ABB - Electrification Signature Partner Distributor
ABB - Electrification THQB2120GFT - Q line circuit breakers are one-inch wide per pole, compact, thermal-magnetic devices designed for residential and commercial applications. The QL breakers are plug-in versions of the Q Line used for connection to 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. 0GFT Amps 20 A
ABB - Electrification

THQB2120GFT

UPC: 783164485554


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Specification Sheet

Contact for Pricing

Overview

The ABB Electrification THQB2120GFT is a 1-pole, 20 Amp QL series plug-in circuit breaker designed for direct installation in ABB and GE load centers, meter combos, single socket metering, modular metering, enclosed circuit breakers, and Midwest RV power pedestals. This compact thermal-magnetic device measures one-inch wide per pole, optimizing panel space while providing reliable electrical protection for residential and commercial applications. The breaker features a Quick-make / Quick-break mechanism for rapid and safe contact operation, ensuring immediate response during fault conditions. Common trip bars guarantee simultaneous tripping of all poles in the event of an overload or short circuit, preventing equipment damage and reducing downtime. The THQB2120GFT includes easy-to-spot trip indication for quick identification and reset, minimizing troubleshooting time. UL Listed as HACR (heating, air conditioning, and refrigeration) and compliant with UL 489 standards, this breaker is rated for 10,000 AIC interrupting capacity, making it suitable for applications requiring robust fault protection. It is available with optional auxiliary contact and shunt trip accessories for enhanced control and signaling capabilities. The QL series is specifically designed for HID applications, ensuring compatibility with high-intensity discharge lighting systems. With a 120/240 Vac rating, this breaker is ideal for single-phase systems where precise overcurrent protection is critical. The THQB2120GFT is manufactured in the US and distributed by ABB Electrification, a trusted name in electrical protection solutions.
  • 1-pole, 20 Amp thermal-magnetic circuit breaker
  • One-inch wide per pole design for compact panel installation
  • Quick-make / Quick-break mechanism for rapid fault response
  • Common trip bars ensure simultaneous tripping in fault conditions
  • UL 489 and HACR rated with 10,000 AIC interrupting capacity
  • Compatible with ABB and GE load centers, meter combos, and HID applications
  • Easy-to-spot trip indication for quick identification and reset
  • Optional auxiliary contact and shunt trip accessories available
  • Designed for ABB and GE Load Centers

Specifications

Connection Type
Plug-in
Current Rating
20 A
Material
Thermal-magnetic
Poles
1 pole
Series
Q Line / QL Series
Size
1-inch wide per pole
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 QL breakers are plug-in versions of the Q Line used for connection to 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. 0GFT Amps 20 A
Package Dimensions (L x W x H)
4 IN x 4.5 IN x 2.25 IN
Package Dimensions (L x W x H)
10.16 cm x 11.43 cm x 5.715 cm
Package Weight (Imperial)
0.900 L
Package Weight (Metric)
0.408 kg
Ground Lug

DNGL

Ground Lug
INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

83411621001

INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M
ZCT,LZR-030(V),EMPR,EXP

76512124011

ZCT,LZR-030(V),EMPR,EXP
JB5-2 2 POLE JUMPER 5.2MM SPACING

1SNK905302R0000

JB5-2 2 POLE JUMPER 5.2MM SPACING
JB5-5 5 POLE JUMPER 5.2MM SPACING

1SNK905305R0000

JB5-5 5 POLE JUMPER 5.2MM SPACING
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

Frequently Asked Questions

What type of circuit breakers are these?

These are Q Line miniature circuit breakers, designed for residential and commercial applications.

What is the amperage rating of this circuit breaker?

The amperage rating for this circuit breaker is 20A.

What is the system voltage for this breaker?

The system voltage for this circuit breaker is 240VAC.

How many poles does the THQB2120GFT have?

The THQB2120GFT circuit breaker has 2 poles.

Is this breaker suitable for reverse feed applications?

Yes, this circuit breaker is suitable for reverse feed applications.

Does this breaker have ground fault protection?

Yes, this circuit breaker has ground fault protection.

What is the trip function of this breaker?

The trip function of this circuit breaker is LI, which stands for Long Time and Instantaneous.

What is the interrupting rating of this breaker?

The interrupting rating for this circuit breaker is 10,000 AIC at 240VAC.

What is the width of each pole for Q Line breakers?

Q Line circuit breakers are one inch wide per pole.

What type of mechanism do Q Line breakers feature?

All Q Line circuit breakers feature Quick Make, Quick Break mechanisms.

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.