Authorized Hammond Power Distributor
Hammond Power SP250QR - General Purpose Open-Style Core & Coil Control Transformers, 240x480 PV, 12x24 SV, 250 kVA

Hammond Power SP250QR General Purpose Open-Style Core & Coil Control Transformers, 240x480 PV, 12x24 SV, 250 kVA

UPC: 803423098902


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 SP250QR is a general-purpose open-style core and coil control transformer designed for industrial applications requiring precise voltage regulation. With a primary voltage rating of 240x480 VAC and secondary output of 12x24 VAC, this 250 kVA transformer delivers reliable power conversion for control circuits, lighting systems, and auxiliary equipment. Engineered for compatibility with standard industrial voltages, the SP250QR supports both 240V and 480V primary configurations, making it versatile for diverse facility setups. Its open-style design allows for flexible mounting and integration into existing electrical panels or control enclosures. The transformer’s robust construction ensures stable performance under varying load conditions, reducing downtime in critical operations. Ideal for manufacturing plants, commercial buildings, and infrastructure projects where consistent low-voltage supply is essential. The SP250QR is part of Hammond Power’s SP series, known for durability and efficiency in control applications.
  • 250 kVA power rating for heavy-duty industrial applications
  • Primary voltage: 240x480 VAC (dual-configurable)
  • Secondary voltage: 12x24 VAC (dual-configurable)
  • Open-style core and coil design for flexible installation
  • Compatible with standard control circuits and auxiliary systems

Specifications

Application
HVAC, signals and alarm systems, motor control circuits, lighting and circuit isolation
Enclosure
Core and Coil
Frequency Rating
50 HZ
Height
3.4 IN
Length
3.78 in
Mounting
Panel
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
Wattage
250 VA
Width
4.09 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 voltages for SP250QR?

The SP250QR transformer has primary voltages of 380/347 and secondary voltages of 120 x 240.

What is the VA rating for the SP250QR transformer?

The SP250QR transformer has a VA rating of 250 and a CE VA rating of 160.

What are the overall dimensions of the SP250QR transformer?

The overall dimensions for the SP250QR transformer are 3.78 inches in length, 4.09 inches in depth, and 3.40 inches in height.

What is the output amperage for the SP250QR transformer?

The SP250QR transformer has an output amperage of 20.8/10.4.

What is the approximate shipping weight of the SP250QR transformer?

The approximate shipping weight for the SP250QR transformer is 6.5 lbs.

Are primary and secondary voltage links/jumpers supplied with the SP250QR?

Yes, primary and secondary voltage links/jumpers are supplied standard with all SP250QR transformers.

What standards does the HPS Spartan series meet?

The HPS Spartan series meets NEMA standards, is CSA Certified, UL Listed, and CE Marked.

Can a fuse block adapter kit be installed on the SP250QR?

Yes, an optional fuse block adapter kit is available for SP250QR transformers up to 500 VA.

Can finger guards be installed on the SP250QR transformer?

Yes, optional finger guards are available for SP250QR transformers up to 350 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.