SolaHD DT631H440S - Drive Isolation Transformer, 440 kVA, Drive Horse Power 400, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
SolaHD

DT631H440S

UPC: 783472543656

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Specification Sheet

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Overview

The SolaHD DT631H440S Drive Isolation Transformer is a high-capacity, industrial-grade power isolation solution designed for 400 HP motor drives and high-power applications. Rated at 440 kVA with a 575V delta primary input and a 230Y/133V secondary output, this transformer operates at 60 Hz, meeting North American industrial power standards. Its primary function is to provide electrical isolation between the power source and motor drives, protecting sensitive equipment from voltage spikes, harmonics, and transient disturbances common in variable frequency drive (VFD) applications. Key specifications include a 440 kVA capacity, 575V delta primary voltage, and 230Y/133V secondary winding configuration, ensuring compatibility with a wide range of industrial motors and drives. The transformer is UL Listed (E7014, UL 506, UL E25872, UL1561) and CSA C22.2 No.66 certified, guaranteeing compliance with North American safety and performance standards. This certification ensures the transformer meets stringent electrical safety requirements for industrial environments, including factories, manufacturing plants, and power distribution systems. The DT631H440S features a compact, space-saving design optimized for efficient heat dissipation, reducing the need for additional cooling systems and minimizing operational costs. Its robust construction supports long-term reliability, even in high-duty-cycle applications, while maintaining minimal energy loss. The transformer’s secondary output of 230Y/133V provides versatile voltage options for connecting to various motor drives and industrial equipment, ensuring compatibility with standard 230V and 133V systems.
  • 440 kVA capacity for 400 HP motor drives
  • 575V delta primary / 230Y/133V secondary voltage configuration
  • UL Listed (E7014, UL 506, UL E25872, UL1561) and CSA C22.2 No.66 certified
  • Compact design with efficient heat dissipation for long-term reliability
  • Reduces harmonic distortion and voltage spikes for motor drive protection

Specifications

Current Rating
440 kVA
Frequency
60 Hz
Series
DT631H
Series
Drive Isolation Transformer
Voltage Rating
575 Delta Primary / 230Y/133 Secondary
Voltage Rating
575V delta primary, 230Y/133V secondary
Drive Isolation Transformer, 440 kVA, Drive Horse Power 400, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT651H440S

Drive Isolation Transformer, 440 kVA, Drive Horse Power 400, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 175 kVA, Drive Horse Power 150, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT631H175S

Drive Isolation Transformer, 175 kVA, Drive Horse Power 150, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 75 kVA, Drive Horse Power 60, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT631H75S

Drive Isolation Transformer, 75 kVA, Drive Horse Power 60, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 330 kVA, Drive Horse Power 300, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT631H330S

Drive Isolation Transformer, 330 kVA, Drive Horse Power 300, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 93 kVA, Drive Horse Power 75, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT631H93S

Drive Isolation Transformer, 93 kVA, Drive Horse Power 75, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 51 kVA, Drive Horse Power 40, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

EDT631H51S

Drive Isolation Transformer, 51 kVA, Drive Horse Power 40, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 145 kVA, Drive Horse Power 125, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT631H145S

Drive Isolation Transformer, 145 kVA, Drive Horse Power 125, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 51 kVA, Drive Horse Power 40, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT631H51S

Drive Isolation Transformer, 51 kVA, Drive Horse Power 40, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 75 kVA, Drive Horse Power 60, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

EDT631H93S

Drive Isolation Transformer, 75 kVA, Drive Horse Power 60, 575 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 275 kVA, Drive Horse Power 250, 460 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT661H275S

Drive Isolation Transformer, 275 kVA, Drive Horse Power 250, 460 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 220 kVA, Drive Horse Power 200, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT651H220S

Drive Isolation Transformer, 220 kVA, Drive Horse Power 200, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 34 kVA, Drive Horse Power 25, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT651H34S

Drive Isolation Transformer, 34 kVA, Drive Horse Power 25, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

Frequently Asked Questions

What is the kVA rating for the DT631H440S transformer?

The DT631H440S transformer has a kVA rating of 440.

What is the drive horsepower for the DT631H440S model?

The DT631H440S model is rated for 400 drive horsepower.

What is the primary voltage for the DT631H440S transformer?

The DT631H440S transformer has a 575 Δ Primary voltage.

What is the secondary voltage for the DT631H440S transformer?

The DT631H440S transformer provides a 230Y/133 Volt Secondary.

What are the dimensions of the DT631H440S transformer?

The DT631H440S measures 65.00 in in height, 45.00 in in width, and 35.00 in in depth.

What is the approximate shipping weight of the DT631H440S?

The approximate shipping weight for the DT631H440S transformer is 2450.0 lbs.

Which weather shield is compatible with the DT631H440S transformer?

The WS-12 weather shield is compatible with the DT631H440S transformer and must be ordered separately.

What is the design style of the DT631H440S transformer?

The DT631H440S transformer is of Design Style 1, which is a Ventilated design.

What are the primary voltage tap settings for the DT631H440S?

The primary voltage taps for the 575 Δ Primary are 604V (Tap 1), 575V (Tap 2), and 546V (Tap 3).

What are SolaHD drive isolation transformers used for?

They are specifically designed for SCR (Silicon Control Rectifier) variable speed motor drive applications to magnetically isolate the incoming line and provide voltage change.

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.