60Hz ANSI/IEEE Transformers — 60Hz ANSI Transformer Manufacturer China — 13.8kV 34.5kV | XinHuan

Standard — ANSI/IEEE C57.12 · 60 Hz

60Hz ANSI/IEEE Transformers

Latin America, North America, and parts of Asia operate on 60 Hz with ANSI/IEEE C57.12 voltage classes: 13.8 kV and 34.5 kV are the dominant distribution standards. XinHuan manufactures 60 Hz ANSI-configured oil-immersed transformers (75–3000 kVA) for utility and EPC projects in the region.

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75–3000
kVA range
60 Hz
frequency
ANSI/IEEE
C57.12 standard
24h
quote response

Product Range

60Hz ANSI/IEEE Transformers — 19 Models Available

Standard and custom capacities available for global utility, industrial, and commercial projects. View complete catalog →

Browse All 19 Models in Catalog

Technical Overview

ANSI/IEEE C57.12 — The Americas Standard

ANSI/IEEE C57.12 is the governing transformer standard for North and Latin America. Key differences from IEC 60076 include voltage class definition by BIL (Basic Impulse Level) rather than Um, 60 Hz frequency, and different standard voltage classes: 13.2 kV, 13.8 kV, and 34.5 kV are the most common in Latin America.

XinHuan produces ANSI/IEEE-configured oil-immersed transformers at 13.8 kV and 34.5 kV in a 60 Hz winding configuration. Test reports follow IEEE C57.12.90 format. Nameplates use ANSI conventions. Loss measurements are referenced to 85°C (vs 75°C for IEC).

These products are targeted at utility distribution projects in Brazil, Colombia, Chile, Peru, Ecuador, Bolivia, and other Latin American markets where ANSI/IEEE is the project specification standard. Not sure which standard your project uses? See our IEC vs ANSI comparison guide.

60Hz ANSI/IEEE Transformers — Key Specifications

  • Rated Voltage

    13.8 kV or 34.5 kV high voltage (primary)

  • Low Voltage

    0.208 kV, 0.277 kV, 0.48 kV, 4.16 kV

  • Capacity Range

    75 kVA – 3000 kVA

  • Standard

    ANSI/IEEE C57.12.00 / C57.12.90

  • Frequency

    60 Hz

  • Cooling

    ONAN (OA) standard

  • Vector Group

    Delta-Wye or Wye-Delta per ANSI convention

  • Loss Reference Temp.

    85°C (ANSI standard)

IEC / IEEE Reference Data

60Hz ANSI/IEEE Transformers — Standard Capacity & Loss Parameters

Request Custom Datasheet
60Hz ANSI/IEEE Transformers — Standard Capacity (kVA), No-Load Loss (P0), Load Loss (Pk), Impedance (Uk%), and Weight Specification Table
Rated Capacity Voltage Ratio (HV / LV) No-Load Loss (P0) Load Loss (Pk) Impedance (Uk%) No-Load Current (I0%) Approx. Total Weight
75 kVA 13.8 kV / 480Y/277V 165 W 980 W 2.5% 1.2% 520 kg
150 kVA 13.8 kV / 480Y/277V 290 W 1,750 W 3.0% 1.0% 890 kg
225 kVA 13.8 kV / 480Y/277V 390 W 2,400 W 3.5% 0.9% 1,180 kg
300 kVA 13.8 kV / 480Y/277V 480 W 2,950 W 4.0% 0.8% 1,450 kg
500 kVA 13.8 kV / 480Y/277V 720 W 4,400 W 4.5% 0.7% 2,100 kg
750 kVA 13.8 kV / 480Y/277V 980 W 6,200 W 5.75% 0.6% 2,850 kg
1000 kVA 13.8 kV / 480Y/277V 1,220 W 7,900 W 5.75% 0.6% 3,500 kg
1500 kVA 13.8 kV / 480Y/277V 1,680 W 11,200 W 5.75% 0.5% 4,800 kg
2000 kVA 13.8 kV / 480Y/277V 2,150 W 14,800 W 6.0% 0.5% 5,950 kg
2500 kVA 13.8 kV / 480Y/277V 2,580 W 17,900 W 6.0% 0.4% 7,100 kg
3000 kVA 34.5 kV / 480Y/277V 3,100 W 21,500 W 6.5% 0.4% 8,400 kg

Guaranteed parameters based on standard factory testing. Custom loss levels (Tier-2 Ecodesign, DOE 2016, and high-efficiency low-noise designs) are engineered on request.

60Hz ANSI/IEEE Transformers — 3D Engineering Anatomy Cutaway

High-precision 3D component breakdown of 60Hz ANSI/IEEE Transformers illustrating CRGO silicon steel core assembly, electrolytic copper windings, insulation, and protection accessories.

60Hz ANSI/IEEE Transformers internal 3D cutaway showing silicon steel core, copper windings, and tap changer
60Hz ANSI/IEEE Transformers — Internal Core, Winding & Dielectric Assembly
High-Grade Silicon Core
Electrolytic Copper Coil
Off-Circuit / OLTC Tap Switch
Buchholz & Temp Relays

60Hz ANSI/IEEE Transformers — Factory Acceptance Testing (FAT)

Watch routine factory testing and quality control inspections inside XinHuan's manufacturing facility.

100% full routine tests (IEC 60076) conducted before export packing.

Engineering Submittal & Layout Workbench

Substation Room Fit & Multi-Equipment CAD Footprints

Select your equipment type and capacity to inspect verified GA engineering CAD line drawings, Single Line Diagrams (SLD), dimensions (L × W × H), roller gauge, and submittal clearances before procurement.

Available Ratings:
IEC 60076-1 Submittal Specs
XinHuan Engineering GA CAD Drawing
XinHuan Engineering Single Line Diagram (SLD)
11kV / 33kV Dual Voltage
IEC 60076 / IEEE Compliant
100% Routine Factory Tested
Export Nitrogen / Seaworthy Pack

1000 kVA Technical Dimensions

IEC 60076-1

International utility & industrial submittal specifications

Overall Length (L) 1,750 mm
Overall Width (W) 1,120 mm
Overall Height (H) 1,780 mm
Roller Wheel Track Gauge (D) 820 mm
Total Equipment Net Weight 3,820 kg
Min Substation Clearance 1,000 mm surrounding
Rated Voltage / System 11 kV / 33 kV Dual Primary
Applicable Standard IEC 60076-1 / IEEE C57
Download Technical Data Sheet (PDF) Request Factory Engineering Submittal Package

Full CAD DXF/DWG vector footprints, 3D STEP models, and custom project submittals provided within 2 hours upon request.

Quality & Compliance

Certified B2B Manufacturing & Laboratory Performance

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.

IAF / CNAS Accredited

ISO 9001:2015 Quality System

Certified Quality Management System covering design, coil winding, vacuum drying, oil filling, and routine testing of 10kV–35kV distribution transformers.

Environmental System

ISO 14001:2015 Environmental

Environmental Management System certifying low-loss eco-designed core assemblies, zero PCB insulation oil, and environmentally safe production controls.

Occupational Health

ISO 45001:2018 Safety System

Occupational Health and Safety Management System ensuring safety containment in high-voltage testing bays and factory assembly protocols.

CNAS Lab Type Tests

IEC 60076 & GB Type Tests

Complete routine and type test records (temperature rise, impulse voltage withstand, short-circuit withstand) conducted at CNAS-accredited national research institutes.

SGS Audited Supplier

SGS Verified Manufacturer Audit

On-site factory audit certificate by SGS / Made-in-China, verifying manufacturing premises, export capacity, assembly lines, and legal qualification.

≥180 Units/Yr Export

International Delivery Certificate

Verified annual supply performance and delivery certificate for overseas power grid EPC and industrial infrastructure projects (Mozambique, Nigeria, Kenya, SEA).

Technical Q&A

Frequently Asked Questions — 60Hz ANSI/IEEE Transformers

IEEE C57.12.00 defines 85°C as the reference temperature for load losses in 65°C average winding rise transformers (incorporating standard 20°C ambient), whereas IEC 60076-1 references load losses at 75°C. When comparing loss guarantees between Chinese and Western suppliers, XinHuan provides mathematical temperature conversions so consultants can evaluate bids on an exact apples-to-apples basis.

For 15 kV nominal class (13.8 kV / 13.2 kV / 12.47 kV), standard BIL is 95 kV crest. For 25 kV nominal class, standard BIL is 125 kV or 150 kV. For 34.5 kV / 35 kV class, standard BIL is 150 kV or 200 kV crest per IEEE C57.12.00 Table 4.

Common commercial and industrial secondary voltages include 480Y/277V (standard 3-phase 4-wire for industrial plants and motors), 208Y/120V (commercial offices and lighting), 220Y/127V (Mexico and Brazil), and 380Y/220V. Custom dual-voltage secondary arrangements are available upon request.

ANSI standards designate polarity and angular displacement based on high-voltage and low-voltage winding vector diagrams, typically with LV winding lagging HV by 30 degrees (analogous to IEC Dyn1). XinHuan nameplates feature dual ANSI / IEC vector markings to eliminate wiring errors during site commissioning.

Yes. We offer Cargill Envirotemp FR3 natural ester dielectric fluid as an option. FR3 has a fire point >300°C (K-class fluid per IEC 61039 / IEEE C57.147), allowing indoor or close-to-building installation without expensive fire deluge walls, and is 100% biodegradable.

Routine tests include: resistance measurements of all windings, ratio test at all tap positions, polarity and phase-relation tests, no-load losses and excitation current at rated voltage, impedance and load loss at rated current, applied potential test, and induced potential test. Certified factory test reports accompany all export units.

Yes, we can design transformers with 50/60 Hz dual frequency rating. Operating a 60 Hz transformer on 50 Hz causes flux density to rise by 20%, which would overheat a standard core; our dual-rated designs feature oversized magnetic cores to ensure safe continuous operation at either frequency.

Please specify: kVA capacity, primary voltage (e.g. 13.8kV or 34.5kV), secondary voltage (e.g. 480Y/277V), vector configuration, mineral oil or FR3 fluid, quantity, and destination seaport (e.g., Manzanillo, Callao, Valparaíso, Santos, Guayaquil, Barranquilla) for a complete factory-direct CIF quote in 24 hours.

Export Markets

Where 60Hz ANSI/IEEE Transformers Are Supplied

🌎

Latin America

60Hz ANSI/IEEE is the standard for Brazil, Colombia, Chile, Peru and most of Latin America.

Market guide

Engineering Reference Silo

Transformer Category Pillars & International Standards

China Transformer Manufacturer Export Hub
11kV Distribution Transformers IEC 60076

50–3150 kVA · IEC 60076 S11/S13/S20 hermetically sealed oil-immersed units with P0/Pk loss tables.
33kV Power & Feeder Transformers 170kV BIL

100 kVA–31.5 MVA · 170 kVp BIL lightning impulse & ONAN/ONAF cooling for utility grids.
60Hz ANSI/IEEE C57 Transformers ANSI C57.12

75–3000 kVA · 13.2kV / 13.8kV / 34.5kV DOE 2016 compliant for North & Latin America.
Pad-Mounted Transformers (ANSI) Dead-Front

75–3000 kVA · IEEE C57.12.34 tamper-resistant dead-front loop & radial feed cabinets.
2500 kVA Substation Transformers 2.5 MVA

2.5 MVA heavy industrial oil & cast resin units with Uk=6% short-circuit impedance.
11kV Cast Resin Dry-Type (SCB14) E2/C2/F1

100–3150 kVA · IEC 60076-11 Class F/H epoxy cast resin, E2/C2/F1 fire-safe, <5 pC PD.
Turnkey Compact Substations IEC 62271

100–3150 kVA · IEC 62271-202 prefabricated YBM European kiosk with MV RMU & LV panels.
Medical IT Isolation Transformers <150μA IT

3.15–100 kVA · IEC 60601-1 & IEC 61558-2-15 <150μA leakage for hospital operating rooms.
Harmonic K-Factor Transformers K-13 / K-20

50–2500 kVA · UL 1562 K-4 / K-13 / K-20 with 200% double neutral for data centers & VFDs.
Engineering Link Magnets & CAD Resources:
DWG / CAD Outline Drawings 1MVA & 2MVA Dry-Type Spec Sheet 10kV SCB13 Low-Loss Guide Solar & Wind Step-Up Units Short-Circuit & CFM Calculator P0/Pk Loss & TCO Calculator

60Hz ANSI/IEEE Transformers — Direct Factory Quotation

Request Engineering Submittals & Price

Include capacity (kVA), voltage class (13.8kV or 34.5kV), secondary voltage, frequency (60Hz), destination port, and required quantity. Our engineers respond with certified data sheets within 24 hours.

Get a Firm Quote