SolaHD K4E2H150S - SolaHD, Ventilated Distribution Transformer, DOE 10 Cfr P431 - DOE 2016 Compliant, UL Listed E25872, 150 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

K4E2H150S

UPC: 783472149452


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Specification Sheet

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Overview

The SolaHD K4E2H150S is a robust 150 KVA ventilated distribution transformer designed for demanding industrial power systems. With a primary voltage of 480 V and secondary voltage of 208 V, it delivers reliable three‑phase power at 60 Hz. The transformer features seven taps, allowing precise voltage regulation to match varying load requirements. Constructed with aluminium windings, it benefits from excellent thermal conductivity and reduced weight, enhancing overall system efficiency. The NEMA Type 1 enclosure provides a sealed, dust‑proof environment, suitable for outdoor or harsh industrial settings while meeting UL E25872 compliance for safety and performance. Its delta‑wye connection configuration offers flexibility in system integration, and the 150 °C temperature rating ensures operation under high ambient temperatures. Ideal for applications such as industrial machinery, HVAC systems, and process plant power distribution, the K4E2H150S delivers durability, efficiency, and ease of installation, making it a reliable choice for high‑voltage distribution needs.
  • 150 KVA capacity with 3‑phase 480 V/208 V operation
  • Seven taps for precise voltage regulation
  • Aluminium windings for superior thermal performance
  • UL E25872 compliance and NEMA Type 1 enclosure
  • Delta‑wye connection, 150 °C temperature rating

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
Cooling
AA
Efficiency
98.83 Percent
Enclosure
NEMA TYPE 1
Frequency Rating
60 HZ
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
60 Hz
Height
44 IN
Insulation Class
220 DEG C
K Factor
4
KVA Rating
150 KVA
Length
33 IN
Mounting
FLOOR
Number Of Phases
3
Number Of Taps
7
Primary Voltage
0.48 kV
Secondary Voltage
0.208 kV
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
Width
21 IN
Winding
ALUMINIUM
Package Dimensions (L x W x H)
40 IN x 40 IN x 55 IN
Package Dimensions (L x W x H)
101.6 cm x 101.6 cm x 139.7 cm
Package Weight (Imperial)
1005.000 L
Package Weight (Metric)
455.868 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 is the K-Factor rating for model K4E2H150S?

The K4E2H150S transformer is K-4 rated.

What are the primary and secondary voltages for K4E2H150S?

The K4E2H150S has a 480 Δ Primary and a 208Y/120 Secondary voltage.

What are the physical dimensions of the K4E2H150S?

The K4E2H150S transformer is 44 in high, 33 in wide, and 21 in deep.

What is the approximate shipping weight of K4E2H150S?

The approximate shipping weight for the K4E2H150S is 1005 lbs (456 kg).

What is a K-Factor transformer?

K-Factor transformers reduce heating effects from harmonic currents created by non-linear loads. They are designed to withstand harmonic content within their insulation temperature limits.

What K-Factor ratings are available for SolaHD transformers?

SolaHD K-Factor transformers have UL ratings of K-4, K-13, and K-20.

What is the rated temperature rise and insulation class?

The transformers have a rated temperature rise of 150°C and 220°C insulation.

Is the K4E2H150S energy efficient?

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

What loads are compatible with K-4 rated transformers?

K-4 rated transformers are suitable for loads such as electric discharge lighting, UPS with optional input filters, welders, and PLCs.

Can a weather shield be used with the K4E2H150S?

Yes, a Type 3R Weather Shield (WS-10) is available as an accessory and must be ordered separately.

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.