ABB - Electrification THF4326AJ - No matter the application, we’ve got you covered with a rugged, reliable and easy-to-install Spec-Setter safety switch. SW FUSED HD 600A 3P 240V N5/12 A
ABB - Electrification

THF4326AJ

UPC: 783164645033


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Overview

The ABB Spec-Setter Safety Switch (SKU: THF4326AJ) is a heavy-duty, fused disconnect switch engineered for industrial-grade circuit protection and isolation. Rated at 600 amperes with a 3-pole, 240V configuration, this switch is built for three-phase power systems requiring reliable fault protection and operational safety. Manufactured by ABB Electrification, a leader in industrial electrical solutions, the THF4326AJ meets UL and CSA certification standards, ensuring compliance with North American safety regulations. Key specifications include an insulation system rated at 105°C and a temperature rise of 55°C, enabling consistent performance in high-demand environments. The integrated fuse holder accommodates one primary fuse, with compatibility for multiple fuse types and ratings. For example, the switch supports 63.0A gG-type fuses with a trip class of 10, such as the ABB TF42-29 (setting range: 24.0–29.0A) or TF42-16 (setting range: 13.0–16.0A). Higher-capacity applications can utilize the 224A gG-type fuse (trip class 10A) with the ABB TF140DU-110 (setting range: 80–110A). Designed for rugged industrial use, the THF4326AJ is ideal for power distribution panels, motor control centers, and general electrical systems where dependable isolation and short-circuit protection are critical. Its heavy-duty construction minimizes maintenance downtime, while the UL-listed design ensures long-term reliability. The primary fuse holder simplifies installation and replacement, reducing labor costs and operational disruptions. Applications include manufacturing plants, commercial buildings, and utility substations requiring robust electrical protection. The switch’s compliance with UL 98 standards for safety switches and CSA certification for Canadian markets further validates its suitability for mission-critical systems. For specifiers and engineers, the THF4326AJ offers a proven solution backed by ABB’s global expertise in electrification and industrial automation.
  • 600A, 3-pole, 240V heavy-duty fused disconnect switch
  • UL and CSA certified for North American compliance
  • Insulation system rated 105°C with 55°C temperature rise
  • Supports gG-type fuses: TF42-29 (24–29A), TF42-16 (13–16A), TF140DU-110 (80–110A)
  • Primary fuse holder included for direct installation
  • UL and CSA Listed
  • Integrated Fuse Holder for Primary Fuse
  • Compatible with various gG fuses (e.g., TF42-29, TF42-16, TF140DU-110)
  • Temperature Rise: 55°C, Insulation System: 105°C

Specifications

Amperage Rating
600 A
Application
Heavy
Current Rating
600 A
Enclosure
NEMA 5, 12 Drip/Dust-tight
Nema Rating
NEMA 1
Number of Poles
3
Poles
3P
Series
Spec-Setter
Size
60.1 in
Standard
Yes
Voltage Rating
240 V
Voltage Rating
240 AC
Package Dimensions (L x W x H)
0.001 IN x 0.001 IN x 0.001 IN
Package Dimensions (L x W x H)
0.0025 cm x 0.0025 cm x 0.0025 cm
Package Weight (Imperial)
0.001 L
Package Weight (Metric)
0.001 kg
No matter the application, we’ve got you covered with a rugged, reliable and easy-to-install Spec-Setter safety switch. 200A 3P HD N5/12 240V FUSIBLE

TH4324J

No matter the application, we’ve got you covered with a rugged, reliable and easy-to-install Spec-Setter safety switch. 200A 3P HD N5/12 240V FUSIBLE
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Frequently Asked Questions

What is the operating voltage range?

The device operates on 24V DC with a range of 20-28V DC.

What is the operating voltage range?

The device operates on 24V DC with a range of 20-28V DC.

What is the temperature range for operation?

The operating temperature range is from -20°C to +50°C.

What is the temperature range for operation?

The operating temperature range is from -20°C to +50°C.

What are the installation requirements?

The device must be installed in accordance with the National Electrical Code and local regulations.

What are the installation requirements?

The device must be installed in accordance with the National Electrical Code and local regulations.

Is the product compatible with other devices?

The device is compatible with standard control equipment when installed correctly.

What should I do if the device fails to operate?

Check the power supply and connections; ensure the voltage is within the specified range.

What type of switches can be used with this product?

Both fusible and non-fusible switches are available for use with this device.

What should I do if the device fails to operate?

Check the power supply and connections; ensure the voltage is within the specified range.

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.