SolaHD HS19B50 - Buck Boost Transformers, 0.050KVA, Maximum Secondary Amperage: 4.16 at 12V, 2.08 at 24V, 120 x 240 Volt Primary, 12/24 Volt Secondary
SolaHD

HS19B50

UPC: 783472100224


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Specification Sheet

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Overview

The SolaHD HS19B50 Buck Boost Transformer is a compact, high-efficiency voltage conversion solution designed for industrial automation, control systems, and automation applications. This 0.050 KVA transformer accepts a dual primary voltage input of 120V or 240V AC, providing flexibility for integration into existing power systems. It delivers a stable secondary output of either 12V or 24V DC, with maximum secondary currents of 4.16A at 12V and 2.08A at 24V, ensuring sufficient power delivery for downstream equipment such as PLC drives, motor controls, and low-voltage industrial devices. Engineered for reliability, the HS19B50 features a high-efficiency design that minimizes energy loss and reduces operating costs. Its compact footprint allows for installation in space-constrained environments, including control panels and industrial enclosures. The transformer’s robust construction meets stringent safety and performance standards, making it suitable for harsh industrial settings. With precise voltage regulation, it protects connected equipment from voltage fluctuations, ensuring consistent performance and extended operational life. Ideal for applications requiring reliable voltage step-down, the HS19B50 is commonly used in factory automation, renewable energy systems, LED lighting controls, and motor drive applications. Its dual primary/secondary voltage options provide versatility for engineers and facility managers seeking a cost-effective power conversion solution. Manufactured by SolaHD, a trusted name in industrial power solutions, the HS19B50 combines durability, efficiency, and performance to meet the demands of modern industrial environments.
  • 0.050 KVA power rating for compact industrial applications
  • Dual primary input: 120V or 240V AC for flexible installation
  • Dual secondary output: 12V or 24V DC with 4.16A@12V or 2.08A@24V max current
  • High-efficiency design reduces energy loss and operating costs
  • Compact footprint for installation in tight control panels or enclosures

Specifications

Application
Encapsulated transformers are rated fro Hazardous locations and harsh inductrial enviromnents.
Boost Voltage
100-120 , 229-240 V
Brand Name
SolaHD
Buck Voltage
132-120 , 264-240 V
Connection
Copper lead wire terminations
Design
Non-Encapsulated
Enclosure
NEMA 3R
Frequency Rating
60 HZ
Height
6 IN
Length
3 IN
Maximum Input Current
Primary Amps .208/.104; Secondary Amps 0.416/0.208 Amps
Number Of Phases
1
Primary Voltage
120 x 240 V
Secondary Voltage
12/24 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
0.05 KVA
Width
4 IN
Package Dimensions (L x W x H)
8.1 IN x 3.9 IN x 3.2 IN
Package Dimensions (L x W x H)
20.574 cm x 9.906 cm x 8.128 cm
Package Weight (Imperial)
3.900 L
Package Weight (Metric)
1.769 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 SolaHD Buck-Boost Transformers?

They are small, single-phase, dry-type distribution transformers with dual voltage primary and secondary windings, designed as insulating/isolating transformers.

What is the primary use of these transformers?

Their primary use is to buck (lower) or boost (raise) the supply voltage by a small amount, typically 5 to 27%.

Are SolaHD Buck-Boost Transformers NEC compliant?

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

What are the advantages of these transformers?

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

What load can they handle when connected as an autotransformer?

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

What low voltage applications are supported?

They supply power to low voltage lighting circuits, control panels, or systems needing 12, 16, 24, 32, or 48 Volts.

Are these 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 listed under UL 506 and CSA C22.2 No. 66, with file number E77014.

What factors determine the correct transformer selection?

Selection depends on input line voltage, required load voltage, load kVA or amperage, frequency, and number of phases.

What frequency do these transformers support?

They support either 50 or 60 Hz, and the transformer's frequency must match that of the load.

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.