ABB - Electrification THHQC2145LL - 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. 45LL Amps 45 A
ABB - Electrification

THHQC2145LL

UPC: 783164109368

Contact for Pricing

Overview

The ABB Electrification THHQC2145LL is a compact, one-inch wide per pole, thermal-magnetic circuit breaker engineered for reliable protection in residential and commercial electrical systems. This lug-lug version of the Q Line series is specifically designed for 35mm DIN rail mounting, facilitating efficient installation and maintenance. Built to UL 489 standards, the THHQC2145LL offers robust safety features including Quick-make / Quick-break mechanisms for rapid circuit interruption and common trip bars for simultaneous pole tripping, crucial for multi-phase applications. Its clear trip indication allows for quick identification of fault conditions, minimizing downtime. This 45A single-pole breaker is suitable for 120/240 Vac applications and can be enhanced with optional auxiliary contact and shunt trip accessories for expanded functionality. The Q Line series is also UL Listed as HACR (heating, air conditioning, and refrigeration) and suitable for SWD (Switching Duty) rated applications for single-pole 15-20A models. Trust ABB Electrification for dependable circuit protection with the THHQC2145LL. Specifications include a 45 Amp current rating, 1 pole configuration, and lug-lug terminals for direct wiring. The breaker is built to UL 489 standards and is designed for 35mm DIN rail mounting. It features Quick-make/Quick-break mechanisms and common trip bars for enhanced safety and reliability. The THHQC2145LL is suitable for 120/240 Vac systems and can be ordered with auxiliary contact and shunt trip accessories.
  • Compact, one-inch wide per pole thermal-magnetic circuit breaker
  • Lug-lug version of ABB's Q Line series
  • Designed for 35mm DIN rail mounting
  • Features Quick-make / Quick-break mechanisms and common trip bars
  • 45 Amp, 1-Pole, suitable for 120/240 Vac applications

Specifications

Amperage Rating
45A
Application
Multi-terminal
Connection Type
Lug-lug
Current Rating
45 A
Frame
Q-Line
Interrupt Rating
22kA@120 Vac / 22kA@120/240 Vac
Load Rating
HACR
Mounting Type
35mm DIN Rail
Number Of Poles
2
Poles
1 pole
Poles
1, 2, or 3 poles
Series
Q Line
Size
1 inch 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 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. 45LL Amps 45 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)
0.001 IN x 0.001 IN x 0.001 IN
Package Dimensions (L x W x H)
0.0025 cm x 0.0025 cm x 0.0025 cm
Package Weight (Imperial)
0.800 L
Package Weight (Metric)
0.363 kg
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
Ground Lug

DNGL

Ground Lug
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 is the current rating of the THHQC2145LL circuit breaker?

The ABB Electrification THHQC2145LL circuit breaker has a current rating of 45 Amps.

What type of mounting does the THHQC2145LL circuit breaker support?

The THHQC2145LL circuit breaker is designed for 35mm DIN rail mounting.

How many poles does the THHQC2145LL circuit breaker have?

The THHQC2145LL circuit breaker is a single-pole (1 pole) device.

What is the voltage rating for the THHQC2145LL circuit breaker?

The THHQC2145LL circuit breaker is rated for 120/240 Vac.

What are the key safety features of the Q Line circuit breakers?

Q Line circuit breakers feature Quick-make / Quick-break mechanisms, common trip bars, and easy-to-spot trip indication for enhanced safety and reliability.

Is the THHQC2145LL circuit breaker suitable for HACR applications?

While the Q Line series is UL Listed as HACR for 15-100 amp breakers, specific suitability for the THHQC2145LL in HACR applications should be confirmed based on the exact load and system requirements.

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.