
Hammond Power Y075QTC 600V Class Three Phase Autotransformer, 600Y, 480Y - 400Y, 240Y 208Y Volts, 75 kVA
UPC: 803423082048
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 75 kVA three-phase autotransformer for voltage correction in industrial systems
- Input: 480Y/400Y, Output: 240Y/208Y (600V class)
- Less than 3% impedance for minimal voltage drop and energy loss
- Heavy-duty Type 3R enclosure with optional Type 4/4X stainless steel
- UL1604 (Class I, Division 2) and CSA certified, NEMA ST-20 compliant
- Top-accessible high/low voltage leads, standard conduit knock-outs
- 130°C insulation system, 80°C temperature rise, encapsulated options available
Specifications
Application | Economically match system and machine operating voltages where isolation isn't required. |
Cooling | Convection cooled |
Enclosure | NH6-N3R - Indoor or Outdoor |
Frequency Rating | 60 HZ |
Height | 28.75 in |
KVA Rating | 75 KVA |
Length | 25 in |
Mounting | Floor Mount |
Number Of Phases | 3 |
Number Of Taps | ST-20 compliant |
Primary Voltage | 600Y, 480Y, 400Y, 240Y, 208Y V |
Secondary Voltage | 600Y, 480Y, 400Y, 240Y, 208Y V |
Special Features | Provides multiple voltages in smaller footprints than isolation transformers. |
Standard | CSA, UL |
Temperature Rating | Typical 30 Average/ 40 Maximum Deg C |
Type | Autotransformer > Distribution |
Voltage Rating | 600Y/480Y-400Y V (Primary), 240Y/208Y V (Secondary) |
Width | 23.9 in |
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) | 400.000 L |
Package Weight (Metric) | 181.440 kg |
Frequently Asked Questions
What is the frequency rating for these autotransformers?
The autotransformers are rated for 60 Hz. Some models are also available for 50/60 Hz operation.
What types of enclosures are available for these autotransformers?
Standard enclosures are heavy duty type 3R. Optional types include 4, 4X (Stainless steel), and 12.
Are neutral terminals standard on these autotransformers?
The part numbers listed are provided with neutral terminals. Autotransformers without neutral terminals are available as a special order.
What are the available voltage options for the autotransformers?
Available voltage configurations include 600Y - 480Y, 480Y - 380Y, 600Y, 480Y - 400Y, 240Y, 208Y, and 240Y, 216Y - 208Y.
Are optional type 4, 12, or stainless steel enclosures available?
Yes, optional type 4, 4X (Stainless steel), and 12 enclosures are available.
Can these autotransformers be used in applications requiring load isolation?
No, autotransformers are used when load isolation from the supply line is not required.
Can these autotransformers be used for step-up or step-down applications?
Yes, autotransformers can be used as either a step-up or step-down transformer.
What is the impedance for these autotransformers?
The impedance for these autotransformers is less than 3%.
What insulation system is used for these autotransformers?
Insulation systems include 130°C (80°C rise) standard on all units, and 180°C (115°C rise) standard on encapsulated units.
What is the sound level rating for these autotransformers?
The sound level meets NEMA ST-20 standards, with an optional low noise version available on request.
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.





