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ETE SV250P5S5 Single Voltage Control Transformer 250VA 0/415V to 0/240V
ETE SV250P5S5 is a 250 VA single-phase SV series industrial control transformer with a 415 V AC primary, 240 V AC secondary, Class E insulation and 8% voltage regulation for electrical control panels and industrial automation applications.
£40.65
Why Choose the ETE SV250P5S5 250 VA Control Transformer?
The ETE SV250P5S5 is a reliable, single-phase 250 VA industrial control transformer designed to provide a dedicated 240 V AC secondary supply from a 415 V AC primary input. Manufactured by Eastern Transformers & Equipment (ETE), this transformer belongs to the ETE SV single-voltage stock control transformer range, developed for electrical control panels, industrial automation equipment and machinery control circuits.
Designed for continuous-duty operation, the SV250P5S5 features a robust laminated-core construction, high-quality winding insulation and protective varnish impregnation for dependable performance in industrial environments. Its Class E insulation system, IP20 touch-proof terminals and dedicated core earth connection support safe, reliable integration into electrical installations when correctly installed and protected.
With a rated capacity of 250 VA, 0/415 V primary terminals and 0/240 V secondary terminals, the ETE SV250P5S5 is suitable for supplying compatible control circuit loads requiring a 240 V AC supply. Its compact dimensions of 120 × 88 × 120 mm make it a practical choice for installation within industrial electrical cabinets and machinery control panels.
Key Advantages
- Reliable 250 VA single-phase control transformer for industrial electrical applications.
- 415 V AC primary to 240 V AC secondary voltage conversion.
- Part of the established ETE SV single-voltage transformer range.
- Designed for continuous operation in industrial control circuits.
- Class E insulation designed in accordance with EN 61558-1.
- IP20 touch-proof terminals for improved protection against accidental contact with terminal connections.
- Class H varnish impregnation for durable winding protection.
- 8% voltage regulation as specified for this transformer model.
- Compact construction suitable for integration into electrical control panels.
- Compatible enclosure references EPH 3 or EPN 2 for installations requiring an appropriate enclosure.
Key Features
- ETE SV single-voltage control transformer series.
- 250 VA rated apparent power.
- Single-phase transformer construction.
- 0/415 V primary terminal configuration.
- 0/240 V secondary terminal configuration.
- 240 V AC nominal output connection.
- 50/60 Hz operating frequency.
- Class E insulation system.
- 8% specified voltage regulation.
- High-specification IP20 touch-proof connection terminals.
- Protective Class H varnish impregnation.
- Integrated core earth terminal.
- Designed for ambient temperatures from −10 °C to +35 °C.
- Compact industrial construction with a weight of 3.9 kg.
- Suitable for installation in compatible EPH 3 or EPN 2 enclosures.
Reliable Voltage Conversion for Industrial Control Systems
Industrial control transformers provide the electrical supply required by control circuits and auxiliary equipment. The ETE SV250P5S5 uses electromagnetic induction to convert a nominal 415 V AC input into a 240 V AC output, enabling compatible control equipment to operate from a dedicated transformer secondary circuit.
The transformer is designed with a single primary voltage configuration and a single secondary voltage configuration, simplifying voltage selection and installation. Its 250 VA continuous rating makes it suitable for control circuits whose combined steady-state apparent power requirements fall within the transformer capacity. Where contactors or other inductive loads are connected, their energising inrush requirements should also be considered during transformer selection.
The ETE SV range incorporates protective varnish impregnation and robust industrial construction to support long-term service. The SV250P5S5 uses Class E insulation and has a specified 8% voltage regulation, helping installers and engineers account for output voltage behaviour under changing load conditions. Correct primary protection, secondary protection, earthing and enclosure selection remain essential for safe operation.
Typical Applications
- Industrial electrical control panels requiring a 240 V AC control supply.
- Machinery control circuits and factory automation systems.
- Control transformers for contactors, relays and associated electrical equipment.
- Industrial switching and control assemblies.
- Manufacturing and processing machinery.
- Electrical distribution and control cabinet installations.
- OEM machine-building and electrical panel-building projects.
- Auxiliary power supplies for compatible industrial control components.
Technical Specifications
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| Rated Power (VA) | 250 VA | |
|---|---|---|
| Primary Voltage | 0/415V | |
| Secondary Voltage | 0/240V | |
| Phase | Single Phase | |
| Manufacturer | Eastern Transformers & Equipment (ETE) | |
| Series | SV Single-Voltage Stock Control Transformer Range | |
| Model | SV250P5S5 | |
| Product type | Industrial control circuit transformer | |
| Transformer configuration | Single-voltage primary and single-voltage secondary | |
| Number of phases | Single-phase | |
| Rated apparent power | 250 VA | |
| Primary voltage | 415 V AC | |
| Primary terminals | 0/415 V | |
| Secondary voltage | 240 V AC | |
| Secondary terminals | 0/240 V | |
| Output connection | 240 V | |
| Rated frequency | 50/60 Hz | |
| Insulation class | Class E | |
| Varnish impregnation | Class H | |
| Voltage regulation | 8% | |
| Terminal protection | IP20 touch-proof terminals | |
| Core earthing | Dedicated core earth terminal | |
| Ambient operating temperature | −10 °C to +35 °C | |
| Applicable design standard | EN 61558-1 | |
| Length | 120 mm | |
| Width | 88 mm | |
| Height | 120 mm | |
| Dimensions (L × W × H) | 120 × 88 × 120 mm | |
| Weight | 3.9 kg | |
| Enclosure reference | EPH 3 or EPN 2 | |
| Installation type | Electrical control panel or suitable enclosure mounting | |
| Product range reference | ETE Stock Control Transformer Range, March 2026 |
Frequently Asked Questions
What is the ETE SV250P5S5 transformer used for?
The ETE SV250P5S5 is a single-phase industrial control transformer used to convert a 415 V AC supply to 240 V AC for compatible electrical control circuits, industrial machinery and automation equipment.
What is the power rating of the ETE SV250P5S5?
The transformer has a rated apparent power of 250 VA and is designed for continuous operation within its specified electrical and environmental limits.
What are the primary and secondary voltages?
The SV250P5S5 has 0/415 V primary terminals and 0/240 V secondary terminals, providing a nominal 240 V AC output from a 415 V AC input.
What insulation class does the transformer use?
The ETE SV250P5S5 uses a Class E insulation system designed in accordance with EN 61558-1. The windings also feature protective Class H varnish impregnation.
What are the dimensions and weight of the transformer?
The transformer measures 120 mm long, 88 mm wide and 120 mm high, with a specified weight of 3.9 kg.
What is the voltage regulation of the ETE SV250P5S5?
The ETE SV250P5S5 has a specified 8% voltage regulation, which should be considered when assessing output voltage requirements under varying load conditions.
Which enclosure is suitable for the ETE SV250P5S5?
The specified compatible enclosure references are EPH 3 or EPN 2. The appropriate enclosure should be selected according to the installation environment and applicable electrical safety requirements.
Can the ETE SV250P5S5 be installed inside an electrical control panel?
Yes. The transformer is designed for industrial control applications and can be installed within a suitable electrical control panel or enclosure, with appropriate ventilation, electrical protection and earthing.
Trusted by Industrial Panel Builders and Automation Engineers
ETE SV single-voltage control transformers provide a practical solution for industrial electrical installations requiring dependable voltage conversion. With its 250 VA continuous rating, 415 V AC primary, 240 V AC secondary, Class E insulation and robust industrial construction, the ETE SV250P5S5 is well suited to control panel manufacturing, machine building and industrial automation applications.
