Eaton QPHW2050 Thermal-Magnetic Circuit Breaker - CSA UL
Part Number: QPHW2050
Quick Summary
Eaton Quicklag thermal magnetic circuit breaker protects electrical circuits in industrial panels and machinery. This device delivers precise overcurrent protection by combining thermal and magnetic trip elements, helping prevent nuisance trips while safeguarding equipment. Nuisance trips and mis-matched ratings can trigger downtime and costly repairs, especially in high-demand production lines. The unit is HACR rated and is CSA Certified and UL Listed, ensuring compliance with widely adopted safety standards and smoother integration into electrical rooms. With plug-on mounting and a two-pole design, installation is quick and wiring remains tidy, supporting rapid commissioning and service. Across industries such as manufacturing, HVAC, and process automation, it offers dependable protection that reduces maintenance costs and extends asset life.
Product Information
Extended Description
QPHW2050 Eaton: Eaton Quicklag Type QPH Industrial Thermal-Magnetic Circuit Breaker,Industrial circuit breaker,50 A,22 kAIC,Two-pole,120/240 V,Thermal-magnetic,Q7,QPHW,Fixed,Non-Interchangeable
Product Name
Eaton Quicklag thermal magnetic circuit breaker
Catalog Number
QPHW2050
UPC
786679387207
Product Length/Depth
3.9 in
Product Height
4.8 in
Product Width
2.2 in
Product Weight
0.65 lb
Warranty
1 year
Compliances
HACR Rated
Certifications
CSA Certified UL Listed
Circuit breaker type
QPHW
Mounting Method
Plug-on
Number of poles
Two-pole
Terminals
Fixed
Type
Industrial circuit breaker
Amperage Rating
50 A
Interrupt rating
22 kAIC
Trip Type
T268
Voltage rating
120/240 V
Options
Non-Interchangeable
Quantity
7
Feature → Business Impact → Application: Thermal-magnetic trip provides both overload and short-circuit protection, reducing the risk of equipment damage and unplanned downtime. This translates to more consistent line uptime and lower maintenance costs in control panels and motor circuits. Application: Industrial panels and machine control where reliable protection and fast fault discrimination are critical. Feature → Business Impact → Application: A 50 A amperage rating with a 22 kAIC interrupt rating delivers robust short-circuit handling for typical factory loads, minimizing the chance of conductor damage and equipment failure during surge events. Application: Feeder circuits and motor starter protections in manufacturing lines with medium current demands. Feature → Business Impact → Application: Two-pole design with plug-on mounting and fixed terminals simplifies field installation and future servicing, reducing commissioning time and wiring errors. Application: Replacement or retrofit in existing Eaton QPHW families and new panel builds seeking quick, secure mounting. Feature → Business Impact → Application: HACR rating combined with CSA Certified and UL Listed certifications ensures regulatory compliance and safer HVAC and process equipment integration, reducing risk in code inspections. Application: Commercial and industrial facilities requiring validated electrical protections. Feature → Business Impact → Application: 1 year warranty adds predictable support and lowers lifecycle risk, supporting maintenance planning and total cost of ownership considerations. Application: Durable protection for ongoing production schedules and service contracts.
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FAQs
QPHW2050 is designed for industrial control panels and 120/240 V circuits. It uses plug-on mounting with fixed terminals and a two-pole configuration, aligning with Eaton’s QPHW family. This makes it a straightforward drop-in or retrofit option for panel boards seeking reliable, code-compliant protection with quick installation.
The QPHW2050 features a 22 kAIC interrupt rating and a thermal-magnetic trip type (T268), delivering robust short-circuit protection while also handling overload conditions. This combination provides fast, selective disconnection to protect conductors and connected equipment in demanding industrial environments.
Yes. The QPHW2050 is HACR rated and carries CSA Certification and UL Listing. These certifications support compliance with common electrical codes and standards, facilitating safer integration in HVAC, manufacturing, and process control applications while easing regulatory reviews.
Installation uses plug-on mounting with fixed terminals, designed for two-pole 50 A circuits. Its compact dimensions and Eaton compatibility simplify integration into crowded panels. Plan for 3.9 in depth, 4.8 in height, and 2.2 in width, with a weight around 0.65 lb, to ensure proper clearance and wiring space.
With a 1-year warranty and dependable protection against nuisance trips and faults, the QPHW2050 reduces downtime and maintenance costs. Its straightforward wiring, compact form, and compatibility with existing Eaton breakers also lower commissioning time and spare parts requirements, contributing to a favorable total cost of ownership for industrial installations.