supply of 1-timer unit ( pcb ) electronic timing module ( on / off delay ) for relay qpr1 type ct32 / 110 v dc. make concord automation and control for conventional loco. 2-timer unit ( pcb ) electronic timing module ( on / off delay ) for relay q44 type ct32 / 110 v dc. make concord automation and control for conventional loco., timer unit ( pcb ) electronic timing module ( on / off delay ) for relay qpr1 type ct32 / 110 v dc. make concord automation and control for conventional loco. [ warranty period: 30 months after the date of delivery ] , timer unit ( pcb ) electronic timing module ( on / off delay ) for relay q44 type ct32 / 110 v dc. make concord automation and control for conventional loco. [ warranty period: 30 months after the date of delivery ]