SolaHD E300WB - Encapsulated Industrial Control Transformer 300VA, Volts Primary: 220x440, 230x460, 240x 480, Volts Secondary: 110, 115, 120, Frequency 50/60 HZ/60 HZ, Secondary Fuse Midget Cartridge, 13/32 IN x 1-1/2 IN
SolaHD

E300WB

UPC: 783472002474


Documents & Media
Specification Sheet

Contact for Pricing

Overview

The SolaHD E300WB is a 300VA encapsulated industrial control transformer engineered for reliable power conversion in demanding industrial environments. This transformer supports dual primary voltage configurations of 220/440V, 230/460V, and 240/480V, making it compatible with a wide range of global electrical systems. The secondary output delivers a stable 110, 115, or 120VAC at both 50Hz and 60Hz frequencies, ensuring seamless integration with control circuits, PLCs, and automation systems worldwide. Designed for harsh industrial conditions, the E300WB features a fully encapsulated construction that protects against dust, moisture, and mechanical shock, extending service life and reducing maintenance downtime. The transformer includes a midget cartridge fuse (13/32 in × 1-1/2 in) for reliable overload protection, ensuring safe operation even under transient conditions. Its compact footprint and wiring leads simplify installation in confined spaces, while the robust design meets stringent industrial standards for durability and performance. Ideal for motor starters, control panels, and automation systems, the E300WB delivers precise voltage regulation, low ripple, and high efficiency. This reduces energy costs and minimizes system failures, making it a cost-effective solution for factories, plants, and automated production lines. Manufactured by SolaHD, a trusted name in industrial electrical components, the E300WB combines quality, reliability, and ease of maintenance to support critical control applications in diverse industries.
  • 300VA power rating for industrial control applications
  • Primary voltage options: 220/440V, 230/460V, 240/480V
  • Secondary voltage options: 110V, 115V, 120V at 50/60Hz
  • Encapsulated design for protection against dust, moisture, and shock
  • Midget cartridge fuse (13/32 in × 1-1/2 in) for overload protection

Specifications

Application
Industrial
Brand Name
SolaHD
Frequency Rating
50/60 HZ
Height
5.36 IN
KVA Rating
0.3
Length
5.21 IN
Mounting
Heavy Gauge Steel Mounting Plate
Number Of Phases
1
Primary Voltage
240 480 V
Secondary Voltage
120 Volt Secondary
Secondary Voltage
0.12 kV
Special Features
50-1,000 VA, 50/60 Hz, suitable for world wide applications. Interleaved copper windings reduce I2R losses and maximize efficiency. 55 DEG C/131 DEG F rise, 105 DEG C insulation system to minimize heat. Epoxy encapsulated to protect cores and coils against moisture, dirt, and other contaminants. Meets or exceeds NEMA Standard ST 1 and ANSI C89.1 for load inrush capability. Integrally molded, flame retardant (IEC 707/ISO Class 1210) terminal blocks provide greater terminal contact area and improved conductivity. Heavy gauge steel mounting plate. Mounting dimensions are compatible with similar control transformers. Secondary fuse holders (FB2X) included for 13/32" x 1-1/2" cartridges (fuses not included). Factory installed fuse holders are available (see WA and WB options).
Standard
cULus Listed: E77014, UL 506, CSA C22.2 No. 66, RoHS Compliant
Type
SBE Encapsulated Series Transformers
Wattage
250 VA
Width
4.5 IN
Package Dimensions (L x W x H)
8.9 IN x 7 IN x 7.8 IN
Package Dimensions (L x W x H)
22.606 cm x 17.78 cm x 19.812 cm
Package Weight (Imperial)
12.850 L
Package Weight (Metric)
5.829 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 protects SBE transformers from environmental contaminants?

SBE transformers are epoxy encapsulated to seal the windings against moisture, dirt, and industrial contaminants, ensuring durability in harsh environments.

How do SBE transformers prevent electrical arcing?

Extra deep, molded terminal barriers are designed to reduce the chance of electrical failure caused by arcing or frayed lead wires.

What VA and frequency range do SBE transformers support?

SBE transformers are available in 50 to 1000 VA ratings and operate at 50/60 Hz, making them suitable for worldwide applications.

What industry standards do SBE transformers meet?

SBE transformers meet or exceed NEMA Standard ST-1 and ANSI C89.1 for load inrush capability.

Can fuse holders be factory-installed on SBE transformers?

Yes, factory-installed primary and secondary fuse holders are available with W, WA, and WB options.

What is the warranty period for SBE industrial control transformers?

SBE industrial control transformers come with a ten-year limited warranty.

What certifications do SBE transformers hold?

SBE transformers are UL Listed (E77014 - Type SBE, UL 5085-1, UL 5085-2), CSA C22.2 No. 66.1, No. 66.2 compliant, and RoHS Compliant.

What are the primary and secondary voltages for Group 1 SBE models?

Group 1 SBE models have a 120 x 240 Volt primary and a 24 Volt secondary, operating at 60 Hz.

What fuse types are supported by WA and WB options?

WA options support Type 3AG (1/4 x 1 1/4 inch) glass or ceramic fuses, while WB options support 13/32 x 1 1/2 inch midget cartridge fuses.

Do WA and WB factory-installed options include finger safe covers?

Yes, both WA and WB suffix options for factory-installed fuse holders include finger safe covers.

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.