Hammond Power SP250MQMJ - General Purpose Open-Style Core & Coil Control Transformers, 240x480 PV, 120x240 SV, 250 kVA
Hammond Power

SP250MQMJ

UPC: 803423098780


Documents & Media
BrochureSpecification Sheet

Contact for Pricing

Overview

The Hammond Power SP250MQMJ is a general-purpose, open-style core and coil control transformer, manufactured in the USA. This unit is rated for 250 kVA, providing substantial power capacity for industrial control applications. It features a primary voltage configuration of 240V and 480V, with a secondary voltage output of 120V and 240V. The open-style construction promotes efficient heat dissipation and allows for straightforward maintenance access. Designed for reliability, the SP250MQMJ ensures stable control power for essential equipment such as motor starters, relays, and auxiliary circuits. Its robust build quality supports consistent performance in demanding operational environments. This transformer is an ideal choice for panel builders and system integrators requiring a dependable power source to minimize operational downtime and maintain system continuity. The SKU for this model is SP250MQMJ. Its UNSPSC code is 39121026, indicating its classification within electrical power distribution equipment.
  • 250 kVA power rating for demanding applications
  • Primary voltage: 240V/480V
  • Secondary voltage: 120V/240V
  • General purpose, open-style core and coil design
  • Manufactured in the USA

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
Material
Open-Style Core & Coil
Mounting
Panel
Poles
Single Phase
Series
SP
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
240x480V PV, 120x240V SV
Wattage
250 VA
Width
4.09 in
Package Dimensions (L x W x H)
3.78 IN x 4.09 IN x 3.4 IN
Package Dimensions (L x W x H)
9.6012 cm x 10.3886 cm x 8.636 cm
Package Weight (Imperial)
6.500 L
Package Weight (Metric)
2.948 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 are the primary and secondary voltage configurations?

For the SP250MQMJ, the primary voltage is 240 x 480, 230 x 460, or 220 x 440, with corresponding secondary voltages of 120 x 240, 115 x 230, or 110 x 220.

What VA rating does the SP250MQMJ transformer have?

The SP250MQMJ transformer has a VA rating of 250, with a CE VA rating of 160.

What is the output current for this transformer?

The SP250MQMJ has an output current of 2.08/1.04 amps.

What frequency range does this transformer support?

This transformer supports 50/60 Hertz frequencies.

What is the warranty for this transformer?

The transformer comes with a 15-year warranty for units up to and including 3000VA or 30 amps.

What insulation system does this transformer use?

The HPS Spartan series offers a 130°C (80°C rise) insulation system for units up to 1500 VA.

What optional accessories are available?

Optional accessories include finger guards and fuse block adapter kits for units up to 3000VA or 30 amps.

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.