ABB - Electrification THHQB32020 - Q line circuit breakers are one-inch wide per pole, compact, thermal-magnetic devices designed for residential and commercial applications. The QB breakers are bolt-on versions of the Q Line used for bolting to the bus connections of load centers and lighting panels. All Q Line circuit breakers feature Quick-make / Quick-break mechanisms, common trip bars, and easy to spot trip indication to ensure safety and reliability. Q Line breakers are available in 1, 2, and 3 pole versions, can be ordered with auxiliary contact and shunt trip accessories, and can be ordered for use in HID applications. 2020 Amps 20 A
ABB - Electrification

THHQB32020

UPC: 783164118568

Contact for Pricing

Overview

The ABB Electrification THHQB32020 is a 1-pole, 20 Amp bolt-on circuit breaker from the Q Line series, designed for secure attachment to load centers and lighting panels. This thermal-magnetic device is rated for 240 Vac applications and features an interrupting rating of 22,000 AIC, providing reliable protection against overloads and short circuits in residential and commercial electrical systems. Key features include a Quick-make / Quick-break mechanism for rapid circuit interruption, minimizing arc flash risk and equipment damage. The common trip bar ensures simultaneous tripping of all poles in multi-pole configurations, preventing single-phased conditions. A clear trip indication offers immediate visual confirmation of a tripped breaker, simplifying diagnostics and system maintenance. This 1-inch module breaker is compatible with auxiliary contact and shunt trip accessories, offering versatility for advanced applications. Manufactured in the USA, the THHQB32020 meets stringent quality and safety standards. Its compact 1-inch module design optimizes panel space in standard load centers without compromising performance. Ideal for protecting branch circuits in lighting panels, HVAC systems, and motor loads, this breaker is a dependable choice for 240 Vac systems requiring precise thermal-magnetic tripping. The THHQB32020 (SKU: THHQB32020) is part of ABB’s Q Line series, a trusted solution for electrical distribution.
  • ABB Electrification Q Line Bolt-On Circuit Breaker
  • SKU: THHQB32020
  • 1-Pole, 20 Ampere Rating
  • 240 Vac Voltage Rating
  • 22,000 AIC Interrupting Rating
  • 1-inch Module Width
  • Thermal-Magnetic Trip Mechanism
  • Quick-make / Quick-break Operation
  • Common Trip Bar
  • Visible Trip Indication

Specifications

Amperage Rating
20A
Application
Thermal Magnetic
Connection Type
Bolt-on
Current Rating
20 A
Frame
Q-Line
Interrupt Rating
22kA@120 Vac / 22kA@120/240 Vac / 22kA@240 Vac
Load Rating
HACR
Number Of Poles
3
Poles
1 pole
Series
Q Line
Size
1-inch per pole
Special Features
Q line circuit breakers are one-inch wide per pole, compact, thermal-magnetic devices designed for residential and commercial applications. The QB breakers are bolt-on versions of the Q Line used for bolting to the bus connections of load centers and lighting panels. All Q Line circuit breakers feature Quick-make / Quick-break mechanisms, common trip bars, and easy to spot trip indication to ensure safety and reliability. Q Line breakers are available in 1, 2, and 3 pole versions, can be ordered with auxiliary contact and shunt trip accessories, and can be ordered for use in HID applications. 2020 Amps 20 A
Standard
E11592
Trip Range
Non-Interchangeable
Trip Range, Maximum
Non-Interchangeable
Trip Range, Minimum
Non-Interchangeable
Trip Type
LI
Package Dimensions (L x W x H)
3 IN x 3.625 IN x 3.5 IN
Package Dimensions (L x W x H)
7.62 cm x 9.2075 cm x 8.89 cm
Package Weight (Imperial)
1.210 L
Package Weight (Metric)
0.549 kg
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Ground Lug

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Ground Lug
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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.