
Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 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.
- Durable aluminum windings for reliable performance
- Manufactured in the USA by Hammond Power
Specifications
Application | Variable Speed Drives. |
Cooling | Convection cooled |
Enclosure | NJ1-N3R - Indoor or Outdoor |
Enclosure Colour | ANSI 61 Grey, UL50 |
Frequency | 60 Hz |
Frequency Rating | 60 HZ |
Height | 51.5 in |
Height | 1308.1 mm |
KVA Rating | 330 kVA |
Length | 34 in |
Length | 863.6 mm |
Mounting | Floor Mount |
Mounting Method | Floor |
Number Of Phases | 3 |
Number Of Taps | ST-20 compliant |
Phase | 3PH |
Primary Voltage | 575 V |
Secondary Voltage | 575Y V |
Secondary Voltage | 480 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 | 330kVA |
Type | Transformers > Drive Isolation |
Wall Mounting | No |
Warranty | 10 year warranty |
Weight | 32 lbs./100ft |
Width | 39.5 in |
Width | 1003.3 mm |
Winding | Aluminum |
Package Dimensions (L x W x H) | 39.5 IN x 34 IN x 51.5 IN |
Package Dimensions (L x W x H) | 100.33 cm x 86.36 cm x 130.81 cm |
Package Weight (Imperial) | 1650.000 L |
Package Weight (Metric) | 748.440 kg |
Frequently Asked Questions
Are the transformers UL listed and CSA certified?
Yes, all HPS Tribune transformers are UL Listed (File: E112313) and CSA Certified (File: LR3902).
What is the operating frequency for these transformers?
The transformers are designed to operate at a frequency of 60 Hz.
Are thermostats included with the units?
Yes, a thermostat is standard on all units.
What is the typical impedance of HPS Tribune transformers?
The typical impedance for HPS Tribune transformers is between 3% and 6%.
What are the available conductor materials for the coils?
The coils can be manufactured using either copper or aluminum conductors.
What is the standard enclosure type for these transformers?
The standard enclosure is a heavy-duty ventilated type 3R, suitable for indoor or outdoor use.
What insulation system temperature rating is used?
All units utilize a uniform 220°C insulation system.
What are the typical temperature rise options?
The typical temperature rise is 150°C, with options for 80°C or 115°C rise available.
Are there options for different enclosure types?
Yes, optional enclosures include type 4, 4X (stainless steel), and type 12.
What mounting options are available for units up to 51kVA?
Standard integral floor and wall mounting brackets are available for units up to 51kVA.
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.





