SolaHD HS22F750B - Buck Boost Transformers, 0.75 KVA, Maximum Secondary Amperage: 31.2 at 24V, 15.6 at 48V, 240 x 480 Volt Primary, 24/48 Volt Secondary
SolaHD

HS22F750B

UPC: 783472100767


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Specification Sheet

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Overview

The SolaHD HS22F750B Buck Boost Transformer is a compact, high-efficiency industrial power conversion solution designed for applications requiring precise voltage regulation from a 240/480V primary input to a selectable 24V or 48V secondary output. Rated at 0.75 KVA, this transformer delivers up to 31.2A at 24V or 15.6A at 48V, making it suitable for medium-load industrial systems such as motor control circuits, industrial automation, and power distribution networks. Its robust construction ensures stable operation under varying load conditions, reducing the need for additional protective devices and minimizing maintenance costs. Key specifications include a primary voltage range of 240/480V and a secondary output of 24/48V, with a maximum secondary current rating of 31.2A at 24V and 15.6A at 48V. The transformer’s compact footprint allows for easy integration into tight spaces, reducing installation time and space requirements in control panels or electrical enclosures. Manufactured in the US by SolaHD, a trusted name in power solutions, the HS22F750B meets stringent industrial standards for reliability and safety. Ideal for use in factory automation, process control systems, and renewable energy applications, this transformer provides precise voltage boost or buck functionality to protect sensitive downstream equipment from voltage fluctuations. Its high-quality insulation and short-circuit protection ensure long-term reliability, while the precise voltage regulation minimizes energy loss and enhances system efficiency. Whether used in retrofit projects or new installations, the HS22F750B delivers consistent performance with minimal downtime, supporting critical industrial processes.
  • 0.75 KVA rating with 240/480V primary and 24/48V secondary output
  • Maximum secondary current: 31.2A at 24V or 15.6A at 48V
  • Compact design for easy integration into control panels
  • High-efficiency operation with precise voltage regulation
  • Ideal for motor control, industrial automation, and power distribution

Specifications

Application
Buck-Boost Transformers are designed to supply power to low voltage lighting circuits, control panels or other systems requiring 12, 16, 24, 32, or 48 Volts.
Boost Voltage
200-240 , 458-480 V
Brand Name
SolaHD
Buck Voltage
277-230 , 528-480 V
Current Rating
31.2 A at 24V, 15.6 A at 48V
Design
Encapsulated
Frequency Rating
60 HZ
Height
10 IN
Length
5 IN
Maximum Input Current
46.8 Amps @ 16V; 23.4 Amps @ 32 V Maximum Secondary Amperage
Number Of Phases
1
Primary Voltage
240x480 V
Secondary Voltage
24/48 V
Series
HS22F
Special Features
Compact, Lightweight, Can be connected as an autotransformer.
Standard
cULus Listed: UL 506, CSA C22.2 No.66
Type
Buck-Boost Transformer
Voltage Rating
240/480 V primary, 24/48 V secondary
Wattage
0.75 KVA
Width
6 IN
Package Dimensions (L x W x H)
13.1 IN x 7.9 IN x 10.1 IN
Package Dimensions (L x W x H)
33.274 cm x 20.066 cm x 25.654 cm
Package Weight (Imperial)
25.500 L
Package Weight (Metric)
11.567 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 type of transformer is this product?

SolaHD Buck-Boost Transformers are small, single phase, dry type distribution transformers. They are designed and shipped as insulating/isolating transformers.

What is the primary function of a buck-boost transformer?

The primary function is to buck (lower) or boost (raise) the supply voltage by a small amount, typically ranging from 5 to 27%.

Do these transformers comply with NEC standards?

Yes, buck-boost transformers comply with NEC Article 210.9, Exception 1 when field connected as an autotransformer.

What are the advantages of buck-boost transformers?

Major advantages include low cost, compact size, light weight, and higher efficiency compared to equivalent isolation transformers.

What load capacity do they have as an autotransformer?

When connected as an autotransformer, these transformers can handle loads up to 20 times their nameplate rating.

What are common applications for these transformers?

They are designed for low voltage lighting circuits, control panels, or other systems requiring 12, 16, 24, 32, or 48 Volts.

Are these transformers suitable for outdoor use?

Yes, they are UL Listed for outdoor service and are well-suited for low voltage landscape and accent lighting applications.

What certifications do these transformers have?

They are UL Listed (UL 506) and CSA C22.2 No. 66 compliant, with E77014 listing.

How many transformers are needed for three-phase applications?

Three-phase buck-boost applications require either two or three transformers.

What are the dimensions and weight of the HS22F750B?

The HS22F750B is 10.00 in high, 6.00 in wide, and 5.00 in deep, with an approximate shipping weight of 27.0 lbs.

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.