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Overview
- 1000 kVA three-phase capacity with K-Factor 4 rating for harmonic mitigation
- Primary voltage: 480V delta (PV), Secondary voltage: 480Y/277V wye (SV)
- Copper windings for superior conductivity and durability
- Convection air-cooled design with three coils and single 3-leg core
- Compliant with DOE 2016 and NRCan 2019 energy efficiency standards
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 |
Connection Type | D (Delta) / Y (Wye) |
Connection Type | 480D PV, 480Y/277 SV |
Connection Type | Three Phase |
Connection Type | Wye (Y) |
Connection Type | Wye-Delta |
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 |
Mounting | Floor Mount |
Mounting Method | Floor |
Number Of Phases | 3 |
Number Of Taps | ST-20 compliant |
Phase | A - 3PH Delta-Wye-N |
Phase | 3PH |
Poles | 3 |
Poles | 3PH |
Primary Voltage | 480 VAC |
Primary Voltage | 480D 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 | 480D PV / 480Y/277 V |
Voltage Rating | 480D primary, 480Y/277 secondary |
Voltage Rating | 480D PV / 480Y/277 SV |
Wall Mounting | No |
Warranty | 10 year warranty |
Weight | 5300 lbs |
Width | 54 IN |
Winding | K - CU + Shield |
Winding | CU |
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 |
Frequently Asked Questions
What are the primary and secondary voltages?
The primary voltage is 480V delta (PV) and the secondary voltage is 480Y/277V wye (SV).
What is the K-Factor rating of this transformer?
The transformer has a K-Factor rating of 4, designed to handle harmonic distortion from non-linear loads.
Is this transformer suitable for non-linear loads?
Yes, it is specifically designed for applications with significant harmonic distortion from non-linear loads.
What is the cooling method for this transformer?
The transformer uses convection air cooling, suitable for 15 kVA and larger units.
What standards does this transformer comply with?
The transformer is designed in accordance with UL, CSA, and NEMA standards.
Does this transformer include voltage taps?
Yes, the primary side includes taps that meet or exceed NEMA standards for voltage adjustment.
What is the construction type of this transformer?
It features three coils and a single 3-leg core, ventilated type construction.
Is this transformer suitable for European markets?
If shipping to Europe, the transformer will carry a CE mark.
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.