Double Pole, D Curve, 40 Amp, ABL Sursum Circuit Breaker, UL489 Miniature Molded Case; DIN Rail Mounted; 17.5mm width per pole; Thermal Magnetic; 480Y/277V AC, 50/60Hz; 10kA Short Circuit Withstand Capacity; D-Trip Characteristic; Rated Current: 40A; Two pole; RoHS Compliant; FEATURES: Hinged terminal cover design allows easy access to terminal screws with a broad range of screwdrivers. Individual part number is shown on each circuit breaker and is legible when installed on the panel. Designated marking area is protected with clear hinged cover. DIN Clip can be released when necessary. Standard dual connection terminals. Flexible replaceable terminal barriers reduce the possibility of breakage if accidentally dropped.