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JMB Series - Single Phase Transformers
JMB machine-tool control transformers power control circuits with multiple secondary taps. 25-10000 VA for CNC, machine tools and automation.
Model Number Breakdown
Key Features
- Multiple secondary taps (12/24/110/220 V) for machine tools
- 25-10000 VA for CNC and control circuits
- Designed for inrush of contactors and relays
- Reliable for continuous machine operation
Applications
- Industrial power systems
- Commercial buildings
- Infrastructure projects
TECHNICAL DRAWING
Model: 700 | Type: Oil-immersed transformer | Capacity: 700 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 | 25–10000 VA |
| Input voltage | 220, 200, 380 |
| Output voltage | 6, 6.3, 12, 24, 36.48, 110… |
| 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 |
|---|---|---|---|---|---|---|---|---|
| 25 | JMB | 25VA | 220 | 6 | 50/60 | 110 kg | 150x160x130 | |
| 50 | JMB | 50VA | 220 | 6.3 | 50/60 | 130 kg | 150x160x130 | |
| 100 | JMB | 100VA | 220 | 12 | 50/60 | 130 kg | 150x160x130 | |
| 150 | JMB | 150VA | 220 | 24 | 50/60 | 130 kg | 160x170x135 | |
| 200 | JMB | 200VA | 220 | 36.48 | 50/60 | 130 kg | 160x170x135 | |
| 250 | JMB | 250VA | 200 | 110 | 50/60 | 130 kg | 180x170x155 | |
| 300 | JMB | 300VA | 380 | 127 | 50/60 | 130 kg | 180x170x155 | |
| 400 | JMB | 400VA | 380 | 220 | 50/60 | 130 kg | 210x230x175 | |
| 500 | JMB | 500VA | 380 | 330 | 50/60 | 130 kg | 210x230x175x200x175x175 | |
| 700 | JMB | 700VA | 220 | 6 | 50/60 | 130 kg | 218x290x185 | |
| 1000 | JMB | 1000VA | 220 | 6.3 | 50/60 | 130 kg | 218x290x185x210x230x185 | |
| 1500 | JMB | 1500VA | 220 | 12 | 50/60 | 130 kg | 260x190x235 | |
| 2000 | JMB | 2000VA | 220 | 24 | 50/60 | 130 kg | 260x290x235x240x240x225 | |
| 2500 | JMB | 2500VA | 220 | 36.48 | 50/60 | 130 kg | 280x350x230 | |
| 3000 | JMB | 3000VA | 220 | 110 | 50/60 | 130 kg | 280x350x230x250x300x240 | |
| 4000 | JMB | 4000VA | 380 | 127 | 50/60 | 130 kg | 360x355x280 | |
| 5000 | JMB | 5000VA | 380 | 220 | 50/60 | 130 kg | 360x355x280x350x290x285 | |
| 10K | JMB | 10000VA | 380 | 330 | 50/60 | 130 kg | 510x430x490 |
Instant Selection & Quote Calculator
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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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