supply of 02 types electro pneumatic timer02 types electro pneumatic timer,electro pneumatic timer pn type with 1no + 1nc, coil voltage 110v (ac) encapsulated coil, operating temp. upto 60 degree celsius , working time 0.5 sec to 60 sec. , 600 v max. bch make part no. krtpn10a-1 make- bch or its equivalent. [ warranty period: 12 months after the date of delivery ] ] , electro pneumatic timer pn type with 1no + 1nc , coil voltage 220v (ac) encapsulated coil , operating temp. upto 60 degree celsius , working time 0.5 sec to 60 sec., 600 v max. bch make part no. krtpn10b-1 make- bch or its equivalent. [ warranty period: 18 months after the date of delivery ] ] => limited