http://www.aislu.com/documents/HG30T_EN_S101027V1.pdf If you look at the drive principle, its saying a position DC to latch, and = a negative DC to unlatch?=A0 Is this the same thing as just reversing the D= C voltage on the coil? Ive not used latching relays before.... --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .