Push Button For Emergency Stop With Contact Arrangement 1 No + 1 Nc For Wag-7/Wap-4 Electric Locomotives As Per Clw Specification No. Clw/Es/3/0077 Alt.-A And Clw Drg. No. Clw/Es/3/Sk-1/0 077/A [ Warranty Period: 30 Months After The Date Of Delivery ] ]