10 kVA Single-Phase Isolation Transformer
Single-phase 10 kVA isolation transformer providing complete galvanic isolation between input and output. Ideal for protecting sensitive laboratory equipment, medical devices, and electronic test systems.
Ref. ISO-10-1PH · Lead time 2–3 weeks · Made to order from Hapur
See full engineering specification & variants
Key Features
Recommended For
Specifications
| Specification | Value |
|---|---|
| Capacity | 10 kVA |
| Primary Voltage | 230V, Single-Phase |
| Secondary Voltage | 230V, Single-Phase |
| Frequency | 50/60 Hz |
| Voltage Regulation | ±2% |
| Cooling | both air and oil cooled |
| Weight | 180 kg |
| Warranty | 3 years |
Reading the specification
What these numbers mean for your installation
A datasheet tells you what the unit does. This is what each figure changes about how you specify, feed and site it — worked out for the 10 kVA specifically, not the range in general.
43 A
10 kVA at 230 V single-phase is about 43 A. Isolation transformers are sized on connected load, not on the diversified figure — total the nameplate rating of everything downstream rather than a metered average.
±2%
±2% describes how far output sags between no load and full load. It is not voltage correction: an isolation transformer passes incoming fluctuation straight through. If your supply itself is unstable, this belongs downstream of a servo stabilizer, not instead of one.
Standard 1:1 galvanic
A 1:1 galvanic barrier breaks the conductive path between supply and load, giving you a separately derived neutral and a clean local earth reference. That solves earth-loop and leakage-trip problems; it is not primarily a noise-filtering device.
Sizing Guide
When is 10 kVA the right choice?
10 kVA single-phase is an equipment-level isolation rating, not a plant-level one. It suits one sensitive instrument or a small bench of them — an HPLC or GC set, a dental or ophthalmic imaging unit, a mastering or broadcast rack, a calibration bench. At 230 V it delivers about 43 A, comfortably more than any single laboratory instrument draws; the rating is normally chosen for headroom and for the clean separately derived earth it provides, not because the connected load demands it. If you are isolating a whole laboratory rather than one bench, start at the 20 kVA three-phase unit instead — paralleling single-phase units across three phases creates the imbalance you were trying to avoid.
Before you order
Where 10 kVA goes in, and what the site needs
Typical installations
We supply 10 kVA most often into hplc / gc analytical benches, dental & ophthalmic imaging units, broadcast & mastering audio racks and calibration laboratories, alongside single sensitive instruments on a shared lab circuit and electronic test benches. What separates those sites is the sensitivity of what sits downstream, not the kVA. The same rating protects a production machine and a metrology bench, but the earthing arrangement and shield termination that each needs are not the same, and getting that wrong wastes the transformer.
Site preparation
At 180 kg two people and a pallet truck will position this. The practical constraint is the doorway and any step or threshold on the route, not the weight itself. Leave working clearance on the terminal side for cable entry and inspection. Sustained ambient above 45 °C, or an enclosed room without cross-ventilation, requires derating — send us the room conditions and we will confirm the rating still holds where you intend to put it.
Adjacent ratings
If 10 kVA is not the right size
Sizing rarely lands exactly on a catalogue rating first time. These are the ratings either side of it in the same range — compare the specification before you commit.
20 kVA Three-Phase Isolation Transformer
Three-phase 20 kVA isolation transformer for medium-load equipment protection.
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View specificationAlso in the transformer range
Different equipment rather than a different size — often specified alongside this on the same project.
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View specificationEngineering detail on this configuration
The isolation transformer pages carry the full design rationale, comparison tables and application notes behind this SKU.
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