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Overview
- Enforces Class R fuse compliance in compatible ABB safety switches.
- Prevents installation of non-Class R fuses (H, K, J).
- Rugged, field-installable design for industrial environments.
- Compatible with ABB Spec-Setter safety switches like TH3365MSS and THF3365AS1,2 (400A).
- Manufactured in the US for reliability and code adherence.
Specifications
Amperage Rating | 400 A |
Enclosure | NEMA Type 1 / 3R / 12 / 4/4X |
Special Features | Safety Switches Accessories. Spec-Setter+ Safety Switches. Class R Fusing Kit·Field Installable Type TH, UL Listed. When specifications permit only Class R fuses to be used, these kits may be installed in the safety switch to deter fuses other than Class R from being installed. Kits for 30 or 60A switches incorporate replacement fuse clips. Kits for 100-600A switches incorporate rejection pins that assemble to the standard fuse clips. K56A CLASS R FUSE -FIELD CONVERSION KIT |
Voltage Rating | 240 AC / 600 AC |
Package Dimensions (L x W x H) | 0.25 IN x 4 IN x 6.75 IN |
Package Dimensions (L x W x H) | 0.635 cm x 10.16 cm x 17.145 cm |
Package Weight (Imperial) | 0.450 L |
Package Weight (Metric) | 0.204 kg |

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TRK22A
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TRK26A
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Which ABB switches are compatible with the TRK56A kit?
The TRK56A kit is compatible with ABB switches such as TH3365MSS (400A) and THF3365AS1,2 (400A), which support multiple fuse classes including H, K, J, and R.
What fuse classes does the TRK56A restrict?
The TRK56A kit restricts fuse installation to Class R only, preventing the use of H, K, or J class fuses in compatible switches.
Is the TRK56A kit suitable for field installation?
Yes, the TRK56A is designed for field installation, allowing quick upgrades without extensive downtime or system disruptions.
What is the amperage rating of switches compatible with TRK56A?
The TRK56A kit is compatible with ABB switches rated at 400A, such as TH3365MSS and THF3365AS1,2.
Where is the TRK56A kit manufactured?
The TRK56A kit is manufactured in the US, ensuring reliability and compliance with industrial standards.
Does the TRK56A kit require special tools for installation?
No special tools are required for installation; a standard screwdriver is sufficient for field conversion.
What are the benefits of using the TRK56A kit?
The TRK56A kit ensures compliance with electrical codes, prevents incorrect fuse installation, and maintains system safety integrity in industrial applications.
Frequently Asked Questions about ABB - Electrification
What industries and applications are Jokab Safety products used for?
Jokab Safety products are specifically designed for machine safety applications across multiple critical industrial sectors, including Food and Beverage, Packaging, and Material Handling industries. Their safety solutions cover a wide range of machine safeguarding needs, such as safety light guards, safety controllers, safety relays, safety edges, safety mats, and two-hand control devices that protect personnel and equipment in complex industrial automation environments.
What technical support does Jokab Safety offer?
Jokab Safety offers comprehensive technical support through multiple channels, including a dedicated technical support phone line at (888) 385-1221 (Option 1) and email support at [email protected]. For advanced technical assistance, customers can contact their specialized Jokab Tech Support at (519) 982-0976 or email [email protected]. Additionally, they provide product specialist support through Jeff Leslie, who can be reached at (519) 982-0976, offering in-depth application and technical guidance.
What are the main product lines offered by Jokab Safety?
Jokab Safety offers a comprehensive range of machine safety products including safety light guards (Orion), safety controllers (Pluto), safety relays (Sentry), safety edges, safety contact mats, safety locks (Gkey), and safety sensors with OSSD and DYNlink interfaces. Their product lines are specifically designed for industrial applications in food and beverage, packaging, and material handling industries, providing robust safety solutions for machine guarding and personnel protection.
What are the key features of Jokab Safety products?
Jokab Safety products offer comprehensive industrial safety solutions with key features including: highest safety certification levels (up to PL e/Cat 4), extensive fault detection, multiple safety device types (optical safety devices, pressure sensitive devices, sensors, switches, locks, emergency stops), and innovative DYNlink technology that reduces cable requirements and simplifies installation. Their products are certified, verified, and compatible with major industrial automation systems like B&R, featuring easy M12 connector connections and a wide range of adapters to streamline safety implementation.
What certifications and standards do ABB - Electrification products comply with?
ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.
What industries and applications are ABB - Electrification products used for?
ABB - Electrification products are engineered for critical applications across multiple industries, including Energy, Oil & Gas, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their solutions cover essential electrical infrastructure needs such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems designed for high-reliability environments with a strong focus on sustainability, efficiency, and safety.
What technical support does ABB - Electrification offer?
ABB - Electrification offers comprehensive technical support through multiple channels, including a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services encompass 24/7/365 emergency services, on-site support, remote monitoring and diagnostics, installation and commissioning, equipment assessments, repair coordination, and multi-vendor technical assistance. Customers can also access resources like personnel safety training, disaster recovery support, and service agreements tailored to their specific electrification needs.
What are the main product lines offered by ABB - Electrification?
ABB - Electrification offers a comprehensive range of electrical distribution and protection products, including circuit monitoring systems, panelboards, switchgear, motor control centers, circuit breakers, softstarters, and power distribution solutions. Key product lines span low and medium voltage applications across utilities, commercial, industrial, healthcare, and manufacturing sectors, with specialized offerings like the ReliaGear® panelboards, SMISSLINE TP bus systems, and Ekip UP protection and metering relays.
What are the key features of ABB - Electrification products?
ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.
What communication protocols do ABB - Electrification products support?
ABB - Electrification products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with support for various network topologies and high-speed data transmission up to 100 Mbps.

