Relpol rsm850 series 1a subminiature monostable signal relays dpco relpol rsm850 6112 85 1009 a 1a 9v dc pcb mounting subminiature polarised monostable signal relay that has dpco contacts and low coil power ideal for use in telecommunications devices office equipment alarm systems medical monitoring devices av equipment control sensors etc relpol rsm850 6112 85 1009 dpdt subminiature signal relay 9v 1a pcb