This is a signal relay from Murr Elektronik. It has two coils, and the spec include a nominal voltage of 12V, an operating voltage range of 8-14.4V, and a maximum switching voltage of 250VAC/125VDC. It has a contact configuration of 1C/O, and a maximum power of 10W. The relay also has a contact bounce time of 10ms. Its UL, EN, and CUL ratings are UL 2578, EN 60947-4-1, and CUL EN 60947-4-1.