Siemens Motor Protection Circuit Breaker, 690 V AC, 40 A, 37 kW Power, 50/60 Hz Frequency, 4 kA Interrupt, S2 Frame, Thermal Magnetic Trip, 32 to 40/585 A Trip, 3 Pole, 3 ph, Screw Connection, 1NO-1NC Auxiliary, 18 to 3 AWG, 18 to 2 AWG Wire, IP00/IP20 Enclosure, DIN Rail/Snap-On/Threaded Mounting, -20 to 60 deg C, 140 mm H x 55 mm W x 149 mm D Dimensions