Why Choose the ETE WV2500P7S7 2500 VA Wide-Input-Voltage Control Transformer?
The ETE WV2500P7S7 is a high-capacity 2500 VA (2.5 kVA) single-phase wide-input-voltage control transformer designed to provide reliable low-voltage AC power for industrial control circuits, electrical panels and automation equipment. Part of the ETE WV wide-input-voltage control transformer series, it combines multiple primary voltage taps with configurable secondary windings, making it suitable for electrical panel builders, OEM machinery manufacturers and industrial automation engineers requiring substantial control power capacity.
Featuring 0/380/400/420/440/460/480 V primary terminals, the WV2500P7S7 supports six nominal primary supply voltages through dedicated winding taps. Its two 0/24 V secondary windings can be connected in parallel to provide 24 V AC or in series to provide 48 V AC. This flexible winding arrangement enables the transformer to accommodate different industrial control voltage requirements while retaining its total rated capacity of 2500 VA.
With Class E insulation and 3% voltage regulation, the ETE WV2500P7S7 offers defined electrical performance characteristics for demanding industrial control applications. Its dimensions of 192 × 161 × 185 mm, weight of 24 kg and specified EPN 5 enclosure reference provide essential information for mechanical mounting, panel layout and enclosure selection.
Key Advantages
- 2500 VA (2.5 kVA) rated capacity provides substantial apparent power for industrial control equipment.
- Wide primary voltage selection from 380 V to 480 V AC accommodates multiple nominal industrial supply voltages.
- Six primary voltage taps allow the appropriate input connection to be selected for the installation.
- Dual 0/24 V secondary windings offer configurable low-voltage AC outputs.
- 24 V AC parallel output supports compatible industrial control and automation circuits.
- 48 V AC series output provides an alternative supply for equipment requiring a higher AC control voltage.
- 3% voltage regulation indicates relatively limited secondary voltage variation between no-load and rated-load conditions.
- Class E insulation provides a defined thermal insulation classification.
- Single-phase construction is suitable for dedicated industrial control power transformation.
- 192 × 161 × 185 mm dimensions provide clear information for electrical panel planning.
- EPN 5 enclosure reference supports the selection of an appropriate enclosure arrangement.
- Multiple primary taps and configurable secondary connections help simplify transformer selection across compatible industrial installations.
Key Features
- ETE WV wide-input-voltage control transformer series.
- 2500 VA rated apparent power.
- 2.5 kVA transformer capacity.
- Single-phase transformer configuration.
- Primary terminal arrangement: 0/380/400/420/440/460/480 V.
- Primary voltage selections: 380, 400, 420, 440, 460 and 480 V AC.
- Secondary winding 1: 0/24 V.
- Secondary winding 2: 0/24 V.
- Parallel secondary connection: 24 V AC.
- Series secondary connection: 48 V AC.
- Dual secondary winding arrangement for adaptable output voltage configurations.
- Voltage regulation: 3%.
- Insulation class: E.
- Length: 192 mm.
- Width: 161 mm.
- Height: 185 mm.
- Weight: 24 kg.
- Enclosure reference: EPN 5.
- Designed for industrial control power applications requiring flexible primary voltage selection and 24 V or 48 V AC output.
Reliable High-Capacity 24 V and 48 V AC Control Power for Industrial Systems
Industrial control transformers convert an available AC supply voltage into a suitable secondary voltage for control circuits and connected equipment. The ETE WV2500P7S7 provides a flexible solution for installations operating from nominal 380, 400, 420, 440, 460 or 480 V AC supplies. Its dedicated primary winding taps allow the appropriate voltage connection to be selected, making it suitable for industrial machinery and electrical distribution systems with different nominal supply requirements.
The transformer incorporates two 0/24 V secondary windings that can be configured according to the required control voltage. When correctly connected in parallel, they provide a nominal 24 V AC output, with the connected load shared between the windings. When correctly connected in series, they provide a nominal 48 V AC output. The total rated apparent power remains 2500 VA in either configuration. Correct winding polarity is essential for parallel operation, and all connections should follow the manufacturer's approved terminal arrangement.
At its rated capacity, the calculated nominal secondary current is approximately 104.17 A at 24 V or 52.08 A at 48 V. These values are derived from the transformer's rated apparent power and nominal output voltage; permissible loading must also comply with the manufacturer's individual winding ratings and installation requirements. The relatively high available current makes appropriate conductor sizing, terminal selection and secondary circuit protection especially important.
The specified 3% voltage regulation provides a useful performance characteristic for applications where secondary voltage stability matters. Together with Class E insulation and the EPN 5 enclosure reference, the WV2500P7S7 is suitable for integration into appropriately engineered industrial control systems. Its 24 kg weight must be considered when designing mechanical supports and mounting arrangements, while adequate ventilation and electrical clearances remain essential for dependable operation.
Typical Applications
- Industrial electrical control panels requiring substantial low-voltage AC power.
- 24 V AC control power distribution systems.
- 48 V AC industrial control circuits.
- Industrial motor control centres and machinery electrical cabinets.
- Multiple relay and contactor control circuits operating from compatible AC supplies.
- Industrial automation and manufacturing equipment.
- Industrial signalling and indication systems.
- OEM machinery operating from 380–480 V AC primary supplies.
- Industrial process control installations.
- Electrical panel building and control system integration.
- Compatible AC actuators and industrial control devices.
- Replacement or upgrade projects requiring a 2500 VA wide-input-voltage control transformer.
