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Overview
- 75 kVA capacity with 50 hp drive rating
- 460 V delta primary and 460Y/266 V secondary configuration
- 60 Hz frequency, UL/CUL/CSA certified
- Compact, efficient design for industrial drive isolation
- Rated for high reliability and low loss operation
Specifications
Application | Drive Isolation |
Application | SCR Variable Speed Drives |
Brand Name | SolaHD |
Enclosure | Nema 3R with weather shield |
Frequency | 60 Hz |
Frequency Rating | 60 HZ |
Height | 28 IN |
KVA Rating | 75 kVA |
Length | 16 IN |
Mounting | Floor |
NEMA Frame Size | NEMA 3R |
Number Of Phases | 3 |
Primary Voltage | 460 Delta |
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 | 460Y/266 |
Secondary Voltage 1, Maximum | 460Y/266Y V |
Secondary Voltage 1, Minimum | 460Y/266Y V |
Secondary Voltage 2, Maximum | 460Y/266Y V |
Secondary Voltage 2, Minimum | 460Y/266Y V |
Secondary Voltage 3, Maximum | 460Y/266Y V |
Secondary Voltage 3, Minimum | 460Y/266Y V |
Special Features | Isolation minimizes load disturbances caused by the SCR drive. Taps on all units for adjustments to incoming source voltage. Full capacity secondary neutral as required by the NEC. |
Standard | cULus Listed: E77014, UL 506, CSA C22.2 No. 66, Listed E25872, UL 1561 |
Temperature Rating, Maximum | 302 F |
Temperature Rating, Maximum | 150 C |
Temperature Rating, Minimum | 302 F |
Temperature Rating, Minimum | 150 C |
Type | Drive Isolation Transformers: 7.5-440 kVA, Three Phase |
Type | SCR |
Width | 23 IN |
Package Dimensions (L x W x H) | 22.5 IN x 28 IN x 34 IN |
Package Dimensions (L x W x H) | 57.15 cm x 71.12 cm x 86.36 cm |
Package Weight (Imperial) | 536.000 L |
Package Weight (Metric) | 243.130 kg |

DT651H51S
Drive Isolation Transformer, 51 kVA, Drive Horse Power 40, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT661H40S
Drive Isolation Transformer, 40 kVA, Drive Horse Power 30, 460 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT651H20S
Drive Isolation Transformer, 20 kVA, Drive Horse Power 15, 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
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
DT651H40S
Drive Isolation Transformer, 40 kVA, Drive Horse Power 30, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT651H14S
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
DT661H20S
Drive Isolation Transformer, 20 kVA, Drive Horse Power 15, 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
DT661H75S
Drive Isolation Transformer, 75 kVA, Drive Horse Power 50, 460 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
DT631H40S
Drive Isolation Transformer, 40 kVA, Drive Horse Power 30, 575 Delta Primary, 230Y/133 Secondary, 60 HZ, cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
EDT651H93S
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, UL1561Frequently Asked Questions
What is the primary application of this transformer?
SolaHD Drive Isolation Transformers are designed for SCR (Silicon Control Rectifier) variable speed motor drive applications. They magnetically isolate the incoming line from the motor drive.
What kVA ratings are available for these transformers?
These transformers are available from 7.5 kVA through 440 kVA, 3 Phase, 60 Hz.
What is the warranty period for SolaHD Drive Isolation Transformers?
The transformers come with a 10-year limited warranty.
What are the dimensions of the 75 kVA model?
The 75 kVA model (EDT651H75S) has dimensions of 34.00 in height, 28.00 in width, and 26 in depth.
What is the shipping weight of the 75 kVA model?
The approximate shipping weight for the 75 kVA model (EDT651H75S) is 510.0 lbs.
What is the enclosure design style for the 75 kVA model?
The 75 kVA model (EDT651H75S) uses Enclosure Design Style 2, which is a ventilated design.
What certifications do these transformers have?
All models are UL Listed (E25872 or E77014) and RoHS Compliant. They are also CSA marked.
What are the primary voltage options for the 75 kVA model?
The 75 kVA model supports 460 Delta primary with 460Y/266 secondary, 460 Delta primary with 230Y/133 secondary, or 575 Delta primary with 230Y/133 secondary.
Is a full capacity secondary neutral provided?
Yes, a full capacity secondary neutral is provided as required by the National Electric Code.
What accessories are available for these transformers?
Available accessories include weather shields and wall mount brackets.
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.