Product Features
The JBK3 Machine Tool Control Transformer is specially designed for electrical control systems in machine tools and automation equipment. It features a high-quality silicon steel core, precision copper windings, and compact structure for improved efficiency and heat resistance. With strong insulation performance and minimal electromagnetic interference, the JBK3 transformer ensures safe and reliable power conversion under fluctuating voltage conditions. It meets IEC and GB standards, suitable for long-term stable operation in industrial environments.
Technical Parameters
- Model: JBK3 Series
- Rated Capacity: 50VA–2500VA
- Input Voltage: AC 220V / 380V
- Output Voltage: AC 6V–220V (optional range)
- Frequency: 50/60Hz
- Insulation Class: Class B / F
- Rated Voltage: Below 1000V
- Cooling Method: Natural air cooling
- Mounting Type: DIN rail or panel mounting
- Protection Level: IP20
- Material: Silicon steel laminated core with enamel copper wire
| Model | Installation dimensions A (mm) | Installation dimensions C (mm) | Shape Bmax (mm) | Shape Dmax (mm) | Shape Emax (mm) | Hole spacing K×J (mm) | Rated capacity (VA) | Input voltage (V) | Output voltage (V) | Applicable frequency | Remark |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JBK1,2,3,4-40 | 56±0.5 | 51±2 | 78 | 70 | 86 | 4.8×9 | 40 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | Standard machine tools, various mechanical control power supplies |
| JBK1,2,3,4-63 | 56±0.5 | 51±2 | 78 | 70 | 86 | 4.8×9 | 63 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | – |
| JBK1,2,3,4-100 | 64±0.5 | 67±2 | 85 | 85 | 93 | 4.8×9 | 100 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | – |
| JBK1,2,3,4-160 | 84±0.5 | 72±2 | 96 | 90 | 103 | 5.8×11 | 160 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | – |
| JBK1,2,3,4-250 | 84±0.5 | 86±2 | 96 | 105 | 103 | 5.8×11 | 250 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | – |
| JBK1,2,3,4-400 | 90±0.5 | 90±2 | 120 | 113 | 123 | 7×13 | 400 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | – |
| JBK1,2,3,4-630 | 122±0.5 | 86±2 | 150 | 118 | 145 | 7×13 | 630 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | – |
| JBK1,2,3,4-800 | 122±0.5 | 100±2 | 150 | 128 | 145 | 7×13 | 800 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | – |
| JBK1,2,3,4-1000 | 127.5±2 | 152±2 | 155 | 205 | 145 | 7×12卧式 | 1000 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | Horizontal installation |
| JBK1,2,3,4-1600 | 140±2 | 176±2 | 180 | 230 | 160 | 7×12卧式 | 1600 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | Horizontal installation |
| JBK1,2,3,4-2500 | 173±2 | 200±2 | 205 | 260 | 175 | 7×12卧式 | 2500 | 220/380/440 | 6、12、24、36、110、220 | 50/60Hz | Horizontal installation |
Application
JBK3 transformers are ideal for electrical control systems in CNC machine tools, automation equipment, and industrial lighting systems. They provide stable control power for relays, contactors, solenoids, and work lights. Commonly used in metal processing machinery, packaging equipment, textile production lines, and electrical cabinets requiring safe voltage isolation and stable power output.


Why Choose Us
We are a professional transformer manufacturer with extensive experience in industrial power solutions. Our JBK3 series undergoes strict quality control for voltage stability, insulation, and durability. We support OEM/ODM customization with fast production and flexible voltage configurations. Global clients trust our reliable performance, timely delivery, and excellent technical support for long-term cooperation in industrial automation projects.
FAQ
What is the minimum order quantity (MOQ) for JBK3 transformers?
Our MOQ is flexible depending on your custom requirements.
How long is the delivery time?
Standard delivery time is 15-30 days depending on order size.
Can you provide OEM customization?
Yes, OEM and customized solutions are available.
How are the transformers packaged?
Secure packaging ensures safe transport to prevent damage.
Are samples available before order?
Yes, samples can be provided upon request.














