Isolation Transformers · Three-Phase Dry Transformers

SBK Three Phase Dry Type Power & Control Transformer (100 VA – 70 kVA)

SBK series three-phase dry-type transformers serving as reliable lighting, power, and control power supplies for electronics manufacturing, mining enterprises, and automated mechanical equipment.

Request Quote Back to Catalog

Technical Specifications

Rated Capacity Range	100 VA to 70 kVA (100VA, 300VA, 500VA, 1kVA, 5kVA, 10kVA... 70kVA)
Input Voltage	380V, 415V, 440V, 220V (Customizable)
Output Voltage	220V, 380V, 200V, 110V, 36V (Customizable)
Rated Frequency	50/60 Hz
Type	Dry-type, Air-cooled, Maintenance-free
Efficiency	≥ 97.5%
Insulation Resistance	≥ 50 MΩ
Model SBK-100/200VA	Bmax: 120 mm, Cmax: 88 mm, Dmax: 120 mm
Model SBK-300VA	Bmax: 180 mm, Cmax: 110 mm, Dmax: 150 mm
Model SBK-500/750VA	Bmax: 180 mm, Cmax: 125 mm, Dmax: 155 mm
Model SBK-1K/1.5KVA	Bmax: 240 mm, Cmax: 145 mm, Dmax: 205 mm
Model SBK-2KVA	Bmax: 240 mm, Cmax: 155 mm, Dmax: 205 mm
Model SBK-2.5KVA	Bmax: 240 mm, Cmax: 170 mm, Dmax: 225 mm
Model SBK-3KVA	Bmax: 300 mm, Cmax: 165 mm, Dmax: 260 mm
Model SBK-4KVA	Bmax: 300 mm, Cmax: 180 mm, Dmax: 260 mm
Model SBK-5KVA	Bmax: 300 mm, Cmax: 190 mm, Dmax: 260 mm
Model SBK-6KVA	Bmax: 300 mm, Cmax: 220 mm, Dmax: 285 mm
Model SBK-8KVA	Bmax: 360 mm, Cmax: 210 mm, Dmax: 315 mm
Model SBK-10KVA	Bmax: 360 mm, Cmax: 220 mm, Dmax: 335 mm
Model SBK-12KVA	Bmax: 360 mm, Cmax: 235 mm, Dmax: 335 mm
Model SBK-15KVA	Bmax: 360 mm, Cmax: 250 mm, Dmax: 335 mm
Model SBK-20KVA	Bmax: 420 mm, Cmax: 245 mm, Dmax: 390 mm
Model SBK-25~40KVA	Bmax: 480 mm, Cmax: 255 mm, Dmax: 440 mm
Model SBK-50KVA	Bmax: 600 mm, Cmax: 290 mm, Dmax: 510 mm
Model SBK-60KVA	Bmax: 600 mm, Cmax: 325 mm, Dmax: 510 mm
Model SBK-70KVA	Bmax: 600 mm, Cmax: 350 mm, Dmax: 510 mm

Equipment Video Walkthrough 100% Tested

Watch 100% factory routine testing & quality control inspections.

Product Information

Status

Published

Product ID

XH-SBK-DRY

Last Updated

2026-09-24 08:45:13

Technical Highlights

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

Application Scenarios

Industrial Equipment Power, Mining Control, Factory Automation, Lighting

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

ion>

XinHuan SBK Three Phase Dry Type Power & Control Transformer (100 VA – 70 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 SBK Three Phase Dry Type Power & Control Transformer (100 VA – 70 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

Request SBK Technical Specs & Quotation

IEC 60076, 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, CE, ISO 9001

Packaging, Delivery & Service

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

Request SBK Technical Specs & Quotation

Ready to Proceed?

Request a Quote for SBK Three Phase Dry Type Power &...

Share your project scope and we'll respond within 24 hours.

Get a Quote