Square D HDL36040 Powerpact Molded Case Circuit Breaker Brand: Square D. Part Number: HDL36040. Square D PowerPact Molded Case Circuit Breaker, 80% Rated Type HDA, 600 VAC/250 VDC, 40 A, 50/60 Hz, 25 kA at 240 VAC/18 kA at 480 VAC/14 kA at 600 VAC/20 kA at 250VDC Interrupt, H Frame, Thermal Magnetic Trip, 400 A Hold, 850 A Trip, 3 Pole, Line/Load Lug, 14 to 3/0 AWG Wire, -13 to 158 deg F, 86 mm L x 104 mm W x 163 mm H. Additional Description: SQD -HDL36040 MOLDED CASE CIRCUIT BREAKER 600V 40A. Catalog Description: Circuit breaker, PowerPacT H, 40A, 3 pole, 600VAC, 14kA, lugs, thermal magnetic, 80%..