Type GHB BRKR 3P 40A 277/480VAC Max 125/250VDC Max Molded Case Circuit Breaker, 40 A, Non-Interchangeable Thermal Magnetic Tripping Mechanism, 277/480 V Ac;125/250 V DC, G-Frame Frame, 50/60 HZ, 4 In Overall Height, 6.6 In Overall Length, 3.8 In Overall Width, 1.75 LB