SolaHD DT631H27S - Drive Isolation Transformer, 27 kVA, Drive Horse Power 20, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
SolaHD

DT631H27S

UPC: 783472400416

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Specification Sheet

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Overview

The SolaHD DT631H27S Drive Isolation Transformer is a high-efficiency, industrial-grade power solution designed for motor drive applications requiring precise voltage isolation and reliable performance. Rated at 27 kVA, this transformer features a 575 V Delta primary winding and a 230Y/133 V secondary winding, operating at a standard 60 Hz frequency to match North American industrial power systems. Engineered for 20 HP drive loads, it provides robust electrical isolation between the drive and motor, protecting sensitive electronics from voltage transients, harmonics, and ground faults. Certified to multiple safety standards, including UL E7014, UL 506, CSA C22.2 No. 66, UL E25872, and UL 1561, the DT631H27S meets stringent cULus and UL/CSA requirements for industrial environments. Its advanced insulation system and precision winding techniques minimize power loss and heat generation, ensuring long service life and reduced maintenance costs. The compact, modular design simplifies installation and integration into existing control panels or motor drive systems. Ideal for applications such as variable frequency drives (VFDs), industrial automation, pumps, conveyors, and heavy machinery, this transformer delivers consistent voltage regulation and enhanced system reliability. Its Delta-Wye configuration provides a neutral point for grounding, improving fault detection and reducing common-mode noise. With a footprint optimized for space-constrained installations, the DT631H27S is a dependable choice for manufacturers seeking compliant, high-performance power isolation in demanding industrial settings.
  • 27 kVA power rating for 20 HP motor drive applications
  • 575 V Delta primary / 230Y/133 V secondary voltage configuration
  • UL E7014, UL 506, CSA C22.2 No. 66, UL E25872, UL 1561 certified
  • Compact, modular design for easy installation and maintenance
  • Advanced insulation and precision winding for low power loss and heat generation

Specifications

Application
Drive Isolation
Frequency
60 Hz
KVA Rating
27 kVA
Mounting
Floor
Number Of Phases
3
Primary Voltage 1, Maximum
575D V
Primary Voltage 1, Minimum
575D V
Primary Voltage 2, Maximum
575D V
Primary Voltage 2, Minimum
575D V
Primary Voltage 3, Maximum
575D V
Primary Voltage 3, Minimum
575D 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
Temperature Rating, Maximum
302 F
Temperature Rating, Maximum
150 C
Temperature Rating, Minimum
302 F
Temperature Rating, Minimum
150 C
Type
SCR
Package Dimensions (L x W x H)
19 IN x 26 IN x 34 IN
Package Dimensions (L x W x H)
48.26 cm x 66.04 cm x 86.36 cm
Package Weight (Imperial)
294.000 L
Package Weight (Metric)
133.358 kg
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ABB's Machine tool core and coil transformers are isolation transformers designed to provide a high degree of secondary voltage stability (regulation) during a brief period of overload condition (also referred to as “inrush current”). They are ideal for applications where power regulation and space optimization are critical. Machine tool core and coil transformers feature welded cores to deliver outstanding performance, long life, and quiet operation.

9T58K4500G09

ABB's Machine tool core and coil transformers are isolation transformers designed to provide a high degree of secondary voltage stability (regulation) during a brief period of overload condition (also referred to as “inrush current”). They are ideal for applications where power regulation and space optimization are critical. Machine tool core and coil transformers feature welded cores to deliver outstanding performance, long life, and quiet operation.

Frequently Asked Questions

What is the kVA rating of the DT631H27S?

The DT631H27S transformer has a kVA rating of 27.

What is the primary voltage for DT631H27S?

The DT631H27S model has a 575 Delta Primary voltage.

What is the secondary voltage for DT631H27S?

The DT631H27S model provides a 230Y/133 Secondary voltage.

What is the horsepower rating for DT631H27S?

The DT631H27S is suitable for a 20 horsepower drive application.

What are the dimensions of the DT631H27S?

The DT631H27S measures 28.00 in height, 23.00 in width, and 19 in depth.

What is the shipping weight of the DT631H27S?

The approximate shipping weight for the DT631H27S is 277.0 lbs (126.00 kg).

What type of enclosure does DT631H27S use?

The DT631H27S uses Enclosure Design Style 2, which is a ventilated enclosure.

Is a weather shield available for DT631H27S?

Yes, the WS-14 weather shield is available for the DT631H27S and must be ordered separately.

What is the warranty period for SolaHD transformers?

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

What are the certifications for these transformers?

All models are UL Listed (E25872 or E77014) and RoHS Compliant. Units are also CSA marked.

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.