SG Three Phase Dry-Type Isolation Transformer (0.3 kVA – 180 kVA) View 1

Isolation Transformers · Three-Phase Dry Isolation

SG Three Phase Dry-Type Isolation Transformer (0.3 kVA – 180 kVA)

SG series three-phase dry-type isolation transformers designed for imported CNC machinery, precision tools, medical devices, and rectifier power supplies. Features 100% galvanic isolation, custom voltage ratios, Dyn11/Yyn0 vector groups, and pure copper conductor windings.

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Technical Specifications

Rated Capacity Range 0.3 kVA to 180 kVA (e.g. 5 kVA, 10 kVA, 50 kVA, 100 kVA)
Primary Input Voltage 220V, 230V, 380V, 400V, 415V, 440V, 480V, 660V (Customizable)
Secondary Output Voltage 200V, 220V, 380V, 400V, 415V, 110V (Customizable)
Target Philippine Spec 220V 3-Phase Input -> 380V 3-Phase Output, 5 kVA, 100% Copper Conductor
Rated Frequency 50 Hz / 60 Hz
Number of Phases Three Phase (3-Phase 3-Wire or 3-Phase 4-Wire with Neutral)
Conductor Material 100% Pure Oxygen-Free Copper (Cu)
Insulation Resistance ≥ 100 MΩ (DC 1000V)
Dielectric Strength 2500V AC / 1 min (No flashover or breakdown)
Efficiency ≥ 98.0%
Noise Level < 45 dB(A)
Temperature Rise < 80K (Class F) / < 100K (Class H)
Enclosure Protection IP00 (Open Type) / IP20 / IP54 (Ventilated Louver Cabinet)
Model SG-0.3/0.5KVA Bmax: 210 mm, Cmax: 230 mm, Dmax: 180 mm, Packing L: 210 mm, Packing W: 230 mm, Packing H: 180 mm
Model SG-0.75KVA Bmax: 250 mm, Cmax: 230 mm, Dmax: 180 mm, Packing L: 210 mm, Packing W: 230 mm, Packing H: 180 mm
Model SG-1KVA Bmax: 250 mm, Cmax: 300 mm, Dmax: 230 mm, Packing L: 310 mm, Packing W: 410 mm, Packing H: 285 mm
Model SG-1.5KVA Bmax: 280 mm, Cmax: 300 mm, Dmax: 230 mm, Packing L: 310 mm, Packing W: 410 mm, Packing H: 285 mm
Model SG-2~5KVA Bmax: 280 mm, Cmax: 400 mm, Dmax: 390 mm, Packing L: 310 mm, Packing W: 440 mm, Packing H: 490 mm
Model SG-6KVA Bmax: 320 mm, Cmax: 450 mm, Dmax: 460 mm, Packing L: 360 mm, Packing W: 490 mm, Packing H: 560 mm
Model SG-8~15KVA Bmax: 350 mm, Cmax: 500 mm, Dmax: 520 mm, Packing L: 380 mm, Packing W: 550 mm, Packing H: 650 mm
Model SG-20/25KVA Bmax: 400 mm, Cmax: 550 mm, Dmax: 570 mm, Packing L: 430 mm, Packing W: 600 mm, Packing H: 700 mm
Model SG-30KVA Bmax: 450 mm, Cmax: 600 mm, Dmax: 620 mm, Packing L: 380 mm, Packing W: 550 mm, Packing H: 650 mm
Model SG-35KVA Bmax: 450 mm, Cmax: 600 mm, Dmax: 620 mm, Packing L: 480 mm, Packing W: 640 mm, Packing H: 780 mm
Model SG-40KVA Bmax: 450 mm, Cmax: 600 mm, Dmax: 620 mm, Packing L: 380 mm, Packing W: 550 mm, Packing H: 650 mm
Model SG-50~70KVA Bmax: 750 mm, Cmax: 600 mm, Dmax: 750 mm, Packing L: 780 mm, Packing W: 640 mm, Packing H: 870 mm
Model SG-80~125KVA Bmax: 850 mm, Cmax: 650 mm, Dmax: 850 mm, Packing L: 880 mm, Packing W: 690 mm, Packing H: 1000 mm
Model SG-150/180KVA Bmax: 1000 mm, Cmax: 700 mm, Dmax: 950 mm, Packing L: 1040 mm, Packing W: 750 mm, Packing H: 1100 mm

Equipment Video Walkthrough 100% Tested

Watch 100% factory routine testing & quality control inspections.

Product Information

Status

Published

Product ID

XH-SG-ISO

Last Updated

2026-09-24 08:45:12

Technical Highlights

  • Factory-direct China pricing with full IEC 60076 type test certification

Application Scenarios

  • CNC Machine Tools, Imported Equipment 220V/380V/480V, Medical Equipment, Industrial Rectifiers

Key Features

  • Galvanic isolation for 50/60Hz AC circuits with voltages up to 660V
  • Pure copper conductor windings with heavy-duty thermal insulation
  • Custom voltage ratios (e.g. 220V to 380V, 480V to 220V, 415V to 380V)

Internal Component Engineering Anatomy

High-precision 3D engineering cutaway model illustrating the core, windings, insulation, conservator tank, and protection accessories.

Dry-type transformer internal 3D cutaway model
High-Grade Silicon Core
Electrolytic Copper Windings
Tap Changer System
Buchholz & Temp Sensors
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XinHuan SG Three Phase Dry-Type Isolation Transformer (0.3 kVA – 180 kVA) 2D AutoCAD General Arrangement Drawing Blueprint
Engineering Submittal Drawing

2D AutoCAD General Arrangement (GA) Drawing

Official XinHuan factory 2D vector General Arrangement drawing for SG Three Phase Dry-Type Isolation Transformer (0.3 kVA – 180 kVA). Includes front elevation view, top plan view, bushing center-to-center distances, mounting hole footprint, and complete vector group layout.

Full Dimensions ($L \times W \times H$)
Bushing Terminal Distances
Mounting Base Footprint
Vector Group & Title Block
Request CAD Submittal (.DXF / .PDF) Factory Quality Inspection

Frequently Asked Questions

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IEC 60076-11, CE, ISO 9001

Export standard wooden crate, 10-15 business days lead time

Related Markets & Resources

Buyer's Guide

How to source from China

Standards & Compliance

IEC 60076-11, CE, ISO 9001

Packaging, Delivery & Service

Export standard wooden crate, 10-15 business days lead time

Request Custom 3-Phase Voltage Stepping & Quotation

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