Production Advantage
All products are manufactured in our own factory, following international IEC & ISO standards. We support customized parameters, size and technical design to meet diverse project demands.
Applications:
- Power distribution networks
- Industrial facilities
- Renewable energy projects
- Commercial & residential buildings
Key Features:
- High reliability & low maintenance
- Custom voltage & power ratings available
- Compliance with international standards
- Long service life & fire-resistant design
Contact us for technical specifications, quotations and factory audit arrangement.
Dry-Type Transformers
10~35kV Epoxy Resin Dry Transformer
SCB10/SCB11/SCB12/SCB13/SCB14/SCB18 Series
| Rated Power | 16 – 25,000 kVA |
| HV Rated Voltage | 6 – 38.5 kV |
| LV Rated Voltage | 0.315 – 11 kV |
| Tapping Range | ±5%, ±2×2.5% |
| Rated Frequency | 50/60 Hz |
| Connection Group | Dyn11, Yyn0, Yd11 |
| Material | Copper / Aluminum |
| Process | Casting with epoxy resin |
Epoxy resin cast dry-type transformers offering high reliability, low partial discharge, fire-resistant and maintenance-free operation. Suitable for indoor applications in commercial buildings, industrial plants, renewable energy and infrastructure projects.
10kV Amorphous Alloy Dry Transformer
SCBH15/SCBH17/SCBH19 Series
| Rated Power | 50 – 2,500 kVA |
| HV Rated Voltage | 6 – 11 kV |
| LV Rated Voltage | 0.4 kV |
| Tapping Range | ±5%, ±2×2.5% |
| Rated Frequency | 50/60 Hz |
| Connection Group | Dyn11, Yyn0 |
| Material | Copper / Aluminum |
| Process | Casting with epoxy resin |
Amorphous alloy core reduces no-load losses by up to 70% compared to conventional silicon steel cores. Ideal for energy-saving applications where transformers operate at low average loads.
Non-Encapsulated Class H Dry Type Power Transformer
SGB10/SGB11/SGB12/SGB13/SGB14/SGB18 Series
| Rated Power | 50 – 8,000 kVA |
| HV Rated Voltage | 6 – 22 kV |
| LV Rated Voltage | 0.4 kV |
| Tapping Range | ±5%, ±2×2.5% |
| Rated Frequency | 50/60 Hz |
| Connection Group | Dyn11, Yyn0 |
| Material | Copper / Aluminum |
| Process | Nomex dipping (Class H, 180°C) |
Class H insulation with Nomex paper, capable of operating at 180°C temperature rise. Open ventilated design with superior overload capacity and moisture resistance.
Oil-Immersed Transformers
10–20kV Oil-Immersed Transformer
S11/S13/S20/S22 Series
| Rated Power | 10 – 8,000 kVA |
| HV Rated Voltage | 6 – 22 kV |
| LV Rated Voltage | 0.4 kV |
| Tapping Range | ±5%, ±2×2.5% |
| Rated Frequency | 50/60 Hz |
| Connection Group | Dyn11, Yyn0 |
| Material | Copper / Aluminum |
Corrugated tank design with sealed oil preservation system. High efficiency, low losses, excellent heat dissipation. The most widely deployed distribution transformer series for utility and industrial applications.
10kV S13-MRL Oil-Immersed 3D Coil Core Distribution Transformer
S13-MRL Series — Three-Dimensional Triangular Wound Core
| Rated Power | 50 – 2,500 kVA |
| HV Rated Voltage | 6 – 11 kV |
| LV Rated Voltage | 0.4 kV |
| Tapping Range | ±5%, ±2×2.5% |
| Rated Frequency | 50/60 Hz |
| Connection Group | Dyn11, Yyn0 |
| Material | Copper / Aluminum |
Innovative three-dimensional triangular wound core design eliminates gaps in the magnetic circuit. No-load loss reduced by 25-30%, noise reduced by 10-15dB vs conventional stacked core. Compact footprint, lower weight.
35kV–132kV Power Transformer
Medium & High Voltage — Up to 132kV
| Voltage Class | Up to 132 kV |
| Applications | Generator Step-Up (Renewable & Nuclear) |
| Transmission Network Transformers | |
| Distribution Small & Medium Transformers | |
| Custom | Non-standard specifications available on request |
Engineered for generation, transmission and primary distribution networks. Designed to IEC/IEEE standards with on-load tap changers, advanced cooling systems and comprehensive protection.
10kV Amorphous Alloy Oil-Immersed Transformer
SH15/SH21/SH25 Series
| Rated Power | 50 – 2,500 kVA |
| HV Rated Voltage | 6 – 11 kV |
| LV Rated Voltage | 0.4 kV |
| Tapping Range | ±5%, ±2×2.5% |
| Rated Frequency | 50/60 Hz |
| Connection Group | Dyn11, Yyn0 |
| Material | Copper / Aluminum |
Amorphous alloy core in oil-immersed design combines ultra-low no-load losses with proven oil cooling. No-load loss reduced by 65-70% vs conventional silicon steel.
High Overload Oil-Immersed Transformer
S11/S13 High Overload Series — Up to 2× Rated Capacity
| Rated Power | 200 – 2,500 kVA |
| HV Rated Voltage | 6 – 11 kV |
| LV Rated Voltage | 0.4 kV |
| Tapping Range | ±5%, ±2×2.5% |
| Rated Frequency | 50/60 Hz |
| Connection Group | Dyn11, Yyn0 |
| Material | Copper / Aluminum |
| Overload | Up to 2× nameplate rating e.g. S11-1000(2000)/10/0.4 |
Designed for applications with significant seasonal or peak load fluctuations. Built with enhanced cooling and winding design to sustain 2× rated load.
Special Transformers & Regulators
SVR Line Automatic Voltage Regulator
6–35kV Feeder Voltage Regulation
| Voltage Range | 6 – 35 kV |
| Regulation Range | -20% to +10% automatic |
| Installation | Mid/end of feeder line, or substation outlet |
Automatically adjusts transformer ratio by tracking line voltage changes. Installed in series on 6-35kV lines to maintain stable output voltage, reduce line loss, and ensure supply quality for end users.
Energy Storage Converter Booster Machine (American)
PCS + Transformer Integrated Solution
| Components | PCS + Bus Bridge + LV Chamber + Oil Transformer + HV Cable Room |
| Transformer Type | Oil-immersed with load switch + fuse |
| Application | Solar/Wind energy storage and grid integration |
Integrated energy storage converter booster temporarily stores green energy (solar/wind) in battery systems, then inverts to three-phase AC via step-up transformer.
Single-Phase American Transformer
CSA C227.3 & C802.1 Compliant
| Capacity | 15 – 500 kVA |
| Primary Voltage | Up to 34.5 kV |
| Secondary Voltage | 120/240 V |
| Standards | CSA C227.3 & C802.1 Energy Efficiency |
Pole-mounted or pad-mounted design built to North American standards. Ideal for residential and light commercial distribution.
Single-Phase Overhead Transformer
5–167 kVA for Rural Distribution
| Capacity | 5 – 167 kVA (50/60 Hz) |
| Primary Voltage | 2,400 – 34,500 V |
| Secondary Voltage | 120 – 600 V |
| Custom | Non-standard specs on request |
Compact overhead design for rural and remote area distribution networks. Robust weatherproof construction.
Three-Phase American Transformer
45 kVA – 12,000 kVA
| Base kVA | 45 – 12,000 kVA |
| Primary Voltage | 2,400 – 46,000 V |
| Secondary Voltage | 120 – 24,940 V |
| BIL | 30 – 250 kV |
Three-phase pad-mounted or substation-type transformers for commercial and industrial distribution.
Substations & MV Switchgear
YBM-12 Pre-installed Substation (European Type)
10kV Compact Package Substation
| Rated Voltage | 10 kV |
| Max Operating Voltage | 12 kV |
| Rated Frequency | 50 Hz |
| Rated Current | 630 A |
| Dynamic Stable Current | 50 kA |
| Short Circuit Closing Current (Peak) | 50 kA |
| Mechanical Life | 2,000 / 10,000 operations |
Factory-assembled compact substation integrating HV switchgear, transformer and LV distribution in a weatherproof enclosure. European design with ring main unit.
KYN28A-12(24) Metal Switchgear (Centrally Installed)
3–24kV Indoor Metal-Armored Withdrawable
| Rated Voltage | 12 / 24 kV |
| Rated Frequency | 50/60 Hz |
| Application | Receiving & distributing 3-24kV network energy |
| Protection | Microcomputer integrated relay protection |
| Features | Four-remote + Five-prevention safety interlock |
Three-phase AC indoor metal-armored withdrawable switchgear. Central handcart design with vacuum circuit breaker, easy maintenance and high interchangeability.
KYN61-40.5 Armored Removable AC Metal Enclosed Switchgear
35kV Indoor Metal-Clad
| Rated Voltage | 40.5 kV |
| Rated Frequency | 50/60 Hz |
| Circuit Breaker | ZN85-40.5 fully insulated vacuum CB + spring mechanism |
| Construction | Steel spray-plastic assembled cabinet |
| Application | 35kV power plants, substations, industrial distribution rooms |
35kV indoor switchgear with ZN85-40.5 vacuum circuit breaker. Precision handcart guidance system ensures smooth operation.
GTXGN-12(24) Solid Insulated Ring Switchgear
Fully Insulated · Fully Sealed · Maintenance-Free
| Rated Voltage | 12 / 24 kV |
| Rated Frequency | 50/60 Hz |
| Type | Solid insulated vacuum switchgear |
| Applications | Urban residential, airports, metro, wind power, hospitals, railways, tunnels |
Simple structure, flexible operation, reliable interlocking. Particularly suitable for high altitude, high temperature, hot-humid, severe cold and heavily polluted environments.
RM6-12(24) Combined Fully Enclosed Insulated Ring Net Cabinet
SF6 Gas Insulated — Modular — >30 Years Design Life
| Rated Voltage | 12 / 24 kV |
| Rated Frequency | 50/60 Hz |
| Insulation | SF6 gas insulated, stainless steel sealed enclosure |
| Configuration | Fixed unit + expandable unit combinations |
| Design Life | >30 years (indoor, 20°C) |
Modular SF6 gas insulated ring switchgear. All live parts enclosed in stainless steel — completely sealed, unaffected by external environment. Full modular expandability.
DFW-12 Outdoor Cable Branch Cabinet
10–35kV Cable Distribution Node
| Voltage | 10 – 35 kV |
| Insulation | Imported rubber tightly wrapped, no exposed live parts |
| Switching | SF6 insulated load switches (switch type) |
| Protection | IP33 |
| Applications | Urban, residential, commercial centers, mining, steel, automotive, petroleum, chemical, cement |
Main electrical equipment for cable collection and tapping from switchgear in 10-35kV systems. High-grade insulation with no exposed live body.
JP Outdoor Multi-Functional Integrated Distribution Box
Metering + Distribution + Reactive Power Compensation
| Functions | Metering, outgoing lines, reactive power compensation |
| Protection | Short circuit, overload, overvoltage, leakage |
| Installation | Pole-mounted on outdoor distribution transformer |
Compact, economical outdoor integrated distribution device. New generation ideal distribution product for urban and rural grid modernization.
Low-Voltage Switchgear
GCK(L) LV Draw-Out Switchgear
380V Three-Phase Five-Wire System
| Rated Working Voltage | 380 V |
| Rated Frequency | 50/60 Hz |
| System | Three-phase five-wire |
| Applications | Power plants, substations, industrial & mining, high-rise buildings |
| Functions | Power supply, feed, reactive compensation, energy metering, lighting, motor control |
Draw-out type LV switchgear for power reception and distribution in power systems. Modular design with high operational reliability.
GCS LV Draw-Out Switchgear
Up to 4000A — For High Automation Applications
| Rated Working Voltage | 380V (400V), 660V |
| Rated Frequency | 50/60 Hz |
| Rated Current | Up to 4,000 A |
| Applications | Power plants, petrochemical, metallurgy, textile, high-rise buildings |
Designed for large power plants and petrochemical systems with high automation and computer interface requirements. Suitable for systems up to 4000A.
GGD LVAC Power Distribution Cabinet
Fixed Type — Up to 3150A / 50kA
| Rated Working Voltage | 380 V |
| Rated Frequency | 50/60 Hz |
| Rated Current | Up to 3,150 A |
| Rated Short-Time Withstand Current | Up to 50 kA |
| Applications | Power plants, substations, industrial & mining enterprises |
Fixed-type LV distribution cabinet with high breaking capacity. Used for power conversion, distribution and control.
MNS Low Voltage Pull-Out Switchgear
Modular · Multi-Functional · Up to 4000A
| Rated Voltage | 380 V |
| Rated Frequency | 50/60 Hz |
| Rated Current | Up to 4,000 A |
| Applications | Metallurgy, petroleum, chemical, industrial & mining, infrastructure |
Modular, multi-functional low-voltage distribution cabinet for all low-voltage systems requiring high reliability.
Circuit Breakers & Components
ZN63A-12/24CG Indoor HV Vacuum Circuit Breaker
12/24kV — 630~4000A
| Rated Voltage | 12 / 24 kV |
| Max Operating Voltage | 12 / 24 kV |
| Rated Current | 630 – 4,000 A |
| Rated Heat Stabilization Time | 4 s |
| Mechanical Life | 20,000 operations |
| Contact Opening Distance | 11±1 mm |
| Closing Time | 0.1 s |
Indoor vacuum circuit breaker for 12/24kV switchgear panels. Rated 630–3,150A with 20–40kA short-circuit breaking capacity. Compact chassis design with integrated spring-operated mechanism for reliable MV power distribution protection.
ZN63A-12/24 Indoor HV Vacuum Circuit Breaker
12/24kV — 630~3150A
| Rated Voltage | 12 / 24 kV |
| Max Operating Voltage | 12 / 24 kV |
| Rated Current | 630 – 3,150 A |
| Mechanical Life | 20,000 operations |
| Contact Opening Distance | 11±1 mm |
| Switching Time | ≤50 ms |
| Closing Time | ≤100 ms |
Standard indoor vacuum circuit breaker for 12/24kV MV switchgear. Rated 630–3,150A, 20–40kA breaking capacity. Proven design with high mechanical endurance and low maintenance requirements.
ZN63A-40.5 Indoor HV Vacuum Circuit Breaker
40.5kV — 1250/2000A
| Rated Voltage | 40.5 kV |
| Lightning Impulse Withstand (Peak) | 185 kV |
| Rated Frequency | 50/60 Hz |
| Rated Current | 1,250 / 2,000 A |
| Rated Short Circuit Duration | 4 s |
| Mechanical Life | 10,000 operations |
Indoor vacuum circuit breaker rated for 40.5kV systems. Designed for MV/HV substation and industrial applications requiring higher voltage class protection up to 2,500A and 31.5kA.
FZRN25-12/24D/T Indoor HV Vacuum Loadbreak Switch & Fuse Combination
12/24kV — 630A/125A
| Rated Voltage | 12 / 24 kV |
| Rated Frequency | 50/60 Hz |
| Rated Current | 630 A / 125 A |
| 4s Heat Stable Current | 20 kA |
| Rated Short-Circuit Closing Current | 50 kA |
| Mechanical Life | 10,000 operations |
Indoor vacuum loadbreak switch with integrated fuse protection for 12/24kV systems. Combines switching and protection in one unit, suitable for transformer and cable feeder protection in MV switchgear.
FKRN12-12/24D/T Indoor HV Vacuum Loadbreak Switch & Fuse Combination
12/24kV — 630A
| Rated Voltage | 12 / 24 kV |
| Rated Frequency | 50/60 Hz |
| Rated Current | 630 A |
| Rated Dynamic Stable Current (Peak) | 50 kA |
| 4s Heat Stable Current | 20 kA |
| Mechanical Life | 10,000 operations |
Indoor vacuum loadbreak switch with fuse combination for 12/24kV distribution systems. Compact design providing both load switching and short-circuit protection for transformer circuits.
ZW32 Outdoor HV Vacuum Circuit Breaker
12/24kV — 630A/1250A
| Rated Voltage | 12 / 24 kV |
| Rated Frequency | 50/60 Hz |
| Rated Current | 630 A / 1,250 A |
| Rated Short Circuit Breaking Current | 20 / 25 kA |
| Mechanical Life | 10,000 operations |
Outdoor pole-mounted vacuum circuit breaker for 12/24kV overhead distribution lines. Rated 630A with 20/25kA breaking capacity. Weatherproof design with integrated CT and protection relay for automatic fault isolation.
ZW20AF HV Vacuum Circuit Breaker
12/24kV — 630A/1000A
| Rated Voltage | 12 / 24 kV |
| Rated Frequency | 50/60 Hz |
| Rated Current | 630 / 1,000 A |
| Rated Switching Current Peak | 50 / 63 kA |
| 4s Heat Stable Current | 20 / 63 kA |
| Mechanical Life | 10,000 operations |
Outdoor auto-recloser type vacuum circuit breaker for 12/24kV distribution networks. Features integrated controller for automatic fault detection, isolation and service restoration. Rated 630/1,000A.