SolaHD DT661H51S - Drive Isolation Transformer, 51 kVA, Drive Horse Power 40, 460 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
SolaHD

DT661H51S

UPC: 783472400966


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Specification Sheet

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Overview

The SolaHD DT661H51S Drive Isolation Transformer is a 51 kVA, 60 Hz isolation transformer designed for high-performance motor drive applications. This transformer features a 460V Delta primary winding and a 230Y/133V secondary winding, making it ideal for 40 HP drive systems. Engineered for reliability and safety, the DT661H51S meets multiple industry standards, including UL 7014, UL 506, CSA C22.2 No.66, UL E25872, and UL 1561, ensuring compliance with North American electrical codes. Its compact design and high efficiency reduce heat generation and operational costs, making it suitable for industrial environments where space and energy efficiency are critical. The transformer provides precise voltage isolation, reducing electrical noise and protecting sensitive equipment from voltage spikes and harmonics common in variable frequency drive (VFD) applications. With a robust construction and UL listing, the DT661H51S is a dependable choice for motor control centers, CNC machines, conveyors, and other industrial drive systems. The Delta-to-Y/Delta configuration ensures compatibility with standard motor winding configurations, while the 60 Hz operation aligns with most industrial power systems in North America. Certified for use in the US and Canada (cULus listed), this transformer delivers consistent performance, durability, and safety for demanding industrial applications.
  • 51 kVA power rating for 40 HP drive systems
  • 460V Delta primary / 230Y/133V secondary voltage configuration
  • 60 Hz operation for North American industrial power systems
  • UL 7014, UL 506, CSA C22.2 No.66, UL E25872, UL 1561 certified
  • Compact design with high efficiency for reduced heat and energy loss

Specifications

Application
Drive Isolation
Connection Type
Delta (Primary), Y/Delta (Secondary)
Connection Type
Delta (Primary) / Y/Delta (Secondary)
Connection Type
Delta Primary / Y/Delta Secondary
Current Rating
51 kVA
Frequency
60 Hz
KVA Rating
51 kVA
Mounting
Floor
Number Of Phases
3
Primary Voltage 1, Maximum
460D V
Primary Voltage 1, Minimum
460D V
Primary Voltage 2, Maximum
460D V
Primary Voltage 2, Minimum
460D V
Primary Voltage 3, Maximum
460D V
Primary Voltage 3, Minimum
460D V
Secondary Voltage 1, Maximum
230Y/133 V
Secondary Voltage 1, Minimum
230Y/133 V
Secondary Voltage 2, Maximum
230Y/133 V
Secondary Voltage 2, Minimum
230Y/133 V
Secondary Voltage 3, Maximum
230Y/133 V
Secondary Voltage 3, Minimum
230Y/133 V
Series
DT661H
Temperature Rating, Maximum
302 F
Temperature Rating, Maximum
150 C
Temperature Rating, Minimum
302 F
Temperature Rating, Minimum
150 C
Type
SCR
Voltage Rating
460 Delta Primary / 230Y/133 Secondary
Voltage Rating
460 VAC (Primary), 230/133 VAC (Secondary)
Voltage Rating
460 Delta Primary, 230Y/133 Secondary
Voltage Rating
460 V primary, 230/133 V secondary
Package Dimensions (L x W x H)
27 IN x 19 IN x 34 IN
Package Dimensions (L x W x H)
68.58 cm x 48.26 cm x 86.36 cm
Package Weight (Imperial)
369.000 L
Package Weight (Metric)
167.378 kg
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Frequently Asked Questions

What is the kVA rating of this transformer?

This SolaHD transformer has a kVA rating of 51 kVA.

What is the primary voltage for this SolaHD model?

This SolaHD transformer operates with a 460 Delta Primary voltage.

What is the secondary voltage for this transformer?

This SolaHD transformer provides a 230Y/133 Volt Secondary voltage.

What are the physical dimensions of this transformer?

This transformer measures 28.00 in height, 23.00 in width, and 19 in depth.

What is the approximate shipping weight?

The approximate shipping weight for this transformer is 372.0 lbs (169.00 kg).

What is the enclosure design style?

This transformer uses Enclosure Design Style 2, which is a ventilated enclosure.

What certifications does this transformer hold?

This transformer is UL Listed (E25872 or E77014) and RoHS Compliant.

What is the operating frequency of the transformer?

The transformer is designed to operate at 60 Hz.

Which weather shield is compatible with this model?

The compatible weather shield for this model is WS-14, which must be ordered separately.

What is the warranty period for SolaHD transformers?

SolaHD Drive Isolation Transformers come with a 10-year limited warranty.

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.