ABB Signature Partner Distributor (Electrification)
ABB - Electrification THQB22070 - 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. 2070 Amps 70 A
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ABB Electrification THQB22070 Q line circuit breakers are one-inch wide per pole, compact, thermal-magnetic devices…

UPC: 783164012361


Documents & Media
Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The ABB THQB22070 is a 2-pole, 70 Amp Q Line bolt-on miniature circuit breaker designed for residential and commercial applications. Part of ABB’s TEY/Q-Line series, this thermal-magnetic device features a compact one-inch wide per pole design, ideal for high-density panel configurations. Engineered for secure bolt-on mounting to bus connections in load centers and lighting panels, the THQB22070 ensures reliable circuit protection with a 10,000 AIC (Amperes Interrupting Capacity) at 240 Vac. The breaker incorporates ABB’s Quick-make/Quick-break mechanism for rapid and safe circuit interruption, protecting downstream equipment from electrical faults. A clearly visible trip indicator provides immediate visual confirmation for simplified troubleshooting and maintenance. The THQB22070 supports system voltages of 120 Vac, 120/240 Vac, and 240 Vac, with a fixed long-time and instantaneous trip function. It is suitable for reverse feed applications and HID circuits, meeting HACR (Heating, Air Conditioning, and Refrigeration) requirements. Optional accessories include auxiliary contacts for remote signaling and shunt trip accessories for remote tripping, enhancing system control and monitoring capabilities.
  • 2-pole, 70 Amp thermal-magnetic circuit breaker
  • 10,000 AIC interrupting capacity at 240 Vac
  • Compact one-inch wide per pole design for high-density panels
  • Quick-make/Quick-break mechanism for rapid fault interruption
  • Supports 120 Vac, 120/240 Vac, and 240 Vac system voltages
  • Common trip bars prevent single-phased operations
  • Visible trip indicator for easy troubleshooting
  • Suitable for reverse feed and HID applications
  • Optional auxiliary contacts and shunt trip accessories available

Specifications

Connection Type
Bolt-on
Current Rating
70 A
Material
Thermal-magnetic
Mounting Type
Bolt-on to bus connections
Mounting Type
Bus connections of load centers and lighting panels
Mounting Type
Bus connection
Poles
2
Poles
2-Pole
Poles
1, 2, or 3 pole
Series
Q Line
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 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. 2070 Amps 70 A
Voltage Rating
240 Vac
Voltage Rating
240 V AC
Package Dimensions (L x W x H)
3 IN x 2 IN x 3.75 IN
Package Dimensions (L x W x H)
7.62 cm x 5.08 cm x 9.525 cm
Package Weight (Imperial)
0.805 L
Package Weight (Metric)
0.365 kg
Copper One-Hole Lug, Standard Barrel Narrow Tongue, Peep Hole, Max 35kV, Wire Size #1 AWG, 1/4 Inch Bolt Size, Tin Plated, Die Code 37, Die Color Code Green

54108NT

Copper One-Hole Lug, Standard Barrel Narrow Tongue, Peep Hole, Max 35kV, Wire Size #1 AWG, 1/4 Inch Bolt Size, Tin Plated, Die Code 37, Die Color Code Green
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.
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
ZCT,LZR-030(V),EMPR,EXP

76512124011

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

83411621001

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

Frequently Asked Questions

What voltage rating does the THQB22070 support?

The THQB22070 supports a voltage rating of 240 Vac.

What is the mounting type for the THQB22070?

The THQB22070 is a bolt-on circuit breaker designed for secure mounting to bus connections.

What is the pole configuration of the THQB22070?

The THQB22070 is a 2-pole circuit breaker.

Does the THQB22070 include a common trip bar?

Yes, the THQB22070 features an integrated common trip bar for simultaneous pole tripping.

Is the THQB22070 compatible with auxiliary contacts?

Yes, the THQB22070 can be ordered with auxiliary contact accessories for remote signaling.

Can the THQB22070 be used in HID applications?

Yes, the THQB22070 is available for use in High-Intensity Discharge (HID) applications.

How to Install the ABB THQB22070 Q Line Circuit Breaker

Step-by-step guide to securely install the ABB THQB22070 bolt-on circuit breaker in load centers or lighting panels.

Estimated time: 15m

Tools needed:

Screwdriver, Crimping tool (for wire connections)

Supplies needed:

Mounting screws, Bus bar connection, Wiring

  1. Prepare the mounting surface

    Ensure the bus bar connections in the load center or lighting panel are clean and free of debris. Verify compatibility with the THQB22070 bolt-on design.

  2. Position the circuit breaker

    Align the THQB22070 with the designated slot on the bus bar. Ensure the breaker’s mounting tabs engage securely with the bus bar.

  3. Secure the circuit breaker

    Fasten the breaker to the bus bar using the provided mounting screws. Tighten screws to the manufacturer’s specified torque to ensure a stable electrical connection.

  4. Connect the wiring

    Attach the load and line wires to the breaker’s terminals. Use a crimping tool to secure wire connections and ensure proper torque for reliable electrical contact.

  5. Verify installation

    Visually inspect the breaker for secure mounting and proper wire connections. Perform a functional test by energizing the circuit and confirming normal operation.

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.