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Overview
- 440 kVA rating with 400 hp drive capacity
- 460 V / 266 V secondary output, 460 Delta primary
- Operates at 60 Hz, UL listed (E7014, UL 506, CSA C22.2No.66, UL E25872, UL1561)
- Provides essential electrical isolation for motor drives
- Compact, high‑efficiency design reduces space and operating costs
Specifications
Connection Type | Delta Primary / Y Secondary |
Current Rating | 400 HP Drive Capacity |
Frequency | 60 Hz |
Material | Transformer |
Series | DT651H |
Voltage Rating | 460 Delta Primary / 460Y/266 Secondary |

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
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
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
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
DT651H145S
Drive Isolation Transformer, 145 kVA, Drive Horse Power 125, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT661H14S
Drive Isolation Transformer, 14 kVA, Drive Horse Power 10, 460 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT661H145S
Drive Isolation Transformer, 145 kVA, Drive Horse Power 125, 460 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT651H275S
Drive Isolation Transformer, 275 kVA, Drive Horse Power 250, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT661H330S
Drive Isolation Transformer, 330 kVA, Drive Horse Power 300, 460 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT651H93S
Drive Isolation Transformer, 93 kVA, Drive Horse Power 75, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT651H175S
Drive Isolation Transformer, 175 kVA, Drive Horse Power 150, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
EDT651H27S
Drive Isolation Transformer, 27 kVA, Drive Horse Power 20, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561Frequently Asked Questions
What are the dimensions of the DT651H440S transformer?
The DT651H440S measures 65.00 in height, 45.00 in width, and 35.00 in depth.
What is the shipping weight of the DT651H440S?
The approximate shipping weight for the DT651H440S is 2450.0 lbs (1111.00 kg).
What is the design style of the DT651H440S?
The DT651H440S is a Style 1, which means it is a Ventilated design.
What are SolaHD drive isolation transformers used for?
They are specifically designed for SCR variable speed motor drive applications to magnetically isolate the incoming line from the motor drive and provide voltage change.
What is the kVA and horsepower rating for DT651H440S?
The DT651H440S transformer has a 440 kVA rating and supports 400 horsepower drives.
What is the primary voltage for the DT651H440S model?
The DT651H440S (Group I) has a 460 Delta Primary voltage.
What are the secondary voltage options for DT651H440S?
The DT651H440S (Group I) provides 460Y/266 Volt Secondary.
What NEMA rating do these transformers have?
They have UL Listed/NEMA Type 3R enclosures when used with an optional weather shield.
Is a weather shield required for the DT651H440S?
Yes, the DT651H440S requires the WS-12 weather shield to achieve NEMA 3R rating, which must be ordered separately.
What is the warranty for SolaHD drive isolation 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.