CM3-B4-44-630-20A-I

Hydraulic/Magnetic Circuit Breaker - 3 Pole - 30A - 480VAC/277VAC - Sealed Toggle (One Per Pole) - Series Trip (Current) - S.P.D.T. - 0.110 Q.C. Term. - 50/60Hz Medium - High-inrush Delay - Screw 10-32 - No Legend - Standard Hex Nut - UL Recognized & CSA