motor Starter A27CGF40C040 Magnetic starters are electromagnetically operated switches that provide a safe method for certain motors to be started under a large motor load. The overload relay inside the magnetic starters will prevent the supply voltage from energizing the motor if the starter detects a motor overload situation. It comes complete with Nema 1 Metallic Enclosure and Adjustable Overload Relay from 24 to 40 Amps. This Starter is specifically designed to be used with 20 HP, 3 Phase 440 – 480 Volt Electric Motors. Wiring and Installation Instructions included. Features NEMA 1 General Purpose Enclosure Standard UL Recognized Components UL File #E-1491, Guide NLDX2 CSA Certified Components File #LR353, Guide 380W-1.14 Class 3211 04 Stake On Incoming Line For Auxiliary Components Class 10 Trip Class Trip Free Mechanism Shrouded or Finger Proof Terminals to Reduce Possibility of Electrical Shock Series: A27 Phase: 3 20 Hp Number of Poles: 3 Current Rating: 40 Amps Control Circuit Voltage: 440~480 VAC 24-40 Amps / Adjustable Enclosed: Yes NEMA: NEMA 1 Approvals: UL;CSA;CE H x W x D: 7.38 in x 7.69 in x 11.5 in