Schneider Electric 16A 1P Pole Thermal Magnetic Circuit Breaker, 277 V ac, 415 V ac GB2. Width: 15mm. CAD Drawing: 3D CAD Model. Mounting Style: DIN Rail Mount. Breaking Capacity at Maximum Voltage Rating: 1.5 kA. Overall Dimensions: 74 x 15 x 82mm. Overall Length: 74mm. Overall Depth: 82mm. MPN: GB2CB21