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Overview
- 145 kVA isolation power for 125 HP drive systems
- 460V Delta primary / 230Y/133V secondary windings
- UL 506, CSA C22.2 No.66, cULus E7014, UL Listed E25872, UL1561 compliant
- Protects drives from voltage spikes and harmonics
- Manufactured in the US with UNSPSC 39121029
Specifications
Frequency | 60 Hz |
Series | DT661H |
Size | 145 kVA |
Voltage Rating | 460V Delta Primary, 230Y/133 Secondary |
Voltage Rating | 460V Delta Primary / 230Y/133V Secondary |

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
TE3A0040JJM
600V Class Three Phased DOE2016 and NRCan 2019 Compliant Energy Efficient Drive Isolation Transformer 40kVA 460D-460Y/266V CU 60Hz 3R
9T10A1004G63
ABB's Guard I&trade, Noise Isolation Transformers provide common mode noise signal between neutral and ground and transverse mode noise protection. Common mode noise is caused by electromagnetic interference, radio interference and ground loops.Frequently Asked Questions
What is the primary application of this transformer?
This transformer is designed for SCR (Silicon Control Rectifier) variable speed motor drive applications to magnetically isolate the incoming line from the motor drive.
What are the kVA and phase specifications for DT661H145S?
The DT661H145S is a 145 kVA, three-phase transformer, operating at 60 Hz.
What horsepower drive is compatible with DT661H145S?
The DT661H145S transformer is compatible with a 125 horsepower drive.
What are the primary and secondary voltages for DT661H145S?
The DT661H145S has a 460 Delta primary and a 230Y/133 Volt secondary.
What NEMA rating does DT661H145S achieve with accessories?
The DT661H145S achieves a NEMA Type 3R enclosure rating when used with the optional weather shield.
What is the warranty period for this transformer?
The SolaHD drive isolation transformers, including DT661H145S, come with a 10-year limited warranty.
What are the dimensions of the DT661H145S transformer?
The DT661H145S transformer measures 44.00 in high, 33.00 in wide, and 21.00 in deep.
What is the approximate shipping weight of DT661H145S?
The approximate shipping weight for the DT661H145S transformer is 920.0 lbs (417.00 kg).
Is a weather shield required for the DT661H145S?
Yes, the DT661H145S requires a WS-10 weather shield, which must be ordered separately, to achieve NEMA 3R rating.
Does the DT661H145S have voltage adjustment taps?
Yes, the DT661H145S has taps for adjusting to incoming source voltage, specifically for 483, 460, and 437 primary volts.
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.