Bl Key Box Complete For 25 Kv Electric Locomotive,For Wag-7/Wam-4, As Per Clw Spec. No.Clw/Es/S-31/C With Seimens Make Programme Switch & Limit Switch Type-3Se3-020/023-0Az1 & C Lw Drawing No. Clw/Es/Sk-7/S-31/C As Per Drg.No. Clw Drawing No. Clw/Es/Sk-7/S-31/C Specn: Clw Spec. No.Clw/Es/S-31/C [ Warranty Period: 30 Months After The Date Of Delivery ] ]