ABB - Electrification THQC2140LL - Q line circuit breakers are one-inch wide per pole, compact, thermal-magnetic devices designed for residential and commercial applications. The QC breakers are lug-lug versions of the Q Line and are available for 35mm DIN rail mounting. 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 and can be ordered with auxiliary contact and shunt trip accessories. 40LL Amps 40 A
ABB - Electrification

THQC2140LL

UPC: 783164070910

Contact for Pricing

Overview

The ABB Electrification THQC2140LL is a 1-inch wide, 1-pole, 40 Amp thermal-magnetic circuit breaker designed for residential and commercial electrical distribution systems. As a lug-lug version of ABB's renowned Q Line series, this compact breaker is engineered for reliable performance in 35mm DIN rail mounting applications. The THQC2140LL features ABB's Quick-make/Quick-break mechanism, ensuring rapid and decisive contact operation to minimize arcing and extend operational lifespan. Its integrated common trip bar provides simultaneous tripping in multi-pole configurations, a critical safety feature for electrical systems. The breaker includes an easily identifiable trip indication system for quick visual confirmation of faults, simplifying troubleshooting and reducing downtime. Built to UL 489 standards, the THQC2140LL is UL Listed as HACR-rated for heating, air conditioning, and refrigeration applications, and SWD-rated for switching 120V fluorescent lighting loads. The 120/240 Vac rated breaker is manufactured in the USA and supports auxiliary contact and shunt trip accessories for enhanced functionality in complex electrical networks. Ideal for OEM applications, panelboards, and lighting panels, this circuit breaker delivers precise current interruption and reliable protection against overloads and short circuits. Specifications: Current Rating: 40 A, Poles: 1, Mounting Type: Lug-Lug, DIN Rail Mountable (35mm), Series: Q Line, Voltage Rating: 120/240 Vac. Manufacturer: ABB - Electrification. SKU: THQC2140LL.
  • 1-inch wide per pole, compact thermal-magnetic design
  • Lug-lug version of ABB's Q Line for 35mm DIN rail mounting
  • Quick-make / Quick-break mechanisms for enhanced safety
  • Common trip bars and easy-to-spot trip indication
  • UL Listed HACR and SWD rated for versatile applications

Specifications

Amperage Rating
40A
Application
CB3 Ground Fault Circuit Interrupters (GFCI)
Connection Type
Lug-lug
Current Rating
40 A
Frame
Q-Line
Interrupt Rating
10kA@120 Vac / 10kA@120/240 Vac
Load Rating
HACR
Mounting Type
35mm DIN Rail
Number Of Poles
2
Poles
1P
Poles
1
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 QC breakers are lug-lug versions of the Q Line and are available for 35mm DIN rail mounting. 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 and can be ordered with auxiliary contact and shunt trip accessories. 40LL Amps 40 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)
4 IN x 2 IN x 3 IN
Package Dimensions (L x W x H)
10.16 cm x 5.08 cm x 7.62 cm
Package Weight (Imperial)
0.791 L
Package Weight (Metric)
0.359 kg
Ground Lug

DNGL

Ground Lug
COVER,SET,AP-400,MC-265a~400a

64611614007

COVER,SET,AP-400,MC-265a~400a
INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

83411621001

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

Is the THQC2140LL compatible with 35mm DIN rails?

Yes, the THQC2140LL is designed for 35mm DIN rail mounting.

What is the pole configuration of the THQC2140LL?

The THQC2140LL is a 1-pole circuit breaker.

What is the voltage rating of the THQC2140LL?

The THQC2140LL has a voltage rating of 120/240 Vac.

Does the THQC2140LL support auxiliary contacts or shunt trips?

Yes, the THQC2140LL can be ordered with auxiliary contact and shunt trip accessories for enhanced functionality.

What certifications does the THQC2140LL have?

The THQC2140LL is UL 489 listed, HACR-rated for HVAC applications, and SWD-rated for switching fluorescent lighting loads.

Is the THQC2140LL suitable for OEM applications?

Yes, Q Line cable-in/cable-out (lug-lug) circuit breakers are an excellent choice for OEM applications.

What is the interrupting rating of the THQC2140LL?

The THQC2140LL has an interrupting rating of 22,000 AIC.

Can the THQC2140LL be used in multi-pole configurations?

Yes, Q Line breakers feature common trip bars for simultaneous tripping in multi-pole setups.

How to Install the ABB THQC2140LL Circuit Breaker

Step-by-step guide to mounting and wiring the THQC2140LL on a 35mm DIN rail.

Estimated time: 15m

Tools needed:

Screwdriver, Wire strippers, Crimping tool

Supplies needed:

Mounting screws, Cable lugs, Copper wire

  1. Prepare the DIN rail

    Ensure the 35mm DIN rail is clean, level, and securely mounted in the electrical panel.

  2. Mount the circuit breaker

    Align the THQC2140LL with the DIN rail, then snap it into place by applying firm pressure until it clicks.

  3. Connect input and output wires

    Strip the wire ends, insert them into the lug terminals, and tighten the screws to the manufacturer's specified torque (typically 25-30 in-lbs).

  4. Verify secure connections

    Gently tug each wire to ensure it is firmly secured. Recheck torque if any movement is detected.

  5. Test the installation

    Power up the system and perform a manual trip test to confirm the breaker operates correctly.

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.