
Contact for Pricing
Overview
- 7.5 kVA capacity with 575V primary and 230Y/133V secondary winding
- UL 506, UL 1561, CSA C22.2 No. 66, and cULus E7014 certified for safety
- Compact design for easy panel installation and reduced footprint
- Optimized for 60 Hz industrial drive applications (VFDs, motor controllers)
- Reduces noise, harmonics, and voltage spikes to protect sensitive electronics
Specifications
Connection Type | Delta Primary / Y/Delta Secondary |
Connection Type | Delta (Primary) / Y/Delta (Secondary) |
Current Rating | 7.5 kVA |
Frequency | 60 Hz |
Mounting Type | Compact installation |
Series | DT631F |
Voltage Rating | 575 V primary, 230Y/133 V secondary |
Voltage Rating | 575 Primary / 230Y/133 Secondary |
Voltage Rating | 575 Primary, 230Y/133 Secondary |
Package Dimensions (L x W x H) | 19.5 IN x 19.75 IN x 16.25 IN |
Package Dimensions (L x W x H) | 49.53 cm x 50.165 cm x 41.275 cm |
Package Weight (Imperial) | 135.000 L |
Package Weight (Metric) | 61.236 kg |

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
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
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
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
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
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
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
EDT651H14S
Drive Isolation Transformer, 14 kVA, Drive Horse Power 10, 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, UL1561Frequently Asked Questions
What are SolaHD drive isolation transformers used for?
SolaHD drive isolation transformers are designed for SCR variable speed motor drive applications to magnetically isolate the incoming line from the motor drive and provide voltage change.
What are the kVA, phase, and frequency for DT631F7.5S?
The DT631F7.5S is a 7.5 kVA, three-phase transformer operating at 60 Hz.
What are the primary and secondary voltages for DT631F7.5S?
The DT631F7.5S has a 575 Delta primary and a 230Y/133 secondary voltage.
What is the design style and enclosure type of the DT631F7.5S?
The DT631F7.5S is an encapsulated (Style 4) transformer and does not require a weather shield for NEMA 3R compliance.
What are the dimensions and shipping weight of the DT631F7.5S?
The DT631F7.5S measures 17.00 in H x 20.00 in W x 10.00 in D and has an approximate shipping weight of 236.0 lbs.
What is the warranty period for SolaHD drive isolation transformers?
SolaHD drive isolation transformers come with a 10-year limited warranty.
What certifications do SolaHD drive isolation transformers hold?
These transformers are UL Listed (E77014, UL 506; E25872, UL 1561) and CSA C22.2 No. 66 compliant.
Do these transformers have taps for incoming voltage adjustments?
Yes, all units include taps for adjustments to the incoming source voltage.
What are the primary voltage tap options for DT631F7.5S?
The DT631F7.5S has primary voltage taps for 604V, 575V, and 546V.
How do these transformers handle line to ground noise?
The transformers feature shielding designed to attenuate line to ground noise.
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.