SolaHD HS20B150 - Buck Boost Transformers, 0.15 KVA, Maximum Secondary Amperage: 9.38 at 16V, 4.69 at 32V, 120 x 240 Volt Primary, 16/32 Volt Secondary
SolaHD

HS20B150

UPC: 783472100446


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Specification Sheet

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Overview

The SolaHD HS20B150 Buck Boost Transformer is a compact, industrial-grade power conversion solution designed for precise voltage regulation in demanding control applications. With a 0.15 KVA rating, it steps down 120V or 240V primary inputs to stable secondary outputs of 16V or 32V, delivering maximum secondary currents of 9.38A at 16V or 4.69A at 32V. This dual-voltage capability supports a wide range of industrial equipment, including motor drives, PLCs, sensor arrays, and automation systems where stable power delivery is critical. The transformer’s rugged enclosure ensures reliable operation in harsh environments, while its compact design optimizes space in control panels and distribution systems. Engineered for compliance with industry standards, the HS20B150 provides tight voltage tolerances and excellent heat dissipation, reducing downtime and extending equipment lifespan. Ideal for factory automation, distributed control systems, or retrofitting existing installations, this transformer offers a cost-effective solution without compromising performance. Its 120/240V primary flexibility eliminates the need for multiple transformers, streamlining inventory and installation. Whether used in new builds or maintenance upgrades, the HS20B150 delivers consistent, low-loss power conversion for sensitive industrial electronics.
  • 0.15 KVA power rating with 120/240V primary input
  • Dual secondary outputs: 16V (9.38A max) or 32V (4.69A max)
  • Compact, rugged enclosure for harsh industrial environments
  • Compliant with industry safety and performance standards
  • Ideal for motor drives, PLCs, sensors, and automation systems

Specifications

Application
Encapsulated transformers are rated fro Hazardous locations and harsh inductrial enviromnents.
Boost Voltage
95-120 , 240-272 V
Brand Name
SolaHD
Buck Voltage
136-120 , 272-240 V
Connection
Copper lead wire terminations
Design
Non-Encapsulated
Enclosure
NEMA 3R
Frequency Rating
60 HZ
Height
8 IN
Length
4 IN
Maximum Input Current
Primary Amps .625/.313; Secondary Amps 1.25/.625 Amps
Number Of Phases
1
Primary Voltage
120X240 V
Secondary Voltage
16/32 V
Special Features
Copper Lead Wire Terminations, UL Listed Nema Type 3R,Conduit knockouts for side entry wiring
Standard
cULUS Listed: E25872, E77014; UL 1561 or UL 506; CSA: C22.2 No. 47 or No. 66
Type
Buck-Boost Transformer
Wattage
0.15 KVA
Width
4 IN
Package Dimensions (L x W x H)
13 IN x 7.7 IN x 10.3 IN
Package Dimensions (L x W x H)
33.02 cm x 19.558 cm x 26.162 cm
Package Weight (Imperial)
10.750 L
Package Weight (Metric)
4.876 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 a SolaHD Buck-Boost Transformer?

SolaHD Buck-Boost Transformers are small, single-phase, dry-type distribution transformers with dual voltage primary and secondary, used to buck or boost supply voltage by 5 to 27%.

What NEC article do these transformers comply with?

They comply with NEC Article 210.9, Exception 1 when field connected as an autotransformer.

What are the advantages of SolaHD Buck-Boost transformers?

Advantages include low cost, compact size, light weight, and higher efficiency compared to isolation transformers. When connected as an autotransformer, they handle loads up to 20 times the nameplate rating.

What are common applications for these transformers?

They are used for low voltage lighting circuits, control panels, or systems requiring 12, 16, 24, 32, or 48 Volts. They are also suited for low voltage landscape lighting.

Are SolaHD Buck-Boost Transformers suitable for outdoor use?

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

What certifications do these transformers have?

They are UL Listed under UL 506 and CSA C22.2 No. 66, with E77014.

What steps are needed to select a transformer?

Selection requires measuring input line voltage, checking load voltage, kVA or amperage, frequency (50 or 60 Hz), and matching the number of phases.

What are the dimensions and weight of the HS20B150?

The HS20B150 is 8.00 in high, 4.00 in wide, 4.00 in deep, and weighs approximately 6.0 lbs.

What is the KVA rating and secondary amperage for HS20B150?

The HS20B150 has a 0.15 KVA rating. Maximum secondary amperage is 9.38 A at 16 V and 4.69 A at 32 V.

What are the primary and secondary voltages for HS20B150?

The HS20B150 has a 120 x 240 Volt primary and a 16/32 Volt secondary.

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.