Hammond Power DM660JC - Drive Transformer, 660 kVA, 460V to 230V, aluminum windings.
Hammond Power

DM660JC

UPC: 803423004712

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Overview

The Hammond Power DM660JC is a robust three-phase drive isolation transformer, engineered for demanding AC and DC variable speed drive applications. This unit provides essential voltage transformation from 460V Delta primary to 230Y secondary, with a substantial 660 kVA rating. Constructed with durable aluminum windings, it ensures efficient power transfer and reliability in industrial settings. The transformer is designed to meet the rugged demands of modern motor control systems, offering the required voltage change while isolating the drive from potential line disturbances. Its robust insulation system, rated for 80°C temperature rise and 130°C insulation class for this VA range, contributes to its longevity and performance. The DM660JC features high-quality silicon steel laminations for optimal performance and is built to withstand harsh industrial environments. It is suitable for both floor and wall mounting, offering installation flexibility. This transformer is a critical component for ensuring stable and protected operation of variable speed drives in manufacturing, processing, and other industrial automation scenarios. Manufactured in the US, the DM660JC embodies Hammond Power's commitment to quality and dependable power solutions.
  • The separate primary and secondary windings provide electrical isolation between the incoming line and the SCR load.
  • The windings are designed to withstand overcurrent of 150% of the rated load for 60 seconds or 200% of the rated load for 30 seconds.
  • Drive Isolation Transformers are sized to match standard motor horsepower and voltage ratings. Standard sizes range from 5 to 600 HP in six standard voltages.
  • Aluminum Windings for efficient power transfer
  • Designed for AC and DC variable speed drives

Specifications

Application
Variable Speed Drives.
Cooling
Convection cooled
Enclosure
NJ3-N3R - Indoor or Outdoor
Enclosure Colour
ANSI 61 Grey, UL50
Frequency
60 Hz
Frequency Rating
60 HZ
Height
66 in
KVA Rating
660 kVA
Length
43.4 in
Length
1102.36 mm
Mounting
Floor Mount
Mounting Method
Floor
Number Of Phases
3
Number Of Taps
ST-20 compliant
Phase
3PH
Primary Voltage
460 V
Secondary Voltage
230Y V
Secondary Voltage
400
Sound Level dBA
Meets NEMA ST-20 standards
Special Features
Designed to withstand overcurrent of 150% of the rated load for 60 seconds or 200% of the rated load for 30 seconds. Comes standard in an indoor/outdoor enclosure with a coil mounted thermal warning switch.
Standard
CSA, UL
Temperature Rating
Typical 30 Average/ 40 Maximum Deg C
Temperature Rise
115 Deg C
Transformer Rating
660kVA
Type
Transformers > Drive Isolation
Voltage Rating
600V Class
Wall Mounting
No
Warranty
10 year warranty
Weight
32 lbs./100ft
Width
51.5 in
Winding
Aluminum
Package Dimensions (L x W x H)
51.5 IN x 43.4 IN x 66 IN
Package Dimensions (L x W x H)
130.81 cm x 110.236 cm x 167.64 cm
Package Weight (Imperial)
3200.000 L
Package Weight (Metric)
1451.520 kg
Drive Transformer, 660 kVA, 230V to 230V, aluminum windings.

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Frequently Asked Questions about Hammond Power

What certifications and standards do Hammond Power products comply with?

Hammond Power products are certified to UL (Underwriters Laboratories) and CSA (Canadian Standards Association) standards in North America. Our products meet rigorous safety and performance requirements, with many items classified as UL Listed Products or Recognized Components. We also comply with international certifications including China Compulsory Certification (CCC), C-Tick for Australian EMC requirements, and ANCE for Mexico.

What is Hammond Power's warranty policy?

Hammond Power provides a standard one-year warranty on all products, covering defects in workmanship and materials. Products will be repaired or replaced free of charge if found defective upon factory inspection. The warranty does not cover damage from improper handling, incorrect application, or faulty installation.

What industries and applications are Hammond Power products used for?

Hammond Power products are engineered for critical industrial and commercial applications across multiple sectors, including petrochemical, mining, construction, renewable energy, e-mobility, power storage, and microgrids. Their comprehensive product range of dry-type transformers, power quality solutions, and magnetic components enables electrical distribution and electrification in diverse industrial environments worldwide.

What are the main product lines offered by Hammond Power?

Hammond Power Solutions offers a comprehensive range of dry-type and liquid-filled transformers for industrial and commercial applications. Their primary product lines include power transformers for renewable energy, e-mobility, data centers, microgrids, and industrial settings. The company provides both standard and custom-designed transformer solutions that are critical to electrical distribution networks across multiple industries.

What are the key features of Hammond Power products?

Hammond Power products feature advanced dry-type and liquid-filled transformers engineered for diverse industrial applications, with capabilities spanning renewable energy, e-mobility, data centers, microgrids, and industrial/commercial sectors. Key features include high-performance electrical steel laminations, windings available in copper or aluminum, advanced insulation systems (VPI or Cast Resin), Basic Impulse Level ranges from 10 kV to 250 kV, and custom design capabilities with over 3,000 unique transformer designs engineered annually.

What environmental ratings do Hammond Power products have?

Hammond Power offers industrial enclosures with comprehensive environmental ratings, including UL/cUL 508A ratings of Type 1, 2, 3, 4, 4X, 12, and 13. Their products meet IEC 60529 IP66 standards, providing robust protection against dust, water ingress, and harsh environmental conditions. Specific ratings vary by product series, with options ranging from indoor Type 1 enclosures to outdoor-rated Type 4X enclosures suitable for challenging industrial environments.

What technical support does Hammond Power offer?

Hammond Power Solutions provides comprehensive technical support through multiple channels. Customers can access technical resources via phone support in Canada, the United States, Mexico, and internationally, with toll-free numbers and regional contact points. Their technical team offers personalized assistance for custom design inquiries, helping customers find standard transformer and power solutions or develop specialized electrical products for various industrial applications.

What communication protocols do Hammond Power products support?

Hammond Power products support multiple industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, and CANopen. These protocols enable flexible connectivity across industrial automation platforms, supporting various network topologies and high-speed data transmission for comprehensive industrial control and monitoring applications.

What accessories are available for Hammond Power products?

Hammond Power offers a comprehensive range of accessories for industrial electrical components, including HME Series handles with key locking and padlocking options, door stop kits, light kit mounting brackets, and standard hardware like mounting screws and washers. These accessories are designed to enhance functionality and installation flexibility across their product lines.

How are Hammond Power products typically installed?

Hammond Power transformers are typically chassis-mounted using precise mounting hole centers and dimensions specific to each product series. Installation involves selecting the appropriate primary voltage configuration, securing the transformer to a mounting surface using the specified mounting holes, and connecting terminals according to the product's schematic. Most Hammond Power transformers feature multiple terminal options like solder or quick-connect terminals, allowing flexible and straightforward installation in industrial control and power distribution applications.