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OD Series - Single Phase Transformers
OD isolation transformers provide 1:1 galvanic isolation to protect equipment and personnel. 25-1000 VA, 220 V to 220 V, low leakage current for sensitive loads.
Model Number Breakdown
Key Features
- Full galvanic isolation between primary and secondary
- Wide 25-1000 VA range for equipment isolation
- Low leakage current for sensitive electronics
- Dry-type construction, safe for indoor use
Applications
- Industrial power systems
- Commercial buildings
- Infrastructure projects
TECHNICAL DRAWING
Model: OD-200VA | Type: Oil-immersed transformer | Capacity: 200 kVA
FRONT ELEVATION
ELECTRICAL SCHEMATIC
EFFICIENCY vs LOAD
SIDE VIEW
TOP VIEW
TERMINAL BLOCK
CORE & WINDING
LEGEND:
Specifications Range
All specifications and dimensions can be customized upon request
Model Selector
| Key parameters | Model Range |
|---|---|
| Capacity | 25–1000 VA |
| Input voltage | 220V |
| Output voltage | 220V |
| Frequency (Hz) | 50/60 |
| Efficiency | ≥85%, ≥90%, ≥93% |
| Allowed temperature rise | ≤65 K |
| Short-circuit impedance | ≤8% |
| Insulation class | Class B (130°C) |
| Compare | Model | Series | Capacity (kVA) | Input voltage | Output voltage | Frequency (Hz) | Weight | Dimensions |
|---|---|---|---|---|---|---|---|---|
| OD-25VA | OD | 25VA | 220V | 220V | 50/60 | 110 kg | 73 | |
| OD-40VA | OD | 40VA | 220V | 220V | 50/60 | 130 kg | 90 | |
| OD-50VA | OD | 50VA | 220V | 220V | 50/60 | 130 kg | 90 | |
| OD-60VA | OD | 60VA | 220V | 220V | 50/60 | 130 kg | 90 | |
| OD-80VA | OD | 80VA | 220V | 220V | 50/60 | 130 kg | 90 | |
| OD-100VA | OD | 100VA | 220V | 220V | 50/60 | 130 kg | 105 | |
| OD-120VA | OD | 120VA | 220V | 220V | 50/60 | 130 kg | 108 | |
| OD-160VA | OD | 160VA | 220V | 220V | 50/60 | 130 kg | 110 | |
| OD-200VA | OD | 200VA | 220V | 220V | 50/60 | 130 kg | 112 | |
| OD-250VA | OD | 250VA | 220V | 220V | 50/60 | 130 kg | 115 | |
| OD-300VA | OD | 300VA | 220V | 220V | 50/60 | 130 kg | 122 | |
| OD-350VA | OD | 350VA | 220V | 220V | 50/60 | 130 kg | 125 | |
| OD-400VA | OD | 400VA | 220V | 220V | 50/60 | 130 kg | 130 | |
| OD-500VA | OD | 500VA | 220V | 220V | 50/60 | 130 kg | 133 | |
| OD-600VA | OD | 600VA | 220V | 220V | 50/60 | 130 kg | 135 | |
| OD-800VA | OD | 800VA | 220V | 220V | 50/60 | 130 kg | 155 | |
| OD-1000VA | OD | 1000VA | 220V | 220V | 50/60 | 130 kg | 170 |
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Certification
The values below are computed from what you selected above. Anything that cannot be computed yet is shown as an em dash — never as zero.
Iₙ = S / (√3·U) · I_sc = 100·Iₙ / uₖ · S_sc = √3·U·I_sc · I_p = k·Iₖ
Still required to complete the calculation: rated capacity S, impedance voltage uₖ, short-time or peak withstand current.
Per-model values (P0 / Pk / uₖ declared by the factory, losses, noise, temperature rise, dimensions, weight) are not in the product library: those rows stay at an em dash until the factory parameter sheet is supplied. An em dash means the value is unavailable — it is never rendered as zero.
Read-only: no price factor, not part of the sum — the loss-grade cost is already carried by the efficiency (subtype) base price, so charging here would double-bill. Values come from the product library type-test data, interpolated between published capacities; grades the library does not cover show an em dash, never zero.
Reference prices are for estimation only and do not constitute a formal offer.
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