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Off Load Distribution Transformer

We manufacture ISI approved offload distribution transformer starting from 250 KVA to 2500 KVA under BIS-1180(Jan 2016) and above 2500 KVA up-to 5000 KVA under IS-2026 of all voltage class and covering all level of efficiency.

  • Designed for minimum 25 years for 24 x 7 duty with negligible maintenance and silent operation.
  • Indoor/ Outdoor Pad Mounted
  • Copper Winding with multiple paper covering

Features Of Off Load Transformer

Type Indoor/ Outdoor Pad Mounted
Voltage Class 3.3, 6.6, 11, 22, 33 Kv or special class by customer
Vector Group Dyn11, Dyn5, Dyn1 or other specified by customer
No. of phase 3 phases
Frequency 50/60 Hz
Tap Range ±7.5 %, +5% in 2.5% steps or as per requirement of customer.
Winding Material Copper with multiple paper covering
Applicable Standards BIS-1180, IS-2026, IEC 60076
Painting Epoxy, Polyurethane or specified by customer

Applications

HOTELS / RESORTS
FORGING INDUSTRY
HOSPITALS
ENGINEERING INDUSTRIES
FOOD INDUSTRY
AUTOMOBILE INDUSTRY
CERAMIC INDUSTRY
PLASTIC INDUSTR
MINING INDUSTRY
PHARMA INDUSTRY

Maximum Total Losses Upto 11 kV Class Transformers As Per BIS-1180

Sr. No. KVA Impedance % Maximum Total Loss (W) @ 75˚ Celsius
LEVEL 1 LEVEL 2 LEVEL 3
50% 100% 50% 100% 50% 100%
1 250 4.5 1050 3150 980 2930 920 2700
2 315 4.5 1100 3275 1025 3100 955 2750
3 400 4.5 1300 3875 1225 3450 1150 3330
4 500 4.5 1600 4750 1510 4300 1430 4100
5 630 4.5 2000 5855 1860 5300 1745 4850
6 800 5.0 2459 7300 2287 6402 2147 5837
7 1000 5.0 3000 9000 2790 7700 2620 7000
8 1250 5.0 3600 10750 3300 9200 3220 8400
9 1600 6.25 4500 13500 4200 11800 3970 11300
10 2000 6.25 5400 17000 5050 15000 4790 14100
11 2500 6.25 6500 20000 6150 18500 5900 17500
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