ABB - Electrification TH4321SS - No matter the application, we’ve got you covered with a rugged, reliable and easy-to-install Spec-Setter safety switch. 30A 3P HD N4X SS 240V FUSIBLE
ABB - Electrification

TH4321SS

UPC: 783164089233

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Overview

The ABB Electrification Spec-Setter safety switch, SKU: TH4321SS, is a heavy-duty (HD) 3-pole fusible safety switch designed for commercial and industrial applications requiring reliable power control and disconnection. This unit features a 30A current rating and operates at 240V AC. Constructed with a durable stainless steel (SS) enclosure, it meets NEMA 4X and NEMA 6P ratings, providing superior protection against water ingress, dust, and corrosive elements, making it suitable for harsh environments and washdown areas. Part of the Spec Setter Heavy Duty (type TH) series, this switch is built for ruggedness and reliability. It is listed to UL standard 98 and certified to CSA standard 22.2 no. 4-04 for enclosed and dead front switches. The switch incorporates a quick-make, quick-break mechanism for safe operation and features full cover interlocks. It is suitable for use as service equipment when installed in accordance with the National Electrical Code. The 3-pole configuration is ideal for three-phase power distribution and control. Key specifications include: * **Amperage:** 30A * **Voltage:** 240V AC * **Poles:** 3 * **Fusing:** Fusible * **Enclosure:** NEMA 4X, NEMA 6P (Stainless Steel) * **Conductor Rating:** 60/75 C * **Certifications:** UL Listed, cUL Listed This safety switch offers enhanced circuit and personnel safety through its fusible design and robust construction, ensuring longevity and consistent performance in demanding industrial settings. ABB Electrification's commitment to quality is evident in the materials and design, making this a dependable choice for applications requiring safe and efficient power disconnection and protection.
  • Heavy-Duty (HD) 3-Pole Fusible Safety Switch
  • 30A Current Rating, 240V AC Operation
  • Rugged Stainless Steel (SS) Enclosure
  • NEMA 4X and NEMA 6P Rated for Harsh Environments
  • UL Listed and cUL Certified for Safety and Reliability

Specifications

Amperage Rating
30 A
Application
Heavy
Connection Type
Fusible
Current Rating
30 A
Enclosure
NEMA 4/4X Water/Dust-tight
IP Rating
IP66
Material
Stainless Steel
Nema Rating
NEMA 4X
Nema Rating
NEMA 4X/NEMA 6P
Number of Poles
3
Poles
3P
Series
Spec-Setter
Series
Spec-Setter Heavy Duty (type TH)
Size
11.30 in
Special Features
Designed for commercial and industrial applications where safety, high performance and continuity of service are essential. Listed to UL standard 98 enclosed and dead front switches. Suitable for use as service equipment when installed in accordance with the National Electrical Code. Certified to CSA standard 22.2 no. 4-04 enclosed and dead front switches. Meets or exceeds NEMA KS1 standard for enclosed switches, type HD. Fusible and non-fusible switches available (consult BuyLog for interrupt ratings). Quick-make, quick-break mechanism. 60/75 C conductor rating. Full cover interlocks. TH4321SS
Standard
Yes
Voltage Rating
240 AC
Voltage Rating
240 V
Voltage Rating
240 V AC
Package Dimensions (L x W x H)
14.5 IN x 8.5 IN x 8.75 IN
Package Dimensions (L x W x H)
36.83 cm x 21.59 cm x 22.225 cm
Package Weight (Imperial)
12.088 L
Package Weight (Metric)
5.483 kg
Enclosed Rotary Disconnects 3Pole 30A Stainless Steel NEMA Type 4/4X Watertight Red / Yellow Pistol handle 1 NO, 1 NC

EOT530N3PAX-PR1

Enclosed Rotary Disconnects 3Pole 30A Stainless Steel NEMA Type 4/4X Watertight Red / Yellow Pistol handle 1 NO, 1 NC
STEEL SAFETY ENCLOSURE 4 POLES 50A SIDE OPERATION CONNECTION TOP-BOTTOM FLAG

3V614005

STEEL SAFETY ENCLOSURE 4 POLES 50A SIDE OPERATION CONNECTION TOP-BOTTOM FLAG
Load make/break switch - SERIES R

SERIES R

Load make/break switch - SERIES R

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.