Hammond Power SP350AR - General Purpose Open-Style Core & Coil Control Transformers, 600 PV, 12x24 SV, 350 kVA
Hammond Power

SP350AR

UPC: 803423098735


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Overview

The Hammond Power SP350AR is a 350 kVA, 600V primary, 24V secondary open-style control transformer designed for industrial applications requiring reliable voltage regulation. Built with high-quality silicon steel laminations and encapsulated coils in a custom injection-molded cover, the SP350AR protects against moisture, dirt, and industrial contaminants. Rated for 50/60 Hz operation, this transformer features a 130°C insulation class with an 80°C temperature rise, ensuring long-term reliability in demanding environments. The 12x24 SV size provides compatibility with standard control panels and enclosures, while heavy-duty steel mounting feet offer superior strength in a compact design. Standard features include SEMS washers, secondary fuse kits with 13/32” x 1 1/2” fuse clips, and optional primary fuse kits or finger-safe terminal covers. Certified to UL and CSA standards, the SP350AR is ideal for motor control centers, HVAC systems, industrial automation, and auxiliary power in manufacturing plants, commercial buildings, and utility substations. Backed by a lifetime limited warranty, this Made-in-USA transformer delivers robust performance and easy maintenance for critical control circuits and lighting systems.
  • 350 kVA rating with 600V primary and 24V secondary voltage
  • Open-style design with encapsulated coils for protection against contaminants
  • 130°C insulation class with 80°C temperature rise for reliable performance
  • Heavy-duty steel mounting feet and SEMS washers for secure installation
  • UL and CSA certified for industrial environments with lifetime limited warranty

Specifications

Application
HVAC, signals and alarm systems, motor control circuits, lighting and circuit isolation
Connection Type
Open-Style Core & Coil
Current Rating
350 kVA
Enclosure
Core and Coil
Frequency
60 Hz
Frequency Rating
60 HZ
Height
3.4 IN
Length
3.78 in
Material
Iron Core
Mounting
Panel
Mounting Type
Panel Mounting
Series
SP
Size
12x24 SV
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
600 V
Wattage
350 VA
Width
4.29 in
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 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.