
Hammond Power SP50NJ General Purpose Open-Style Core & Coil Control Transformers, 277 PV, 120 SV, 50 kVA
UPC: 803423099206
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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
- 50 kVA open-style control transformer for industrial applications
- Primary: 277 VAC, Secondary: 120 VAC, 60 Hz operation
- Single-phase, copper wound coils with single core construction
- Meets UL 506, CSA C22-2 No. 66, NEMA ST-1, and IEC 989 standards
- Designed for motor control centers, PLC panels, and control gear
Specifications
Application | HVAC, signals and alarm systems, motor control circuits, lighting and circuit isolation |
Enclosure | Core and Coil |
Frequency | 60 Hz |
Frequency Rating | 50 HZ |
Height | 2.6 in |
Length | 2.6 in |
Material | Core & Coil |
Mounting | Panel |
Mounting Type | Open-style |
Size | 50 KVA |
Special Features | Control transformer for stanard commercial loads without high current inrush, optional finger safe covers are available. |
Standard | csa, ul, ce |
Temperature Rating | Typical 30 Average/ 40 Maximum Deg C |
Type | Tranformer > Dry Type > Control > Open Core and coil |
Voltage Rating | 277V/120V |
Wattage | 50 VA |
Width | 3.35 IN |
Frequently Asked Questions
What is the operating frequency for the SP50NJ transformer?
The SP50NJ transformer operates at 50/60 Hertz.
What are the primary and secondary voltages for the SP50NJ?
The primary voltage is 120 x 240 and the secondary voltage is 12 x 24.
What is the VA rating and output amps for the SP50NJ?
The SP50NJ has a VA rating of 50 and an output amperage of 0.42.
What are the overall dimensions of the SP50NJ transformer?
The overall dimensions for the SP50NJ are 2.60 inches in length, 3.35 inches in depth, and 2.60 inches in height.
What is the mounting slot size for the SP50NJ?
The mounting slot size for the SP50NJ is 0.22 x 0.44 inches.
What is the approximate shipping weight of the SP50NJ transformer?
The SP50NJ transformer has an approximate shipping weight of 1.6 Lbs.
Are voltage links/jumpers supplied with the SP50NJ transformer?
Yes, primary and secondary voltage links/jumpers are supplied standard with the SP50NJ transformer.
Can a fuse block adapter kit be installed on the SP50NJ?
Yes, the SP50NJ is compatible with the SPFBAK1 fuse block adapter kit for VA sizes 50 to 1500.
Can finger guards be installed on the SP50NJ transformer?
Yes, the SP50NJ is compatible with the SPFG1 finger guard for VA sizes 50 to 1500.
What insulation system does the SP50NJ transformer use?
The SP50NJ transformer uses a 130°C insulation system with an 80°C rise, suitable for up to 1500 VA.
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.















