Siemens Sirius Innovation 3TG1 4 Pole Contactor, 3NO/1NC, 20 A, 24 V dc Coil. Contact Voltage Rating: 400 V ac. Terminal Type: Screw. Length: 62mm. Width: 36mm. Maximum Operating Temperature: +55°C. CAD Drawing: 3D CAD Model. Minimum Operating Temperature: -25°C. Depth: 60mm. MPN: 3TG1001-0BB4