ABB - Electrification Signature Partner Distributor
ABB - Electrification THQB31WY25 - 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. WY25 Amps 25 A
ABB - Electrification

THQB31WY25

UPC: 783164000603


Documents & Media
Specification Sheet

Contact for Pricing

Overview

The ABB THQB31WY25 is a compact, 1-inch wide per pole, thermal-magnetic circuit breaker designed for reliable branch circuit protection in residential and commercial applications. As a bolt-on version of the renowned Q Line, this 1-pole, 25 Amp breaker ensures a secure and direct connection to the bus connections of load centers and lighting panels. Engineered for safety and reliability, all Q Line circuit breakers feature Quick-make / Quick-break mechanisms for rapid and decisive circuit interruption, common trip bars for simultaneous pole tripping, and easily identifiable trip indication for straightforward fault identification. The THQB31WY25 model is built to ABB's stringent standards, ensuring consistent operation. It is UL and cUL listed to UL 489 standards. Q Line breakers are available in 1, 2, and 3 pole versions and can be ordered with auxiliary contact and shunt trip accessories, as well as for High-Intensity Discharge (HID) applications. This specific model, THQB31WY25, is rated for 25 Amps and features a bolt-on mounting type for secure installation. Its compact design optimizes space within electrical enclosures, making it an ideal choice for new installations and upgrades where dependable branch circuit protection is paramount. Manufacturer: ABB - Electrification. SKU: THQB31WY25. This breaker has an AIC rating of 10,000. It requires 3 pole spaces (2P+1N) and operates at 120/240Vac. The Q Line series offers thermal-magnetic protection, ensuring robust performance for various electrical systems. Its bolt-on design facilitates straightforward installation onto load center and lighting panel bus connections, providing a stable and reliable electrical interface. With a 10,000 AIC rating, it offers substantial short-circuit protection for its class. The 1-pole configuration is ideal for single-phase branch circuits requiring precise overcurrent protection. ABB's commitment to quality is evident in the durable construction and reliable tripping mechanisms of the THQB31WY25, making it a trusted component for electrical distribution systems.
  • 1-Pole, 25 Amp thermal-magnetic circuit breaker
  • Bolt-on mounting for secure bus connection
  • 10,000 AIC (Ampere Interrupting Capacity)
  • 120/240Vac operating voltage
  • Quick-make / Quick-break mechanisms for reliable tripping

Specifications

Application
Electrical distribution and Control
Connection Type
Bolt-on
Current Rating
25 A
Mounting Type
Bolt-On
Mounting Type
Bolt-on to bus connections
Poles
1P
Poles
1-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. WY25 Amps 25 A
Voltage Rating
120/240 Vac
Package Weight (Imperial)
1.124 L
Package Weight (Metric)
0.510 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 ampere rating of the THQB31WY25 circuit breaker?

The ABB THQB31WY25 circuit breaker has an ampere rating of 25 A.

What type of mounting does the THQB31WY25 circuit breaker use?

The THQB31WY25 circuit breaker is a bolt-on version designed for bolting to the bus connections of load centers and lighting panels.

What is the AIC rating for the THQB31WY25 circuit breaker?

The THQB31WY25 circuit breaker has an AIC (Ampere Interrupting Capacity) rating of 10,000.

What voltage is the THQB31WY25 circuit breaker rated for?

The THQB31WY25 circuit breaker is rated for 120/240Vac.

How many pole spaces does the THQB31WY25 circuit breaker require?

The THQB31WY25 circuit breaker requires 3 pole spaces (2P+1N).

Are Q Line circuit breakers suitable for HID applications?

Yes, Q Line circuit breakers can be ordered for use in HID applications.

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.