Hammond Power SG3A0750KB0C - 600V Class Three Phase DOE2016 and NRCan 2019 Compliant Energy Efficient Distribution Transformer, 480D PV, 208Y/120 SV, 750 kVA, 3PH, Copper Wound
Hammond Power

SG3A0750KB0C

UPC: 803423127831


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Overview

The Hammond Power SG3A0750KB0C is a 750 kVA, three-phase, general purpose distribution transformer engineered for superior energy efficiency and reliable power distribution. This unit is compliant with DOE2016 and NRCan 2019 energy efficiency standards, ensuring reduced energy consumption and lower operational costs. It features a primary voltage of 480 Delta (480D) and a secondary voltage of 208Y/120 (Wye), making it versatile for various industrial and commercial applications. The transformer is constructed with copper windings, offering excellent conductivity, lower electrical losses, and enhanced durability for extended service life. Designed for a 60 Hz frequency, it meets NEMA ST-20 sound level standards. The insulation system is rated at 220°C with a 150°C rise. The standard enclosure is a heavy-duty ventilated Type 3R, finished in ANSI 61 Grey, and includes floor mounting feet, pre-installed grounding lugs, and vibration isolation pads. Terminations are front accessible with lugs provided for easy cable installation, suitable for both copper and aluminum conductors. This transformer is manufactured in the USA and adheres to stringent quality standards, including UL Listed (File: E112313) and CSA Certified (File: LR3902). Its robust construction and compliance with energy efficiency mandates make it an ideal choice for supplying power to lighting, HVAC systems, motorized machinery, and general appliance loads within commercial buildings, shopping plazas, office towers, and residential high-rises. Key specifications include a typical impedance of 3% to 6.5%.
  • HPS general purpose distribution transformers are rated for 600 volts and below.
  • 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-351-1-ANCE-2021
  • HPS also offers a line of low voltage Smart Transformers with integrated power monitoring for enhanced energy management and real-time performance insights.
  • Copper Wound for superior conductivity and durability
  • Heavy-duty ventilated Type 3R enclosure, floor mounting standard

Specifications

Application
General purpose for supplying appliance, lighting, motorized machine and power loads from electrical distribution systems.
Cable Entry
Knock Outs
Connection Type
480D primary / 208Y/120 secondary
Connection Type
Wye (Y)
Cooling
Convection cooled
Enclosure
DH6-N3R - Indoor or Outdoor
Enclosure Color
ANSI 61 Grey, UL 50
Enclosure Type
Type 3R
Frequency
60 Hz
Frequency Rating
60 HZ
Height
64 IN
Impedance
Typically 1.8% to 7.5%
Insulation Class
220°C
KVA Rating
750 KVA
Length
41.5 IN
Material
Copper Wound
Material
Copper
Mounting
Floor Mount
Mounting Method
Floor
Number Of Phases
3
Number Of Taps
ST-20 compliant
Phase
3PH
Phase
A - 3PH Delta-Wye-N
Poles
3PH
Primary Voltage
480 VAC
Primary Voltage
480D V
Secondary Voltage
208Y/120V
Series
SG3A
Size
750 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°C
Termination
Mechanical Lugs
Transformer Rating
750kVA
Type
Transformer > Distribution > DOE 2016 Energy Efficient > General Purpose > Three Phase
Voltage Rating
480D (Delta) primary, 208Y/120 (Wye) secondary
Voltage Rating
480D-208Y/120V
Voltage Rating
600 V
Wall Mounting
No
Warranty
10 year warranty
Weight
4050 L
Width
49 IN
Winding
C - Copper
Winding
Copper
Package Dimensions (L x W x H)
41.5 IN x 49 IN x 64 IN
Package Dimensions (L x W x H)
105.41 cm x 124.46 cm x 162.56 cm
Package Weight (Imperial)
4050.000 L
Package Weight (Metric)
1837.080 kg
A - 15.0 kV bushing

015J0400AN

A - 15.0 kV bushing
O Plus C - 34.5 kV bushing

034Z3000AW

O Plus C - 34.5 kV bushing

Frequently Asked Questions

What efficiency standards does this transformer meet?

The transformer meets DOE 2016 and NRCan 2019 energy efficiency standards for low voltage distribution transformers.

What is the warranty period for these transformers?

These transformers come with a 10-year warranty.

What is the standard insulation system for these transformers?

The transformers utilize a 220°C insulation system with temperature rise options of 80°C, 115°C, or 150°C.

What is the standard enclosure type?

The standard enclosure is a heavy-duty ventilated Type 3R, suitable for indoor or outdoor applications.

What mounting options are available?

Transformers offer floor or wall/ceiling mounting options. Some models have built-in wall/ceiling mounting brackets, and mounting kits are available for other models.

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.