SolaHD E250TH - International Series Control Transformer, 250VA, Volts Primary: 240/415, 277/480, 230/400/460, 220/380/440, Volts Secondary: 120/240, 115/230, 110/220, Frequency: 50/60 HZ
SolaHD

E250TH

UPC: 783472002191


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Specification Sheet

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Overview

The SolaHD E250TH International Series Control Transformer is a 250VA-rated industrial-grade device engineered for reliable voltage conversion across diverse power systems. Designed for global deployments, it supports primary voltage inputs of 240/415V, 277/480V, 230/400/460V, and 220/380/440V, while providing secondary outputs of 120/240V, 115/230V, or 110/220V. This dual-frequency (50/60Hz) transformer ensures compatibility with both European and North American power grids, eliminating the need for multiple transformer models in multi-region installations. Built to SolaHD’s exacting quality standards, the E250TH delivers high efficiency with low loss operation, reducing operational costs and extending equipment lifespan. Its compact design and robust construction make it ideal for space-constrained environments, including motor control panels, lighting systems, and power distribution networks. The transformer’s versatile voltage architecture accommodates fluctuating input conditions while maintaining stable output for sensitive control circuits, PLCs, and instrumentation. Key applications include: - Motor control and variable frequency drives (VFDs) - Industrial lighting systems requiring voltage stabilization - Power distribution for automation and control panels - Compatibility with international voltage standards (IEC/UL) With a UNSPSC code of 39121026 and manufactured in the US, the E250TH meets stringent safety and reliability requirements for industrial environments. Its 250VA capacity balances power delivery with physical footprint, making it a cost-effective solution for engineers seeking a single transformer model to replace multiple fixed-voltage units. The transformer’s design prioritizes ease of installation, with standard mounting options and clear terminal labeling for quick integration into existing systems.
  • 250VA power rating for industrial control applications
  • Multi-voltage input: 240/415V, 277/480V, 230/400/460V, 220/380/440V
  • Secondary outputs: 120/240V, 115/230V, 110/220V
  • Dual-frequency support: 50/60Hz for global compatibility
  • Compact design with high efficiency and low loss operation

Specifications

Application
Industrial
Brand Name
SolaHD
Enclosure
IP20
Frequency Rating
50/60 HZ
Height
3.89 IN
KVA Rating
0.25
Length
5.21 IN
Mounting
Heavy Gauge Steel Mounting Plate
Number Of Phases
1
Power Factor
50 PCT
Primary Voltage
240/415/480 V
Secondary Voltage
120/240 V
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
International Series Control: 50-750 VA.
Wattage
150 VA
Width
4.5 IN
Package Dimensions (L x W x H)
9.2 IN x 6.9 IN x 7.8 IN
Package Dimensions (L x W x H)
23.368 cm x 17.526 cm x 19.812 cm
Package Weight (Imperial)
14.100 L
Package Weight (Metric)
6.396 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 input voltage range for the E050TE?

The E050TE operates with an input voltage range of 20 to 72 Vdc.

What is the operating temperature range?

The operating temperature range for the E050TE is -25 to +65°C.

What are the mounting options for the E050TE?

The E050TE can be mounted on DIN Rail or chassis by removing DIN clips.

What is the weight of the E050TE?

The E050TE weighs 0.8 lbs (0.39 kg).

What is the maximum case temperature rise?

The maximum case temperature rise at full load is 45 K.

What is the MTBF for the E050TE?

The MTBF at 25°C is 800,000 hours according to MIL-STD-217F.

What type of protection does the E050TE have?

The E050TE has IP20 protection and is designed to resist harsh environments.

Is there any input protection against reverse voltage?

No, the E050TE does not have input protection against reverse voltage.

What is the output voltage accuracy?

The output voltage accuracy is ±1% for V1 and ±4% for V2 at specified conditions.

What are the common applications for the E050TE?

The E050TE is used for industrial control instrumentation, telecommunications systems, and in remote harsh environments.

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.