Why Choose the ETE SV250P5S6 250 VA Control Transformer?
The ETE SV250P5S6 is a robust and reliable 250 VA single-phase industrial control transformer designed to convert a 415 V AC primary supply into a 24 V AC secondary output. Manufactured by Eastern Transformers & Equipment (ETE), this transformer belongs to the established ETE SV single-voltage stock control transformer series, developed for electrical panel builders, machinery manufacturers and industrial automation applications requiring a dependable low-voltage control supply.
Designed for continuous operation, the SV250P5S6 features a durable industrial construction with Class E insulation, Class H varnish impregnation and high-specification IP20 touch-proof terminals. Its dedicated core earth terminal supports safe electrical installation, while its single-input and single-output voltage configuration simplifies wiring and integration into industrial control systems.
With a rated apparent power of 250 VA, 0/415 V primary terminals and 0/24 V secondary terminals, the ETE SV250P5S6 provides a nominal 24 V AC control supply for compatible industrial electrical equipment. Its compact dimensions of 120 × 88 × 120 mm and weight of 3.9 kg make it suitable for installation inside electrical control cabinets, machinery panels and appropriately selected transformer enclosures.
Key Advantages
- Reliable 250 VA single-phase control transformer designed for industrial applications.
- 415 V AC primary to 24 V AC secondary voltage conversion.
- Part of the proven ETE SV single-voltage stock transformer range.
- Continuous-duty rating for dependable control circuit operation.
- Class E insulation system designed in accordance with EN 61558-1.
- High-specification IP20 touch-proof terminals for improved electrical connection safety.
- Class H varnish impregnation provides additional winding protection.
- Dedicated core earth terminal for protective earthing.
- 8% voltage regulation as specified for the transformer.
- Compact industrial design suitable for control panel installation.
- Suitable for use with EPH 3 or EPN 2 enclosure references.
- Designed for operation in ambient temperatures from −10 °C to +35 °C.
Key Features
- ETE SV single-voltage control transformer series.
- 250 VA rated apparent power.
- Single-phase transformer construction.
- 0/415 V primary terminal configuration.
- 0/24 V secondary terminal configuration.
- 24 V AC nominal output connection.
- 50/60 Hz rated supply frequency.
- Class E electrical insulation.
- 8% specified voltage regulation.
- IP20 touch-proof connection terminals.
- Protective Class H varnish impregnation.
- Integrated core earth terminal.
- Single primary input and single secondary output voltage design.
- Continuous-rated industrial control circuit operation.
- Compact dimensions of 120 × 88 × 120 mm.
- 3.9 kg transformer weight.
- Compatible enclosure references EPH 3 or EPN 2.
Industrial control transformers provide a dedicated electrical supply for control circuits and auxiliary equipment. The ETE SV250P5S6 uses electromagnetic induction to convert a nominal 415 V AC primary input into a 24 V AC secondary output, providing electrical isolation between the primary and secondary windings and enabling compatible control devices to operate from a separate transformer-fed circuit.
The 250 VA continuous rating makes the SV250P5S6 suitable for industrial control systems requiring a stable nominal 24 V AC supply. At its rated secondary voltage, the transformer has a theoretical full-load secondary current of approximately 10.42 A, calculated from its 250 VA rating. Actual transformer selection should account for the connected load, permissible voltage variation, duty conditions and any short-duration inrush current requirements.
The ETE SV series is designed for straightforward integration into industrial electrical assemblies. Its Class E insulation system, Class H varnish impregnation and IP20 touch-proof terminals provide a durable construction for demanding control panel applications. The specified 8% voltage regulation should be considered when assessing secondary voltage variation between no-load and loaded conditions.
For installations requiring additional physical protection, the SV250P5S6 can be incorporated into an appropriately selected EPH 3 or EPN 2 enclosure. Correct primary and secondary circuit protection, protective earthing, ventilation and compliance with applicable electrical installation requirements are essential for safe and reliable operation.
Typical Applications
- Industrial electrical control panels requiring a 24 V AC control supply.
- Machinery control circuits and factory automation systems.
- AC contactor and relay control circuits.
- Industrial switching and control assemblies.
- Packaging, processing and manufacturing machinery.
- Electrical distribution and control cabinet installations.
- OEM machine-building and electrical panel-building projects.
- Industrial control equipment designed for 24 V AC operation.
- Auxiliary control circuits in automated production equipment.
- Replacement or maintenance applications requiring a compatible 250 VA, 415 V to 24 V AC transformer.
