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Hammond Power SK3A1000PK4K - 600V Class Three Phase DOE2016 and NRCan 2019 Compliant Energy Efficient K-Factor Transformer, K-Factor 4, 600D PV, 480Y/277 SV, 1000 kVA, Three Phase, Copper Wound, Shielded
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Hammond Power

SK3A1000PK4K

UPC: 803423129323

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Overview

Hammond Power’s SK3A1000PK4K is a 1000 kVA, three-phase K-Factor 4 transformer engineered for non-linear loads with high harmonic distortion. This copper-wound, shielded transformer meets DOE2016 and NRCan 2019 energy efficiency standards, ensuring compliance with North American regulations for energy-efficient power distribution. Rated at 600V class with a primary voltage of 600D PV and secondary voltage of 480Y/277V, it delivers clean power in environments where harmonic distortion is a concern, such as data centers, industrial facilities, and commercial buildings with variable frequency drives (VFDs), UPS systems, or other non-linear equipment. The SK3A1000PK4K features a shielded design for enhanced protection against electrical noise and interference, providing reliable power delivery in demanding applications. With a K-Factor 4 rating, it is optimized to handle harmonic currents up to 100% of the transformer’s rated current, making it ideal for applications with high harmonic content. The transformer is manufactured in the US, offering reliability and compliance with North American standards. Key specifications include a case style DH7 with dimensions of 54" (1372 mm) width, 47" (1194 mm) depth, and 72" (1829 mm) height. It weighs approximately 5300 lbs (2404 kg) and is designed for floor mounting with optional wall/ceiling mounting available via the DW3 kit. The enclosure is a heavy-duty ventilated Type 3R standard with ANSI 61 Grey finish, meeting NEMA ST-20 sound level standards. It includes factory-installed grounding lugs, outward-facing mounting holes, separate high and low voltage terminal boards, and pre-installed lugs for easy installation. This transformer is distributed by Gross Automation and is suitable for applications requiring robust, energy-efficient power distribution with minimal losses. Its copper winding ensures high efficiency and long-term reliability, while the shielded design protects sensitive equipment from electrical noise and interference.
  • Specifically designed to handle the harmonics generated by non-linear loads such as computer and telecommunication equipment, drives and other power electronics
  • Meets North American Efficiency Standards: U.S. - DOE 10 CFR Part 431 (DOE 2016); Canada - SOR/2018-201, (NRCan 2019) & ON Reg. 404/12;  Mexico - NMX-J-351-ANCE-2021
  • Standard three phase voltage groups available at k-factor ratings of K4, K9, K13
  • Copper-wound, shielded design for enhanced protection against electrical noise
  • Case style DH7, dimensions: 54" x 47" x 72", weight: 5300 lbs

Specifications

Application
Addresses the overheating problems due to harmonics associated with non-linear loads where drives, personal computers, telecommunications equipment, broadcasting equipment and other similar power electronics are found in high concentrations.
Cable Entry
Side knock-outs standard on all units
Color
Blue
Connection Type
Wye (Y)
Cooling
Convection cooled
Depth
46.5 IN
Enclosure
DH7-N3R - Indoor or Outdoor
Enclosure Color
ANSI 61 Grey
Enclosure Type
3R
Frequency
60 Hz
Frequency Rating
60 HZ
Height
72 in
KVA Rating
1000 kVA
Length
46.5 IN
Material
Copper
Material
Copper Wound, Shielded
Mounting
Floor Mount
Mounting Method
Floor
Mounting Type
Indoor
Number Of Phases
3
Number Of Taps
ST-20 compliant
Phase
A - 3PH Delta-Wye-N
Phase
3PH
Poles
Three Phase
Poles
3 Phase
Primary Voltage
600D V
Secondary Voltage
480Y/277V
Series
SK3A
Size
1000 kVA
Sound Level dBA
Meets NEMA ST-20 standards
Special Features
Meets current DOE 10 CFR part 431 (2016) and C802.2 efficiencies in an outdoor type enclosure. Smaller kVA sizes have standard input and/or output lugs, knockouts, and wall mounting brackets to save installation costs.
Standard
CSA, UL
Temperature Rating
Typical 30 Average/ 40 Maximum Deg C
Temperature Rise
150
Transformer Rating
1000kVA
Type
Transformer > Distribution > DOE 2016 Energy Efficient > K Factor > Three Phase
Voltage Rating
480Y/277 VAC
Voltage Rating
600D/480Y/277 VAC
Wall Mounting
No
Warranty
10 year warranty
Weight
5300 lbs
Width
54 IN
Winding
CU
Winding
K - CU + Shield
Package Dimensions (L x W x H)
46.5 IN x 54 IN x 72 IN
Package Dimensions (L x W x H)
118.11 cm x 137.16 cm x 182.88 cm
Package Weight (Imperial)
5300.000 L
Package Weight (Metric)
2404.080 kg
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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.