Current Transformer (CT)- CAST RESIN
We cover practically all possible combinations of ratios, burdens, accuracy classes and voltages up to and including 36 kV indoor and outdoor (with special Resin) type.
Applicable Standard
- IS 2705/1992
- IS 16227-2
- IEC 61869-2
- IEEE -C57.13
| TECHNICAL SPECIFICATIONS For CT -CAST RESIN | |
|---|---|
| Reference Standard | BIS, IEC, IEEE |
| Voltage Class | Upto 3.6kV / 12kV / 24kV / 36kV |
| Rated Primary Current | Upto 30000A |
| Rated Secondary Current | 5A or 1A |
| Short Time Current | 50 kA |
| Insulation Class | A, B, F, H, C |
| Burden | As Specified by Customer |
| Metering Accuracy Class | 0.2S, 0.2, 0.5S, 0.5, 1.0 & 3.0 |
| Protection Accuracy Class | 5P, 10P & 15P |
| Frequency | 50 Hz & 60 Hz |













Voltage Transformer (VT/PT)- CAST RESIN
We cover practically all combinations of ratios, burdens, accuracy classes and voltages up to 36kV.
Applicable Standard
- IS 3156
- IS 16227-3
- IEC 61869-3
- IEEE -C57.13
| TECHNICAL SPECIFICATIONS VT/PT-CAST RESIN | |
|---|---|
| Reference Standard | BIS, IEC, IEEE |
| Voltage Class | Upto 36kV |
| Test Voltage | 70kV RMS & 170 kV Peak |
| Voltage Factor | 1.2 Cont. & 1.9 for 8Hrs |
| Insulation Class | F, H |
| Burden | Upto 500VA |
| Metering Accuracy Class | 0.2, 0.5, 1.0 & 3.0 |
| Protection Accuracy Class | 3P, 6P |
| Frequency | 50Hz & 60Hz |
NGT UPTO 36KV, 500KVA
- Suitable for systems up to 36kV.
- Power rating up to 500kVA.
- Designed as a Neutral Grounding Transformer (NGT).
- Limits earth fault current and improves system protection.
- High thermal and dielectric strength.
- Low maintenance and long service life.
- Manufactured according to BIS, IEC & IEEE standards.
- Copper or Aluminium winding options.
- Indoor and outdoor installation available.
- Reliable performance under continuous operation.
| TECHNICAL SPECIFICATIONS | |
|---|---|
| Reference Standard | BIS, IEC, IEEE |
| Voltage Class | 36kV |
| Test Voltage | 70kV RMS & 170kVp upto |
| Insulation Class | F, H |
| Frequency | 50Hz & 60Hz |



Winding Set And DT,ET,SAT,UAT, and special Transformer Up To 36KV,30MVA
- All Special transformers up to 36kV, 30MVA
Supports DT, ET, SAT, UAT & Special Transformer applications
High-efficiency copper/aluminium winding design
Single & three-phase models with multiple cooling options
Reliable voltage transformation, grounding, and auxiliary power supply
IEC, BIS & IS compliance with long service life and low maintenance



| TECHNICAL SPECIFICATIONS DT,ET,SAT,UAT | |
|---|---|
| Ratings | Upto 30 MVA |
| Voltage Class | 36kV |
| Frequency | 50Hz & 60Hz |
| No of Phase | Single & Three Phase |
| Cooling | AN / AF / ONAN |
| Vector Group | As Per Customers Requirement |
| Winding Material | Aluminum / Copper |
| Type | Strip / Foil / Wire |
| Tappings | OCTC / OCTL / OLTC |
| Insulation Class | A, B, F, H |
| Applicable Standard |
IEC 60076 Part-11, 20 BIS 2026 Part-11 ECBC Norms |
| Protection | IP 00, IP 23, IP 54 |
MULTI SECONDARY TRANSFORMER
- Supports 12 Pulse to 96 Pulse rectifier configurations.
- Designed for Rectifier, Electrolyser, and Variable Frequency Drive (VFD) applications.
- High efficiency with low harmonic distortion.
- Available in single-phase and three-phase configurations.
- Custom-designed multiple secondary
- windings as per customer requirements.
- Copper or aluminium winding options.
- Excellent voltage regulation and reliable performance.
- Robust construction for long service life.
- Low maintenance and high operational reliability.
- Manufactured as per BIS, IEC, and IEEE standards.



Reactor: Air Core & Iron Core (GAP)
- Designed for current limiting, harmonic filtering, and reactive power compensation in power systems.
- Available in Air Core and Iron Core (Gap) designs with current ratings up to 16,000 A and voltage ratings up to 66 kV.
- Provides stable inductance with low losses, ensuring reliable performance under varying load conditions.
- Suitable for capacitor banks, harmonic filters, neutral grounding, and industrial power networks.
- Engineered with high-grade insulation and robust construction for long service life and low maintenance.
- Designed in compliance with IEC, BIS & IS standards for safe and dependable operation.



| TECHNICAL SPECIFICATIONS | |
|---|---|
| CURRENT RATING | Upto 10600 Amp |
| VOLTAGE CLASS | Upto 66kV |
| FREQUENCY | 50Hz & 60Hz |
| NO OF PHASE | Single & Three |
| COOLING | AN/AF |
| INSTALLATION | Indoor / Outdoor |
| WINDING | Aluminium / Copper |
| MATERIAL | Strip / Foil |
| INSULATION CLASS | F & H |
| APPLICABLE STANDARD |
IS2026 Part 6 : 2017 & IEC60076 Part 6 : 2007 |
| PROTECTION | IP 00 |
I-SCS With OLTC upto 36KV Class
- Integrated Smart Compact Substation (i-SCS) with OLTC designed for efficient power distribution up to 36kV and 10MVA.
- Equipped with On-Load Tap Changer (OLTC) to regulate output voltage without interrupting power supply.
- Combines transformer, switchgear, protection, and control systems into a compact, space-saving enclosure.
- Available in single-phase and three-phase configurations with AN/AF cooling options.
- Provides reliable voltage regulation, enhanced system protection, and uninterrupted power distribution.
- Designed for indoor and outdoor installation with robust construction and low maintenance requirements.
- Manufactured in accordance with IEC 60076, BIS 2026 & IS standards for safe and dependable operation.


| TECHNICAL SPECIFICATIONS | |
|---|---|
| Ratings | Upto 10 MVA |
| Voltage Class | 36kV |
| Frequency | 50Hz & 60Hz |
| No of Phase | Single & Three Phase |
| Cooling | AN/AF/ONAN |
| Vector Group | As Per Customers Requirement |
| Winding Material | Aluminium / Copper |
| Type | Strip / Foil / Wire |
| Tappings | OCTC / OCTL / OLTC |
| Insulation Class | A, B, F, H |
| Applicable Standard |
IEC 60076 Part-11, 20 BIS 2026 Part-11 ECBC Norms |
| Protection | IP 00, IP 23, IP 54 |
ISOLATOR CUBICAL
- Designed for safe isolation and switching of electrical circuits up to 36kV in medium-voltage power systems.
- Provides a visible isolation gap to ensure personnel safety during maintenance and servicing.
- Available in indoor and outdoor metal-clad cubicle designs with manual or motorized operation.
- Ensures reliable switching, system protection, and uninterrupted operation of substations and industrial networks.
- Built with high mechanical strength, excellent electrical endurance, and a low-maintenance design for long service life.
- Manufactured in compliance with IEC, BIS & IS standards, delivering safe, efficient, and dependable performance.




Oil Surge And Gas Operated Relay (Buchholz Relay)
- Unique proprietary connection bushing to ease out connections at site. It can accommodate 3 switches of NO/NC like Alarm, Trip, Scada signal or 2 switches of change over type.
- Reliable, time-tested magnetic reed switch of various ratings.
- Unique internal design to prevent falls alarm due to air traps on top of the relay.
- Anti-vibration mounting pads to give high stability against mechanical shocks and vibrations.







| TECHNICAL SPECIFICATIONS For Oil Surge OR | |
|---|---|
| Reference Standard | BIS, IEC, IEEE |
| Voltage Class | Upto 36kV |
| Test Voltage | 70kV RMS & 170kV Peak |
| Voltage Factor | 1.2 Continuous & 1.9 for 8 Hours |
| Insulation Class | F, H |
| Burden | Upto 500VA |
| Metering Accuracy Class | 0.2, 0.5, 1.0 & 3.0 |
| Protection Accuracy Class | 3P, 6P |
| Frequency | 50Hz & 60Hz |


High Voltage Test Set (HiPot Tester)
- Input: 230AC,1 PHASE,50HZ
- Output: 0-70KV
- Monocoque Design upto 5kv & Two part set upto 75kv
Oil/Liquids Breakdown voltage Test Set (BDV)
- Input: 230AC,1 PHASE,50HZ
- Output: 0-100KV
- Suitable for Fluid: As per IS 335, IEC 60296, IEC 62770, IEC 61099, IEC 60836
- TESTING: As per IEC 60156







Solid State Earth Leakage Relay with CBCT (ELR)
- Earth Leakage Relays are used to detect potentially dangerous earth leakage fault currents & isolate the load by tripping the relay before they cause any hazard.
Applicable Standard
- IEC 60755
- IEC 62020