SolaHD 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
SolaHD

DT651H40S

UPC: 783472400768


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Specification Sheet

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Overview

The SolaHD DT651H40S is a robust 40 kVA drive isolation transformer designed for high‑performance industrial drives. With a 460 Δ primary winding and a 460 Y/266 V secondary, it provides precise voltage regulation and excellent isolation between the drive and motor circuits. Operating at 60 Hz, this transformer meets the stringent electrical standards required for modern industrial applications. It is UL 7014, UL 506, CSA C22.2 No.66, UL E25872, and UL 1561 listed, ensuring reliability and safety on the factory floor. The compact, high‑efficiency design minimizes space requirements while delivering superior power handling and reduced heat generation. Ideal for motor drives, variable frequency drives, and other heavy‑load equipment, the DT651H40S enhances system performance, protects against electrical noise, and extends equipment lifespan. SolaHD’s reputation for quality engineering guarantees a transformer that delivers consistent performance over its service life, making it a trusted choice for manufacturers and maintenance teams alike.
  • 40 kVA power rating for high‑capacity drives
  • 460 Δ primary and 460 Y/266 V secondary windings for optimal voltage conversion
  • 60 Hz operation suited for standard industrial power systems
  • UL 7014, UL 506, CSA C22.2 No.66, UL E25872, UL 1561 listings for safety and compliance
  • Compact, high‑efficiency design reduces heat and space requirements

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
40 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)
20.7 IN x 29 IN x 33.7 IN
Package Dimensions (L x W x H)
52.578 cm x 73.66 cm x 85.598 cm
Package Weight (Imperial)
327.000 L
Package Weight (Metric)
148.327 kg
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Frequently Asked Questions

What is the kVA rating of the DT651H40S transformer?

The DT651H40S is a 40 kVA, three-phase drive isolation transformer.

What are the primary and secondary voltages for the DT651H40S?

The DT651H40S has a 460 Delta primary and a 460Y/266 secondary voltage.

What are the physical dimensions of the DT651H40S?

The DT651H40S measures 28.00 in height, 23.00 in width, and 19 in depth.

What is the approximate shipping weight of the DT651H40S?

The approximate shipping weight for the DT651H40S is 329.0 lbs (149.00 kg).

What enclosure design style does the DT651H40S use?

The DT651H40S utilizes Enclosure Design Style 2, which is a ventilated enclosure.

What primary voltage taps are available for a 460 Delta primary?

For a 460 Delta primary, available taps are 483V, 460V, and 437V.

What is the operating frequency of these transformers?

These transformers are designed for 60 Hz operation.

Does the DT651H40S require a weather shield for NEMA 3R rating?

Yes, the DT651H40S requires weather shield WS-14 for a NEMA Type 3R enclosure rating. Weather shields must be ordered separately.

What is the warranty for SolaHD Drive Isolation Transformers?

SolaHD Drive Isolation Transformers are covered by a 10-year limited warranty.

What is the main application for these drive isolation transformers?

These transformers are designed for SCR (Silicon Control Rectifier) variable speed motor drive applications.

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.