SolaHD ES5HF25S - Low Temperatue Rise Ventilated Distribution Transformer, 25kVA, 240 x 480 Volt Primary, 120/240 Secondary, 60 HZ, 115 degree C rise, UL Listed E25872, UL 1561, Primary Amps 104/52.1, Secondary Amps 208/104
SolaHD

ES5HF25S

UPC: 783472003082


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Overview

The SolaHD ES5HF25S is a high‑performance, low‑temperature rise, ventilated distribution transformer designed for demanding industrial applications. With a 25 kVA capacity, it supports 240 V/480 V primary voltage and 120 V/240 V secondary voltage, making it compatible with a wide range of control panels, substations, and critical infrastructure. The transformer’s low temperature rise of 115 °C ensures efficient operation while minimizing cooling requirements, thanks to its ventilated design. It is UL Listed E25872 and UL 1561 certified, guaranteeing compliance with safety and reliability standards. Primary currents are rated at 104 A/52.1 A, while secondary currents are 208 A/104 A, all operating at 60 Hz. These specifications provide robust power distribution with high fault tolerance, ideal for industrial control systems that demand reliability and space‑efficiency. The SolaHD ES5HF25S delivers consistent voltage regulation, reduced electromagnetic interference, and a compact footprint, helping engineers meet stringent design constraints while maintaining operational excellence. Whether installed in a factory automation plant, a data center, or a utility substation, this transformer offers dependable performance, low maintenance, and long service life, supporting the continuous operation of critical processes. Key benefits include: - Low temperature rise for efficient energy use - Ventilated cooling to reduce external heat sources - UL Listed safety certifications - Precise voltage handling for 240/480 V primary and 120/240 V secondary - High current ratings for demanding industrial loads Choose the SolaHD ES5HF25S for a reliable, efficient, and safe power distribution solution that meets the toughest industrial standards.
  • Low temperature rise (115°C) for efficient operation.
  • Ventilated design reduces cooling requirements.
  • 25kVA capacity with 240/480 V primary and 120/240 V secondary.
  • UL Listed E25872, UL 1561 certified for safety compliance.
  • Primary currents 104 A/52.1 A, secondary currents 208 A/104 A at 60 Hz.
A - 15.0 kV bushing

015J0400AN

A - 15.0 kV bushing
O Plus C - 34.5 kV bushing

034Z3000AW

O Plus C - 34.5 kV bushing

Frequently Asked Questions

What is the kVA rating of the ES5HF25S transformer?

The ES5HF25S transformer has a kVA rating of 25.

What are the dimensions of the ES5HF25S transformer?

The ES5HF25S transformer measures 28 in in height, 16 in in width, and 16 in in depth.

What is the approximate shipping weight of the ES5HF25S?

The approximate shipping weight for the ES5HF25S transformer is 245 lbs (111 kg).

What is the primary voltage for the ES5HF25S transformer?

The ES5HF25S transformer has a primary voltage of 240 x 480 Volt.

What is the secondary voltage for the ES5HF25S transformer?

The ES5HF25S transformer has a secondary voltage of 120/240 Volt.

What is the temperature rise of the ES5HF25S transformer?

The ES5HF25S transformer has a 115°C temperature rise under full nameplate load.

What insulation system does the ES5HF25S use?

The ES5HF25S transformer features a Class 220°C insulation system.

Is the ES5HF25S transformer energy efficient?

Yes, the ES5HF25S transformer is Energy Efficient Compliant to DOE 2016.

Are weather shields included with the ES5HF25S?

No, weather shields (Type 3R, WS-15 for ES5HF25S) must be ordered separately.

What UL standard does the ES5HF25S comply with?

The ES5HF25S transformer is UL Listed under standard UL 1561.

Frequently Asked Questions about SolaHD

What certifications and standards do SolaHD products comply with?

SolaHD power supplies are UL 508 Listed for Industrial Control Equipment and comply with multiple international standards, including UL 60950, CUL/CSA-C22.2 No. 234-M90, and IECEx certifications. Our products meet EMC and Low Voltage Directives, with extensive hazardous location certifications including Class I Zone 2, ATEX, and IECEx, ensuring reliable performance in industrial environments.

What industries and applications are SolaHD products used for?

SolaHD products are used across a wide range of critical industrial applications, including factory automation, process control, machine control, material handling, building automation, and harsh environment installations. Key industries include manufacturing, process industries, semiconductor fabrication, packaging, conveying equipment, instrumentation, and environments requiring UL508 compliance such as water treatment facilities. The products are specifically designed for challenging industrial settings, with certifications for hazardous locations and extreme temperature ranges.

What technical support does SolaHD offer?

SolaHD offers comprehensive technical support through experienced sales representatives available worldwide. Our support includes expert consultation for selecting the right power quality solutions, with award-winning online tools to help customers make precise product selections. Technical support covers the entire range of our industrial power solutions, from service entrance protection to point-of-use equipment, ensuring customers can optimize their facility's power infrastructure.

What are the main product lines offered by SolaHD?

SolaHD offers a comprehensive range of industrial power quality solutions across five primary product lines: Power Supplies, Surge Protection Devices (SPDs), Transformers, Power Conditioning, and Uninterruptible Power Supplies (UPS). Key product series include SDN Power Supplies, STV/STFV Surge Protective Devices, Industrial Control Transformers, MCR Constant Voltage Conditioners, and SDU UPS systems designed for industrial automation, process control, and critical manufacturing environments.

What are the key features of SolaHD products?

SolaHD products offer comprehensive industrial power quality solutions that convert, clean, and maintain electric current throughout manufacturing facilities. Key features include noise and surge protection, voltage regulation, drive protection, and uninterruptible power supplies (UPS). Their product lines cover everything from service entrance to point-of-use, with compact DIN rail mountable options that provide flexible, space-saving power solutions for sensitive industrial equipment like PLCs, networks, and control systems.

What environmental ratings do SolaHD products have?

SolaHD products feature robust environmental ratings including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 classifications, as well as IP66 protection. These ratings ensure comprehensive protection against dust, water, and corrosion in both indoor and outdoor environments, with operating temperatures ranging from -40°C to 130°C.

What accessories are available for SolaHD products?

SolaHD offers a comprehensive range of accessories across multiple product lines, including surge protective devices (SPD), tracking filters, power supplies, UPS systems, and DIN rail mountable components. Key accessories include the STV100K Surge Protective Device, STFV Plus Series Tracking Filters, SDN and SCP Series Power Supplies, SDU Series UPS, and various DIN rail filters and converters that can be integrated into industrial control panels and power systems.

How are SolaHD products typically installed?

SolaHD products are typically installed on DIN rail mounting systems in industrial control panels, with multiple installation options including panel/wall mounting brackets. Most products feature easy-to-wire screw terminations, making them suitable for critical industrial applications like factory automation, PLCs, robotics, and computer-based control systems. The products are designed for flexible installation across various industrial environments, with wide operating temperature ranges from -20°C to +50°C and compact, rugged industrial designs.