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JBK3 Series - Single-Phase Machine Tool Transformers
The JBK3 series machine tool transformers are designed for CNC machines and automated equipment, providing isolated and stable power for control circuits.
Model Number Breakdown
JMachine tool
BTransformer
KControl
Key Features
- Designed for CNC machine applications
- Electrostatic shielding for noise reduction
- Multiple secondary voltage outputs
- High dielectric strength
Applications
- CNC machines
- Servo drive power supply
- PLC control systems
- Robotic automation
TECHNICAL DRAWING
Model: JBK3-300VA | Type: Oil-immersed transformer | Capacity: 300 kVA
FRONT ELEVATION
ELECTRICAL SCHEMATIC
EFFICIENCY vs LOAD
SIDE VIEW
TOP VIEW
TERMINAL BLOCK
CORE & WINDING
LEGEND:
Iron core
HV winding/bushing
LV winding/bushing
Dimension line
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Capacity | 50–1000 VA |
| Input voltage | ≤1000V |
| Output voltage | Custom |
| Frequency (Hz) | 50/60 |
| Efficiency | ≥85%, ≥90%, ≥93% |
| Allowed temperature rise | ≤65 K |
| Short-circuit impedance | ≤8% |
| Insulation class | Class B (130°C) |
Select 2-3 models to compare
| Compare | Model | Series | Capacity (kVA) | Input voltage | Output voltage | Frequency (Hz) | Weight | Dimensions |
|---|---|---|---|---|---|---|---|---|
| JBK3-50VA | JBK3 | 50VA | ≤1000V | Custom | 50/60 | 130 kg | 78×85×83 mm | |
| JBK3-100VA | JBK3 | 100VA | ≤1000V | Custom | 50/60 | 130 kg | 86×90×95 mm | |
| JBK3-160VA | JBK3 | 160VA | ≤1000V | Custom | 50/60 | 130 kg | 96×95×105 mm | |
| JBK3-200VA | JBK3 | 200VA | ≤1000V | Custom | 50/60 | 130 kg | 96×100×105 mm | |
| JBK3-250VA | JBK3 | 250VA | ≤1000V | Custom | 50/60 | 130 kg | 96×115×105 mm | |
| JBK3-300VA | JBK3 | 300VA | ≤1000V | Custom | 50/60 | 130 kg | 120×115×120 mm | |
| JBK3-400VA | JBK3 | 400VA | ≤1000V | Custom | 50/60 | 130 kg | 120×120×120 mm | |
| JBK3-500VA | JBK3 | 500VA | ≤1000V | Custom | 50/60 | 130 kg | 120×125×120 mm | |
| JBK3-630VA | JBK3 | 630VA | ≤1000V | Custom | 50/60 | 130 kg | 150×120×145 mm | |
| JBK3-1000VA | JBK3 | 1000VA | ≤1000V | Custom | 50/60 | 130 kg | 150×145×145 mm |
Instant Selection & Quote Calculator
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2 · Your price
EXW (FOB Qingdao)
$2
Range $2 ~ $2 (±8%)
Price Breakdown
| Base price (interpolation) | $2 |
| × Product factor | ×1.0000 |
| × Country factor | ×1.0000 |
| × Copper-linked factor | ×1.0000 |
| + Options / accessories | $0 |
Shipping quoted separately per destination port.
Complete equipment — no winding copper linkage
Reference prices are for estimation only and do not constitute a formal offer.
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