Isolation Transformers · Machine Tool Control Transformers

JBK3 Machine Tool Control Transformer (40 VA – 1600 VA, up to 660V)

JBK3 series control transformers engineered for modern machine tools, CNC lathes, and automated machinery up to 660V input. Compact footprint, low temperature rise, and robust plug-in terminal blocks.

Technical Specifications

Rated Capacity 40VA, 63VA, 100VA, 160VA, 250VA, 400VA, 630VA, 1000VA, 1600VA
Input Voltage Up to 660V (e.g. 380V, 220V)
Output Voltage 110V, 36V, 24V, 12V, 6V
Terminals Finger-safe shrouded screw terminals
Model JBK3-40~63VA Bmax: 78 mm, Dmax: 75 mm, Emax: 89 mm, A: 56±0.4 mm, C: 51±2 mm, K or K×J: 4.8×9 mm, Fmax: 12 mm
Model JBK3-100VA Bmax: 85 mm, Dmax: 90 mm, Emax: 91 mm, A: 64±0.4 mm, C: 68±2 mm, K or K×J: 4.8×9 mm, Fmax: 12 mm
Model JBK3-160VA Bmax: 96 mm, Dmax: 97 mm, Emax: 105 mm, A: 84±0.4 mm, C: 73±2 mm, K or K×J: 5.8×11 mm, Fmax: 14 mm
Model JBK3-250VA Bmax: 96 mm, Dmax: 105 mm, Emax: 105 mm, A: 84±0.4 mm, C: 85±2 mm, K or K×J: 5.8×11 mm, Fmax: 14 mm
Model JBK3-400VA Bmax: 120 mm, Dmax: 105 mm, Emax: 123 mm, A: 103±0.4 mm, C: 82±2 mm, K or K×J: 7×12 mm, Fmax: 18 mm
Model JBK3-630VA Bmax: 150 mm, Dmax: 105 mm, Emax: 145 mm, A: 128±0.5 mm, C: 86±2 mm, K or K×J: 7×12 mm, Fmax: 22 mm
Model JBK3-1000VA Bmax: 160 mm, Dmax: 195 mm, Emax: 145 mm, A: 140±2 mm, C: 158±2 mm, K or K×J: 7×12 mm, Fmax: 18 mm
Model JBK3-1600VA Bmax: 180 mm, Dmax: 225 mm, Emax: 155 mm, A: 155±2 mm, C: 180±2 mm, K or K×J: 7×12 mm, Fmax: 18 mm
Model JBK3-2500VA Bmax: 200 mm, Dmax: 250 mm, Emax: 171 mm, A: 165±2 mm, C: 210±2 mm, K or K×J: 7×12 mm, Fmax: 18 mm

Equipment Video Walkthrough 100% Tested

Watch 100% factory routine testing & quality control inspections.

Product Information

Status

Published

Product ID

XH-JBK3-CTRL

Last Updated

2026-09-24 08:45:14

Technical Highlights

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

Application Scenarios

  • Machine Tools, CNC Milling/Lathe Centers, Mechanical Automation

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 JBK3 Machine Tool Control Transformer (40 VA – 1600 VA, up to 660V) 2D AutoCAD General Arrangement Drawing Blueprint
Engineering Submittal Drawing

2D AutoCAD General Arrangement (GA) Drawing

Official XinHuan factory 2D vector General Arrangement drawing for JBK3 Machine Tool Control Transformer (40 VA – 1600 VA, up to 660V). 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

Frequently Asked Questions

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IEC 61558, CE, ISO 9001

Export carton packaging, 5-7 days lead time

Related Markets & Resources

Standards & Compliance

IEC 61558, CE, ISO 9001

Packaging, Delivery & Service

Export carton packaging, 5-7 days lead time

Request JBK3 Technical Specs & Pricing

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