The 66.82.9.012.0000 is a Flange mount Power Relay with DC coil. This 66 series relay has 2CO (2PDT) AgCdO contact. Faston 250 (6.3 x 0.8mm) with top flange mount. Reinforced insulation between coil and contacts according to EN 60335-1; 8mm creepage and clearance distances.