Hammond Power SFK5 - Control Transformer Accessories - Secondary Fuse Kit 5
Hammond Power

SFK5

UPC: 803423077709


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Overview

The Hammond Power SFK5 Secondary Fuse Kit (SKU: SFK5) provides essential overcurrent protection for secondary circuits of control transformers. Designed for HPS legacy control molded style transformers, this kit includes 4 fuse clips, 4 mounting screws, and 1 jumper wire, ensuring compliance with NEC and UL requirements for secondary circuit protection. The fuse clips accommodate standard 13/32" x 1 1/2" midget/type CC fuses, with a maximum allowable current rating of 30 amps. The kit is compatible with transformer VA sizes from 50 to 1500, covering common industrial applications such as machine tools, control power systems, and automation panels. Factory-installed fuse kits are available on select voltage groups (Group C, G, I) by adding the "-FK" suffix to the transformer part number. For installations requiring additional safety, optional finger guard kits (fused or unfused) are available. The SFK5 is manufactured in the US and distributed by Gross Automation for seamless integration with Hammond Power transformers.
  • Includes 4 fuse clips, 4 mounting screws, and 1 jumper wire for secondary circuit protection
  • Accommodates 13/32" x 1 1/2" midget/type CC fuses up to 30A
  • Compatible with HPS legacy control molded style transformers (50-1500 VA)
  • Factory-installed fuse kits available on select voltage groups (add "-FK" suffix)
  • UL and NEC compliant for industrial control applications

Specifications

Amperage Rating
30 Amp Max.
Application
Add fuse mounting options.
Class
CC, Midget
Color
Metallic
Connection
Snap On
Material
Steel
Mounting
Terminal Block
Operating Temperature
40 Deg C
Phase
1
Special Features
Fuse Holder options
Standard
Not Applicable
Type
Accessories > Fuse Kit or Fuse Holders
Voltage Rating
600 Volt maximum
Wattage
Not Applicable
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Frequently Asked Questions

What voltage ranges are available for these transformers?

The transformers offer 11 standard multi-primary and secondary voltage groups, ranging from 120V to 600V, with various configurations available for primary and secondary voltages.

What VA ratings do these transformers come in?

The transformers range from 50VA up to 1500VA, with multiple sizes available in between including 75, 100, 150, 250, 350, 500, 750, and 1000VA models.

What temperature and insulation ratings do these transformers have?

For 50-150VA models, the temperature rise is 55°C with an insulation class of 130°C. For 250-1500VA models, the temperature rise is 80°C with an insulation class of 130°C.

Do these transformers come with fuse protection?

All transformers come with standard secondary fuse kits using 13/32" x 1 1/2" midget/type CC fuse clips. Optional primary fuse kits are also available.

What safety certifications do these transformers have?

These transformers are UL Listed (approved for U.S. and Canada), CE Marked, and RoHS Compliant.

What frequency do these transformers support?

These transformers support 50/60 Hertz, with some specific models supporting only 60 Hertz.

What wire sizes can be used with these transformers?

The transformers are suitable for 18 AWG to 14 AWG solid wire or 14 AWG stranded wire, using combination slot/Phillips #6 screws with SEMS washers.

What warranty is offered with these transformers?

The transformers come with a LIFETIME Limited Warranty, providing superior performance, quality, and value.

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.