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Overview
- 75 kVA Three-Phase Distribution Transformer
- 600V Class Insulation System
- 208V Primary Voltage
- 480Y/277V Secondary Voltage
- Potted Construction for Environmental Protection
Specifications
Application | Shopping centers, schools, sports complexes, commercial, lighting, wastewater and light industrial loads. |
Connection Type | Wye (480Y/277V) |
Connection Type | Wiring Type: 208 PV, 480Y/277 SV |
Connection Type | Primary: 208V, Secondary: 480Y/277V |
Current Rating | 75 kVA |
Enclosure | NQT9A-N3R - Indoor or Outdoor |
Frequency Rating | 60 HZ |
Height | 36.75 in |
Input Voltage | 208 V |
Length | 18.5 in |
Material | Epoxy Resin |
Material | Potted |
Mounting | Floor Mount |
Output Voltage | 480Y/277 V |
Phase | Three Phase |
Poles | Three Phase |
Series | C3F |
Special Features | Innovative potted design provides single screw access on a hinged cover to the wiring compartment for commercial indoor and outdoor applications |
Standard | CSA, UL |
Type | Transformer > Distribution > Potted > Commercial > Three Phase |
Voltage Rating | 600V Class |
Wattage | 75 kVA |
Width | 34 in |
Winding | Aluminum Wound |
Package Dimensions (L x W x H) | 34.63 IN x 18.5 IN x 36.75 IN |
Package Dimensions (L x W x H) | 87.9602 cm x 46.99 cm x 93.345 cm |
Package Weight (Imperial) | 1420.000 L |
Package Weight (Metric) | 644.112 kg |
Frequently Asked Questions
What are the primary and secondary voltage configurations?
This transformer supports 480V primary with 208Y/120V secondary at 60 Hz. It can be connected to different line configurations as specified in the schematic connections.
What is the kVA rating of this transformer?
The C3F075BKS is a 75 kVA three-phase transformer with a Type 3R aluminum wound enclosure.
What are the physical dimensions of the transformer?
The transformer measures 34.63 inches wide, 18.50 inches deep, and 36.75 inches high. It weighs approximately 1,420 lbs.
What is the warranty for this transformer?
HPS standard catalog encapsulated transformers come with a 10-year limited warranty.
What mounting options are available?
This transformer is designed for floor mounting. The enclosure has mounting holes and can be installed using appropriate mounting hardware.
How is the transformer protected from environmental conditions?
The transformer is encapsulated with electrical grade silica sand and resin compounds, which seals out moisture, airborne contaminants, and prevents corrosion.
What approvals and certifications does this transformer have?
The HPS Fortress transformers are UL Listed and CSA Certified. They meet NEMA and ANSI standards for indoor and outdoor applications.
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.



