SolaHD K4E2H112S - SolaHD, Ventilated Distribution Transformer, DOE 10 Cfr P431 - DOE 2016 Compliant, UL Listed E25872, 112.5 KVA, Primary Voltage 480 V, Secondary Voltage 208 V, 60 HZ, 3 Phase, Number Of Taps 7, Temperature Rating 150 Degrees C, Connection Delta-Wye, Winding Aluminium, Enclosure Nema Type 1
SolaHD

K4E2H112S

UPC: 783472149445


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Specification Sheet

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Overview

The SolaHD K4E2H112S is a high‑performance, ventilated distribution transformer rated at 112.5 KVA, designed for robust 3‑phase power distribution. It operates on a primary voltage of 480 V and a secondary voltage of 208 V at 60 Hz, making it suitable for industrial, commercial, and utility applications. The transformer features seven tap positions, allowing precise voltage regulation to meet diverse load requirements. Aluminium windings provide excellent conductivity and reduced weight, while the NEMA 1 enclosure ensures protection against dust and debris. UL Listed E25872 and DOE 10 Cfr P431 compliance guarantee safety and environmental standards. Ideal for use in data centers, manufacturing plants, and power distribution networks, this SolaHD transformer delivers reliable performance, energy efficiency, and easy maintenance. Key benefits include: - High efficiency and low loss operation under varying loads. - Versatile tap settings for voltage optimization. - Robust aluminium construction for durability. - Compact NEMA 1 housing for space‑saving installations. - Certified safety and compliance for peace of mind. Whether you need to upgrade existing infrastructure or install new distribution systems, the S4HD K4E2H112S provides a dependable solution that meets stringent industrial standards while delivering cost‑effective operation.
  • 112.5 KVA rating with 480 V primary and 208 V secondary
  • 7 tap positions for voltage regulation
  • Aluminium windings for conductivity and reduced weight
  • NEMA 1 enclosure for dust protection
  • UL Listed E25872 and DOE 10 Cfr P431 compliant

Specifications

Application
Any situation where the available voltage must be changed to accommodate the voltage required by the specific electrical circuit or connected equipment.
Brand Name
SolaHD
Connection Type
Delta-Wye
Cooling
AA
Efficiency
98.74 Percent
Enclosure
NEMA TYPE 1
Frequency
60 Hz
Frequency Rating
60 HZ
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
60 Hz
Height
34 IN
Insulation Class
220 DEG C
K Factor
4
KVA Rating
112.5 KVA
Length
28 IN
Material
aluminium
Mounting
FLOOR
NEMA Rating
Type 1
Number Of Phases
3
Number Of Taps
7
Poles
3 Phase
Primary Voltage
0.48 kV
Secondary Voltage
0.208 kV
Series
K4E2H
Special Features
DOE 10 CFR p431 - DOE 2016 Compliant
Standard
UL Listed E25872
Temperature Rating
150 Degrees C
Temperature Rating, Maximum
302 F
Temperature Rating, Maximum
150 C
Temperature Rating, Minimum
302 F
Temperature Rating, Minimum
150 C
Type
Ventilated Distribution Transformer
Type of Transformer
Ventilated Distribution Transformer
Voltage Rating
480 V / 208 V
Width
22 IN
Winding
ALUMINIUM
Package Dimensions (L x W x H)
31 IN x 29.25 IN x 53 IN
Package Dimensions (L x W x H)
78.74 cm x 74.295 cm x 134.62 cm
Package Weight (Imperial)
794.000 L
Package Weight (Metric)
360.158 kg
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 are the physical dimensions of the K4E2H112S transformer?

The K4E2H112S transformer is 34 in high, 28 in wide, and 22 in deep.

How much does the K4E2H112S transformer weigh?

The approximate shipping weight for the K4E2H112S transformer is 794 lbs (360 kg).

What is the primary amperage for the K4E2H112S model?

The primary amperage for the K4E2H112S model is 135 Amps.

What is the secondary amperage for the K4E2H112S model?

The secondary amperage for the K4E2H112S model is 313 Amps.

What is the K-Factor rating for the K4E2H112S transformer?

The K4E2H112S transformer has a K-4 rating, indicating its ability to withstand harmonic content within temperature limits.

What are the primary and secondary voltages for K4E2H112S?

The K4E2H112S transformer has a 480 Δ Primary voltage and a 208Y/120 Secondary voltage.

What is the kVA rating of the K4E2H112S model?

The K4E2H112S model has a kVA rating of 112.5.

What is the rated temperature rise and insulation class?

These K-Factor transformers have a rated temperature rise of 150°C and utilize 220°C insulation.

Is the K4E2H112S transformer energy efficient?

Yes, SolaHD K-Factor transformers are Energy Efficient Compliant to DOE 2016 standards.

What UL listings do SolaHD K-Factor transformers have?

SolaHD K-Factor transformers are UL 1561 Listed up to K-20 rated protection and have UL ratings of K-4, K-13, and K-20.

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.