Supply Of Class B & C Surge Protection Device (Spd).Supply Of Class B & C Surge Protection Device (Spd).,Supply Of Class B & C Surge Protection Device (Spd) -Type I & Ii With Visual Indication And Po Tential Free Contact To Remote Monitoring As Per Specification No. Rdso/Spn/165/2012 Ver 3.0 Or Latest And Iec Standard 61643 For Single Line 230V Ac Application With Handling Lightning Surges Of 10/350 Microseco Nds And Switching Surges Of 8/20 Microseconds .One Set Consists Of 3 Nos. Of Spd (2 No. Of B Class (L-N, N-E ) And One No. Of C Class (L-N) All Enclosed In A Box With Kema Or Vde Certified As Per Latest Iec 61643-11-2 011 Standard. Class B &C Surge Protection Device Required With Three Modules Only.Installation Of Class B & C Surge Protection Should Be As Per The Tan No:- Sts/E/Tan/3006, Version- 3.0 ; Dated:- 08.01.2025 (Tan Specs Attached As Annexure.) [ Warranty Period: 30 Months After The Date Of Delivery ] ]