Description
Product Overview
The ABB THQL1150 is a 50A single pole circuit breaker designed for reliable electrical protection in residential and commercial settings. Constructed with high-quality copper components, this thermal-magnetic breaker features a compact one-inch per pole design, plug-in mounting, and a 120V voltage rating. It includes clear trip indication and common trip bars for enhanced safety. With dimensions of 1 x 3.8 x 3 inches and a weight of 3.2 ounces, it is built for durability and ease of integration into various electrical panels.

Usage
This circuit breaker is ideal for use in load centers and lighting panels within homes, offices, and industrial facilities. It effectively manages electrical circuits to prevent overloads and short circuits, making it suitable for applications requiring 50A protection. The target audience includes electricians, facility managers, and DIY enthusiasts seeking a dependable solution for maintaining electrical system safety and efficiency.
Why Choose Us
ABB’s THQL1150 stands out due to its compliance with industry safety standards, robust construction, and proven reliability. The quick-make/quick-break mechanism ensures rapid response to faults, while the thermal-magnetic design provides consistent performance under varying conditions. Backed by a 2-year warranty, it offers peace of mind and long-term value for your electrical protection needs.
Key Features
- 50A current rating for effective overload and short circuit protection
- Plug-in mount design for easy installation and replacement
- Thermal-magnetic operation ensuring reliable performance across temperature ranges
- Compact one-inch wide per pole format saving space in electrical panels
- High-quality copper construction enhancing conductivity and durability
FAQ
What panels is the THQL1150 compatible with?
The THQL1150 is compatible with ABB load centers and lighting panels that accept plug-in mount breakers. Always verify compatibility with your specific panel model before installation.
Does this breaker have a trip indicator?
Yes, it features a clear trip indication to easily identify when the breaker has tripped, aiding in quick troubleshooting and reset.
What is the warranty period for this product?
ABB provides a 2-year warranty for the THQL1150 circuit breaker, covering defects in materials and workmanship under normal use.
Can I use this breaker for both residential and commercial applications?
Absolutely, the THQL1150 is designed for use in both residential and commercial electrical systems, offering versatile protection for various environments.
Is auxiliary equipment available for this breaker?
Yes, the THQL1150 supports optional accessories like auxiliary contacts and shunt trips, allowing for expanded functionality in complex setups.




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