SolaHD ET81H30S - General Purpose Ventilated Distribution Transformer, 30kVA, 480 Volt Delta Primary, 480Y/277 Secondary, 60 HZ, UL Listed E25872, UL 1561, Primary Amps 36.1, Secondary Amps 36.1
SolaHD

ET81H30S

UPC: 783472004218


Documents & Media
Specification Sheet

Contact for Pricing

Overview

The SolaHD ET81H30S is a general-purpose ventilated distribution transformer engineered for reliable power conversion in industrial settings. This 30kVA unit features a 480 Volt Delta primary winding and a 480Y/277 Volt secondary winding, operating at a standard 60 Hz frequency. It is designed to efficiently step down primary voltage to meet the requirements of various industrial equipment. The transformer has a current rating of 36.1 Amps on both the primary and secondary sides, ensuring consistent performance under load. Certified to UL 1561 and bearing UL Listing E25872, the ET81H30S adheres to stringent safety and quality standards, providing assurance for operational integrity. Its ventilated enclosure design promotes effective heat dissipation, which is crucial for maintaining optimal operating temperatures and extending the lifespan of internal components, thereby reducing the risk of thermal failure. This transformer is well-suited for applications such as process control systems, motor drives, and other industrial power distribution needs where dependable voltage transformation is critical. The SolaHD ET81H30S offers a practical solution for both new installations and retrofits due to its straightforward integration. Key Specifications: * **Manufacturer:** SolaHD * **SKU:** ET81H30S * **Capacity:** 30 kVA * **Primary Voltage:** 480 V Delta * **Secondary Voltage:** 480Y/277 V * **Frequency:** 60 Hz * **Primary Amps:** 36.1 A * **Secondary Amps:** 36.1 A * **Certifications:** UL Listed E25872, UL 1561 * **Enclosure Type:** Ventilated Choose the SolaHD ET81H30S for durable, safe, and efficient power transformation in demanding industrial environments.
  • 30 kVA capacity for industrial power distribution
  • 480 Volt Delta primary and 480Y/277 Volt secondary windings
  • 36.1 Amp rating on both primary and secondary sides
  • Ventilated design for efficient heat dissipation
  • UL Listed E25872 and UL 1561 compliant for safety and quality

Specifications

Application
Any situation where the available voltage must be changed to accommodate the voltage required by the specific electrical circuit or connected equipment.
Brand Name
SolaHD
Current Rating
36.1 A
Enclosure
NEMA 3R with optional weather shield (WS-14)
Frequency
60 Hz
Frequency Rating
60 HZ
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
60 Hz
Height
28 in
Height
711.2 mm
Insulation Class
220 DEG C
KVA Rating
45 KVA
Length
16 IN
Mounting
Wall
Mounting
Wall Mounting Brackets Available
Number Of Phases
3
Number Of Taps
2
Primary Voltage
480 VAC
Secondary Voltage
380Y/220 VAC
Series
ET81H
Size
30 kVA
Special Features
Primary Amperage 54.2A, Secondary Amperage 68.4A, Stainless Steel Material, 220 DEG C Insulation System
Standard
UL Listed E25872
Temperature Rating
150 DEG C Rise
Temperature Rating, Maximum
302 F
Temperature Rating, Maximum
150 C
Temperature Rating, Minimum
302 F
Temperature Rating, Minimum
150 C
Type
Ventilated Distribution Transformer
Type of Transformer
Ventilated Distribution Transformer
Voltage Rating
480 VAC Delta (Primary) / 480Y/277 VAC (Secondary)
Width
23 IN
Winding
Copper
Package Dimensions (L x W x H)
16.5 IN x 23.5 IN x 28 IN
Package Dimensions (L x W x H)
41.91 cm x 59.69 cm x 71.12 cm
Package Weight (Imperial)
335.000 L
Package Weight (Metric)
151.956 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 the dimensions of the ES5H25S?

The dimensions are 28.00 in (711.2 mm) height, 16.00 in (406.4 mm) width, and 16.00 in (406.4 mm) depth.

What is the shipping weight of the ES5H25S?

The approximate shipping weight is 250 lbs (113.40 kg).

Are weather shields included with the ES5H25S?

Weather shields must be ordered separately.

What is the voltage range for ES5H25S?

The ES5H25S operates on 240/480 Volt primary and 120/240 Volt secondary.

What type of enclosure does the ES5H25S have?

The ES5H25S has a UL Listed/NEMA Type 3R ventilated outdoor enclosure.

What safety certifications does the ES5H25S have?

The ES5H25S is UL Listed and complies with NEMA TP-1 Standards.

What is the maximum temperature rise under full load?

The maximum temperature rise under full load is 150°C.

What is the warranty period for the ES5H25S?

The ES5H25S comes with a 10-year limited warranty.

What is the primary and secondary amp rating?

The primary amp rating is 90.3 A at 240 V, and the secondary amp rating is 208 A.

What is the insulation system rating?

The insulation system is rated UL Class 220°C.

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.