Carling Technologies 50A 3 Pole Thermal Magnetic Circuit Breaker, 150 V dc, 240 V ac C. Rated AC Voltage: 240V. Rated DC Voltage: 150V. Circuit Breaker Type: MCCB. Reset Actuator Type: Handle. Overall Dimensions: 57.53 x 63.5 x 64.53mm. Mounting Hole Length: 57.9mm. Mounting Hole Size: 57.91 x 52.37mm. Overall Depth: 64.5mm. Tripping Mechanism: Hydraulic-Magnetic. Breaking Capacity at Maximum Voltage Rating: 10000 A @ 277 V ac, 5000 A @ 125/250 V dc. Overall Length: 57.5mm. Mounting Hole Width: 52.4mm. MPN: CA3-X0-19-984-221-D