ELECTRO SAVIOR Brand
ISO 9001:2015 Certified Co.
Made as per confirming to IS 4770 / EN 60903 / ASTM 120 D type 1, type 2, type 3, type 4
Approved from ERDA – Electrical Research & Development Association
Accredited by the NABL, Govt. of India & INTERTEK (ASTA), UK
Flow chart of type testing as per IS 4770/1991 is given below
TYPE Proof (test) Voltage (rms) Working Voltage (rms) max.
1 5000volts 650 volts
2 10000volts 1100volts
3 17000volts 7500volts
4 25000volts 17000volts
On customer request
5 33000volts 7500volts
6 33000volts 11000volts