Schneider Electric 500mA 2P Pole Thermal Magnetic Circuit Breaker, 277 V ac, 415 V ac GB2. Width: 30mm. CAD Drawing: 3D CAD Model. Mounting Style: DIN Rail Mount. Overall Length: 74mm. Overall Depth: 85mm. Overall Dimensions: 74 x 30 x 85mm. Breaking Capacity at Maximum Voltage Rating: 1 (dc) kA, 50 (ac) kA. MPN: GB2DB05