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Hammond Power SP350PR - General Purpose Open-Style Core & Coil Control Transformers, 120x240 PV, 12x24 SV, 350 kVA

Hammond Power SP350PR General Purpose Open-Style Core & Coil Control Transformers, 120x240 PV, 12x24 SV, 350 kVA

UPC: 803423098971


Documents & Media
BrochureTechnical BulletinSpecification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Hammond Power SP350PR is a 350 kVA general-purpose, open-style core and coil control transformer, manufactured in the US. It is designed for reliable voltage conversion in industrial applications. The transformer features a primary voltage of 120x240 VAC and a secondary voltage of 12x24 VAC, making it suitable for a range of control circuits, motor starters, and lighting systems. Its open-style design facilitates straightforward installation and maintenance. The robust core and coil construction ensures stable performance under varying load conditions. The SP350PR's compact footprint is advantageous for installations where space is a constraint. This transformer is an ideal choice for Original Equipment Manufacturers (OEMs), panel builders, and industrial facilities requiring consistent power delivery for critical control systems. The 350 kVA capacity supports high-demand applications while maintaining operational efficiency and reliability. The SP350PR is a control transformer with a 350 kVA rating. It operates with a primary voltage of 120x240 VAC and a secondary voltage of 12x24 VAC. This unit is an open-style core and coil transformer. SKU: SP350PR. UNSPSC Code: 39121026.
  • 350 kVA capacity for high-demand applications
  • Primary voltage: 120x240 VAC
  • Secondary voltage: 12x24 VAC
  • General-purpose open-style core & coil design
  • Manufactured in the US

Specifications

Application
HVAC, signals and alarm systems, motor control circuits, lighting and circuit isolation
Connection Type
Open-style wiring
Connection Type
Screw Terminal
Current Rating
350 kVA
Enclosure
Core and Coil
Frequency
60 Hz
Frequency Rating
50 HZ
Height
3.4 IN
Length
3.78 in
Material
Copper (Core and Coil)
Material
Core & Coil
Material
Copper/Steel Core and Coil
Material
Core and Coil
Mounting
Panel
Mounting Type
Open-Style Core & Coil
Mounting Type
Open-style
Mounting Type
Open-style (for easy installation and maintenance)
Mounting Type
Open-style installation
Poles
Single Phase
Series
SP350
Series
SP Series
Series
SP
Size
350 kVA
Size
Compact footprint for space-constrained environments
Size
Compact footprint (space-constrained environments)
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
120x240/12x24 VAC
Voltage Rating
120x240 V / 12x24 V
Voltage Rating
120x240 VAC primary, 12x24 VAC secondary
Voltage Rating
120x240 VAC (PV), 12x24 VAC (SV)
Voltage Rating
120x240 VAC (Primary), 12x24 VAC (Secondary)
Voltage Rating
120x240 VAC / 12x24 VAC
Voltage Rating
120x240V primary, 12x24V secondary
Wattage
350 VA
Width
4.69 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

What are the available primary and secondary voltage options?

Primary voltages include 600/480, 575/460, 550/440, 380/347, 277, 240x480, 230x460, 220x440, 208x416, 200x400, and 190x380. Secondary voltages vary based on the primary, often including 120x240, 115x230, 110x220, 12x24, 11.5x23, and 11x22.

What is the frequency range for these transformers?

The transformers operate at 50/60 Hz, with specific models (SP extit{ACP and SP} extit{AR) operating at 60 Hz.

What is the warranty period for HPS Spartan transformers?

The HPS Spartan series transformers come with a 15-year warranty.

What type of coils are used in these transformers?

The transformers use copper wound coils with high dielectric strength insulation.

Are primary and secondary voltage links/jumpers included?

Yes, primary and secondary voltage links/jumpers are supplied standard with all transformers.

What approvals do these transformers meet?

The transformers meet NEMA standards, are CSA Certified, UL Listed, and CE Marked.

What insulation systems are used in the HPS Spartan series?

The insulation systems are 130°C (80°C rise) for up to 1500 VA, and 180°C (115°C rise) for 2000 VA to 5000 VA.

Are optional accessories like finger guards available?

Yes, optional finger guards are available for units up to 3000VA or 30 amps, provided they have a primary or secondary molded terminal block.

What are the seismic qualification standards for these transformers?

They are seismically qualified according to IBC 2018 and ASCE 7-10 specifications with SDS <= 2.0g and IP = 1.5.

What is the purpose of the optional fuse block adapter kit?

The optional fuse block adapter kit allows for the installation of third-party fuse blocks onto transformers up to 3000VA or 30 amps with a molded terminal block.

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.