Te connectivity mt series 10a plug in relays general purpose te connectivity 5 1393090 0 a 10a 8 pin plug in multimode relay with dpco contacts and a 230v ac coil features a new test system with a front operated finger protected push to test button and an integral locking test tab suitable applications for this relay include plant control hvac systems etc te connectivity mt221024 dpco relay 10a 24vdc 8 pin multimode