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Hammond Power DM020CC - Drive isolation transformer, three-phase, 20 kVA, 230–230 Volts, aluminum windings.

Hammond Power DM020CC Drive isolation transformer, three-phase, 20 kVA, 230–230 Volts, aluminum windings.

UPC: 803423002770


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BrochureTechnical BulletinInstallation InstructionsSpecification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Hammond Power DM020CC is a 20 kVA, three-phase drive isolation transformer designed for reliable power supply to DC and variable speed AC drives. This dry-type transformer features aluminum windings and a 1.2kV class rating, adhering to standards such as ANSI C57.12.01/NEMA ST-20, IEEE C57.110-1998, UL 1561, and CSA C9 & CA 22.2 No. 47. It is constructed for low loss operation and includes design features to withstand harmonics, making it suitable as an output transformer for variable speed AC drives. The DM020CC is built to supply power to variable speed AC drives, ensuring efficient energy transfer and operational stability. Its robust construction and adherence to industry standards make it a dependable choice for motor control and power distribution systems requiring voltage isolation and conditioning. Manufactured by Hammond Power Solutions, this transformer is engineered for demanding industrial applications.
  • 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.
  • Designed for DC and variable speed AC drives
  • Meets ANSI C57.12.01/NEMA ST-20, IEEE C57.110-1998, UL 1561, CSA C9 & CA 22.2 No. 47 standards

Specifications

Application
Variable Speed Drives.
Cooling
Convection cooled
Enclosure
NH6-N3R - Indoor or Outdoor
Enclosure Colour
ANSI 61 Grey, UL50
Frequency
60 Hz
Frequency Rating
60 HZ
Height
28.75 in
Height
730.25 mm
KVA Rating
20 KVA
Length
25 in
Length
635 mm
Material
Aluminum
Mounting
Floor or Wall mount
Mounting Method
Wall and Floor
Number Of Phases
3
Number Of Taps
ST-20 compliant
Phase
3PH
Poles
3
Primary Voltage
230 V
Secondary Voltage
230Y V
Series
DM
Size
20 kVA
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
20KVA
Type
Transformers > Drive Isolation
Voltage Rating
230-230 V
Wall Mounting
Yes
Warranty
10 year warranty
Weight
32 lbs./100ft
Width
23.9 in
Width
607.06 mm
Winding
Aluminum
Package Dimensions (L x W x H)
23.9 IN x 25 IN x 28.75 IN
Package Dimensions (L x W x H)
60.706 cm x 63.5 cm x 73.025 cm
Package Weight (Imperial)
260.000 L
Package Weight (Metric)
117.936 kg
A - 15.0 kV bushing

015J0400AN

A - 15.0 kV bushing
O Plus C - 34.5 kV bushing

034Z3000AW

O Plus C - 34.5 kV bushing

Frequently Asked Questions

What is the kVA rating of the DM020CC transformer?

The Hammond Power DM020CC is a 20 kVA drive isolation transformer.

What type of windings does the DM020CC transformer use?

The DM020CC transformer features aluminum windings.

What standards does the DM020CC transformer comply with?

The DM020CC transformer complies with ANSI C57.12.01/NEMA ST-20, IEEE C57.110-1998, UL 1561, and CSA C9 & CA 22.2 No. 47.

What is the class rating of the DM020CC transformer?

The DM020CC transformer has a 1.2kV Class rating.

What applications is the DM020CC transformer designed for?

The DM020CC transformer is designed for supplying power to DC and variable speed AC drives.

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.