Hammond Power SP350MQMJ - General Purpose Open-Style Core & Coil Control Transformers, 240x480 PV, 120x240 SV, 350 kVA
Hammond Power

SP350MQMJ

UPC: 803423098797


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Overview

The Hammond Power SP350MQMJ is a general-purpose open-style core and coil control transformer designed for stepping down voltage from a 240x480V primary to a 120x240V secondary, rated at 350 kVA. This transformer is engineered for industrial control panels, machinery, and automation systems requiring reliable voltage conversion in heavy-duty environments. The open-style design enables flexible installation into custom enclosures or control cabinets, accommodating space constraints and integration requirements. With a primary voltage range of 240x480V and secondary output of 120x240V, it supports diverse applications including motor controls, lighting systems, and process equipment. The SP350MQMJ features front-accessible high and low voltage terminals with lugs provided standard, suitable for both aluminum and copper cable installation. It includes pre-installed lugs, floor mounting feet (standard), and optional wall mounting brackets for versatile installation. The transformer meets NEMA ST-20 sound level standards and is UL Listed (File: E112313) and CSA Certified (File: LR3902). Constructed with high-quality silicon steel laminations and a 220°C insulation system (150°C rise), it ensures consistent operation under demanding conditions. Manufactured in the US, the SP350MQMJ is ideal for continuous operation in critical industrial settings.
  • 350 kVA rated open-style core & coil control transformer
  • Primary: 240x480V, Secondary: 120x240V
  • UL Listed (File: E112313) and CSA Certified (File: LR3902)
  • Front-accessible terminals with pre-installed lugs for aluminum/copper cables
  • Floor mounting feet standard; optional wall mounting brackets available

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
3.4 IN
Length
3.78 in
Material
Core & Coil
Mounting
Panel
Mounting Type
Open-style
Poles
Single Phase
Series
SPMQMJ
Series
SP
Size
350 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
240x480 VAC to 120x240 VAC
Voltage Rating
240x480 V (Primary), 120x240 V (Secondary)
Voltage Rating
240x480V to 120x240V
Voltage Rating
240x480 V (PV), 120x240 V (SV)
Wattage
350 VA
Width
4.69 in
Package Dimensions (L x W x H)
3.78 IN x 4.69 IN x 3.4 IN
Package Dimensions (L x W x H)
9.6012 cm x 11.9126 cm x 8.636 cm
Package Weight (Imperial)
8.200 L
Package Weight (Metric)
3.720 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 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.