Siemens Sentron 5TT 2 Pole Installation Contactor, 2NO, 20 A, 1.7 W, 230 V ac Coil. Pole and Throw Configuration: DPST. Mounting Style: DIN Rail Mount. Terminal Type: Screw. Length: 17.5mm. Width: 90mm. Depth: 70.7mm. MPN: 5TT5000-0