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Hammond Power DM051JJC - Drive isolation transformer, three-phase, 51 kVA, 460–460 Volts, copper windings.

Hammond Power DM051JJC Drive isolation transformer, three-phase, 51 kVA, 460–460 Volts, copper windings.

UPC: 803423003302


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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 DM051JJC is a three-phase drive isolation transformer engineered for demanding industrial applications. This 51 kVA unit features robust copper windings and operates with a 460V primary and secondary voltage, designed to meet the specific requirements of AC and DC variable speed drives. Its construction ensures reliable performance by providing the necessary voltage transformation and isolation, crucial for protecting sensitive drive electronics from line noise and voltage fluctuations. The DM051JJC is built to the quality standards of Hammond Power Solutions, a recognized leader in transformer manufacturing. Its three-phase design and 51 kVA rating make it suitable for integration into various industrial power systems where precise voltage control and equipment protection are paramount. This transformer is ideal for applications involving motor control, automation, and power distribution systems that utilize variable frequency drives (VFDs). The use of copper windings contributes to efficient power transfer and longevity. Manufactured in the USA, the DM051JJC (SKU: DM051JJC) adheres to the UNSPSC code 39121001, signifying its role in electrical power distribution and control equipment. This unit is part of the HPS TRIBUNE series, known for its durability and performance in industrial settings.
  • 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.
  • 460V primary and secondary voltage
  • Designed for AC and DC variable speed drives

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
51 KVA
Length
25 in
Length
635 mm
Mounting
Floor or Wall mount
Mounting Method
Wall and Floor
Number Of Phases
3
Number Of Taps
ST-20 compliant
Phase
3PH
Primary Voltage
460 V
Secondary Voltage
460Y V
Secondary Voltage
240 V
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
51KVA
Type
Transformers > Drive Isolation
Wall Mounting
Yes
Warranty
10 year warranty
Weight
32 lbs./100ft
Width
23.9 in
Width
607.06 mm
Winding
Copper
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)
440.000 L
Package Weight (Metric)
199.584 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 insulation system temperature rating?

The transformers utilize a uniform 220°C insulation system, with options for 80°C, 115°C, or 150°C temperature rise.

What enclosure types are available for these transformers?

Standard is a Type 3R enclosure suitable for indoor/outdoor use. Optional types include 4, 4X (stainless steel), and 12.

Are thermostats included with these transformers?

Yes, a thermostat is a standard feature included on all units.

What is the frequency rating for these transformers?

These transformers are rated for a frequency of 60 Hz.

What conductor materials are used in the transformers?

The transformers are precision wound using either copper or aluminum conductors.

What are the UL and CSA certification details?

The transformers are UL Listed under File E112313 and CSA Certified under File LR3902.

How are the high and low voltage terminations accessed?

Terminations are front accessible, separate for high and low voltage, and suitable for copper and aluminum cable installation.

What is the short circuit withstand capability?

All units meet UL and CSA short circuit withstand requirements.

What is the typical impedance for these transformers?

The typical impedance for these transformers is between 3% and 6%.

What mounting options are available for units up to 51 kVA?

Units up to 51 kVA feature integral floor and wall mounting brackets for faster installation.

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.