Instrument Transformer Series
Current transformers, potential transformers, and high-voltage combined metering units (MOF) from 0.5kV to 35kV. Precision metering up to Class 0.2S and reliable relay protection.
0.5 kV – 40.5 kV · CT / PT / MOFMatched Products
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Instrument Transformers · Combined Metering Units (MOF/JLS)
Integrated high-voltage prepayment power metering station (YFJLSZV-10W / JLS-10). Combines precision combined CT/PT metering units, an intelligent...
Instrument Transformers · Current Transformers (CT)
Through-busbar cast resin current transformer (LMZBJ9-10 / LMZB3-10) with large window opening for copper and aluminum busbars in medium-voltage...
Instrument Transformers · Ring Main Unit & Zero-Sequence CTs
XinHuan LXK and LMZK series open-type split-core zero-sequence current transformers for medium-voltage cable earth fault protection and...
Instrument Transformers · Voltage Transformers (PT/VT)
Compact indoor epoxy cast single-phase voltage transformer (JDZC-10 / JDZ10-10) for switchgear installation. Features low excitation loss,...
Instrument Transformers · Combined Metering Units (MOF/JLS)
Pole-mounted outdoor epoxy resin-insulated combined instrument transformer (JLSZV-10F / JLSZW-10). Combines high-accuracy CTs and PTs in a...
Instrument Transformers · Current Transformers (CT)
XinHuan post-type current transformer (LDBJ9-40.5 / LCZ-35) designed for and utility transmission substations and industrial main receiving...
Instrument Transformers · Ring Main Unit & Zero-Sequence CTs
Compact solid-insulated and gas-insulated switchgear (GIS) voltage transformer (JDZX16-35R / JDZX16-20R / JSZV12A-10R) engineered for compact SF6...
Instrument Transformers · Voltage Transformers (PT/VT)
XinHuan JDZ(F)W-10 and JDZXW-10 outdoor voltage transformers cast from UV-resistant, hydrophobic cycloaliphatic epoxy resin. Designed for...
Instrument Transformers · Combined Metering Units (MOF/JLS)
XinHuan JLSZV-35 and JLSZY-35W outdoor dry-type combined metering transformers (Metering Outfits / MOF) integrate two or three voltage...
Instrument Transformers · Current Transformers (CT)
Outdoor heavy-duty current transformer (LZW-35 / LZZBW-35) engineered with weather-resistant cycloaliphatic epoxy resin or high-grade silicone...
Instrument Transformers · Voltage Transformers (PT/VT)
Three-phase five-column indoor cast resin voltage transformer (JSZJK-10Q / JSZWK-10R) with built-in anti-ferroresonance characteristics....
Instrument Transformers · Current Transformers (CT)
XinHuan / indoor post-type cast resin current transformer (LZZBJ9-10A1/A2G/QB6) widely used in KYN28A-12, XGN, and ABB UniGear medium-voltage...
Factory Facility & Verification
Direct visual proof of XinHuan's manufacturing capability in Hefei, China. Unedited photographs showing our finished distribution transformer workshop, marked finished products area, cast resin dry-type stock, and export container loading.
Real completed units staged in orderly rows, ready for final project inspection, FAT witnessing, and international dispatch.
F/H-class cast resin coils and harmonic mitigation dry-type distribution transformers in stock.
Clear production-stage segregation and routine quality verification for procurement teams prior to container packaging.
Precision silicon steel core stacking, copper coil winding assembly, and tank fabrication.
Heavy-duty vacuum autoclave drying process ensuring zero residual moisture in coil insulation.
Direct container packing and heavy-duty ocean freight loading outside our Hefei facility.
Quality & Compliance
Every transformer, compact substation, and switchgear unit is engineered under audited ISO quality management systems and type-tested according to IEC 60076 and ANSI C57 international standards.
Certified Quality Management System covering design, coil winding, vacuum drying, oil filling, and routine testing of 10kV–35kV distribution transformers.
Environmental Management System certifying low-loss eco-designed core assemblies, zero PCB insulation oil, and environmentally safe production controls.
Occupational Health and Safety Management System ensuring safety containment in high-voltage testing bays and factory assembly protocols.
Complete routine and type test records (temperature rise, impulse voltage withstand, short-circuit withstand) conducted at CNAS-accredited national research institutes.
On-site factory audit certificate by SGS / Made-in-China, verifying manufacturing premises, export capacity, assembly lines, and legal qualification.
Verified annual supply performance and delivery certificate for overseas power grid EPC and industrial infrastructure projects (Mozambique, Nigeria, Kenya, SEA).
Factory & Testing
Factory tours, transformer testing, and production walkthroughs straight from our Hefei manufacturing base.
Hefei manufacturing base, automated workshops, and high-voltage testing laboratory.
100% IEC 60076 voltage ratio, winding resistance, and dielectric routine testing.
Epoxy resin vacuum casting, partial discharge testing, and temperature monitoring.
Compact outdoor substation assembly with loop-feed and dead-front safety design.
Automated coil winding, precision core stacking, and vacuum drying chambers.
Vacuum circuit breakers, copper busbar routing, and relay protection cabinets.
Prefabricated kiosk substation panel wiring, RMU integration, and LV distribution.
Copper foil winding, vacuum resin casting molds, and core-coil assembly.
