Technical Specifications Single Phase (L-N) Three Phase (L-L)
Transformer Type Naturally Air-Cooled for indoor application
Transformation Ratio 1 : 1 (Also Step up/Step down)
Primary Voltage 230 Volts 1 PH (L-N) 415 Volts 3 PH (L-L)
Secondary Voltage 110 V (OR) 230 V 1 PH 200 (OR) 415 V 3 PH (L-L)
Connection - Delta - Star
Input Frequency Range 47 – 53 Hz
Regulation 2 – 4% for 100% change in current @ unity pf
Type of Lamination CRGO (Cold Rolled Grain Oriented)
Working Temperature 0 to 50°C & RH of 95% Non-Condensing at 40°C - Complied
Class of Insulation Class ‘F' for Air Cooled/Class 'B' for Oil-Cooled
Insulation Strength Withstands 2.5 KV for 1 minute
Efficiency > 97 %
DC Galvanic Isolation > 1000 Mega Ohms
Common Mode Noise Rejection > 100 DB
Operating Power Factor 0.75 lagging to 0.75 leading
Input/Output Cable Terminations Suitable termination arrangement for cable terminations and gland plates for fixing cable glands
Standard Product Ratings 1 KVA - 20 KVA Air-Cooled - 3 KVA - 60 KVA
Oil-Cooled - 3 KVA - 500 KVA