SolaHD DT661F7.5S - Drive Isolation Transformer, 7.5 kVA, Drive Horse Power 5, 460 Delta Primary, 230Y/133 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
SolaHD

DT661F7.5S

UPC: 783472542703

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Specification Sheet

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Overview

The SolaHD DT661F7.5S Drive Isolation Transformer is engineered for high‑reliability industrial motor applications. With a 7.5 kVA rating and a 460 V delta primary, it delivers robust voltage isolation to protect drive circuits from voltage spikes and harmonics. The 230 Y/133 V secondary provides a balanced output suitable for a wide range of motor control systems. Designed for 60 Hz operation, this transformer meets stringent safety standards, including UL 506, UL 1561, UL E25872, CSA C22.2 No.66, and cULus E7014, ensuring compliance in demanding environments. Its compact footprint and efficient core material reduce heat buildup, extending service life and lowering maintenance costs. Ideal for use in electric drives, variable frequency drives, and motor control centers, the DT661F7.5S offers precise voltage regulation, low distortion, and excellent transient response. Manufactured by SolaHD, a leader in power electronics, this transformer combines durability with performance, making it a reliable choice for industrial automation and heavy‑equipment applications.
  • 7.5 kVA rating for high‑power motor drives
  • 460 V delta primary with 230 Y/133 V secondary output
  • UL 506, UL 1561, UL E25872, CSA C22.2 No.66, cULus E7014 certification
  • Compact design with efficient core for low heat buildup
  • Ideal for 60 Hz industrial motor control and variable frequency drives

Specifications

Application
SCR Variable Speed Drives
Brand Name
SolaHD
Enclosure
Nema 3R with weather shield
Frequency
60 Hz
Frequency Rating
60 HZ
Height
17 IN
KVA Rating
7.5
Length
10 IN
NEMA Frame Size
NEMA 3R
Number Of Phases
3
Primary Voltage
460 Delta
Primary Voltage 1, Maximum
460
Primary Voltage 1, Minimum
460
Primary Voltage 2, Maximum
460
Primary Voltage 2, Minimum
460
Primary Voltage 3, Maximum
460
Primary Voltage 3, Minimum
460
Secondary Voltage
230Y/133
Secondary Voltage 1, Maximum
230Y/133
Secondary Voltage 1, Minimum
230Y/133
Secondary Voltage 2, Maximum
230Y/133
Secondary Voltage 2, Minimum
230Y/133
Secondary Voltage 3, Maximum
230Y/133
Secondary Voltage 3, Minimum
230Y/133
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
Type
Drive Isolation Transformers: 7.5-440 kVA, Three Phase
Width
20 IN
Package Dimensions (L x W x H)
19 IN x 16 IN x 16 IN
Package Dimensions (L x W x H)
48.26 cm x 40.64 cm x 40.64 cm
Package Weight (Imperial)
260.000 L
Package Weight (Metric)
117.936 kg
Drive Isolation Transformer, 7.5 kVA, Drive Horse Power 5, 460 Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT651F7.5S

Drive Isolation Transformer, 7.5 kVA, Drive Horse Power 5, 460 Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
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

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
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
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

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
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

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
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

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
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

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
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

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
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

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
Drive Isolation Transformer, 75 kVA, Drive Horse Power 50, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT651H75S

Drive Isolation Transformer, 75 kVA, Drive Horse Power 50, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561
Drive Isolation Transformer, 118 kVA, Drive Horse Power 100, 460 Delta Primary, 460Y/266 Secondary, 60 HZ , cULus Listed: E7014, UL 506, CSA C22.2No.66, UL Listed E25872, UL1561

DT651H118S

Drive Isolation Transformer, 118 kVA, Drive Horse Power 100, 460 Delta Primary, 460Y/266 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, 460 Delta Primary, 460Y/266 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

Frequently Asked Questions

What is the kVA rating of the DT661F7.5S transformer?

The DT661F7.5S transformer has a kVA rating of 7.5.

What are the primary and secondary voltages for DT661F7.5S?

The primary voltage is 460 Delta, and the secondary voltage is 230Y/133.

What is the operating frequency for the DT661F7.5S transformer?

The DT661F7.5S transformer operates at 60 Hz.

What are the physical dimensions of the DT661F7.5S unit?

The dimensions are 17.00 in height, 20.00 in width, and 10.00 in depth.

What is the approximate shipping weight of the DT661F7.5S?

The approximate shipping weight is 236.0 lbs (107.00 kg).

Does the DT661F7.5S require a weather shield for NEMA 3R?

No, the DT661F7.5S is an encapsulated unit and does not require a weather shield for NEMA 3R compliance.

What is the design style of the DT661F7.5S transformer?

The DT661F7.5S transformer is of Design Style 4, which is encapsulated.

What primary voltage taps are available for the DT661F7.5S?

Primary voltage taps are available for 483V, 460V, and 437V.

What secondary voltage options are available for the DT661F7.5S?

Secondary voltage options are 230V (X1, X2, X3) and 133V (X0-X1, X2, X3).

What are the safety certifications for the DT661F7.5S transformer?

The DT661F7.5S is cULus Listed E77014, compliant with UL 506 and CSA C22.2 No. 66.

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.