Eaton QHPX1050 Thermal-Magnetic Breaker CSA UL Listed
Part Number: QHPX1050
Quick Summary
Eaton QHPX1050 thermal magnetic circuit breaker is designed for industrial control panels and power distribution applications. When panel density increases or fault currents surge, reliable protection with fast trip times minimizes downtime and equipment damage. The QHPX1050 supports HACR rated protection, is CSA Certified and UL Listed, and is suitable for HVAC and general industrial equipment. This adds compliance confidence while simplifying procurement with a single, interchangeable solution across Eaton’s QHPX family. Its plug-on mounting and single-pole design deliver a compact, easy-to-install protection block. With a 50 A rating and 42 kAIC interrupt capacity, it balances protection and performance for demanding electrical systems.
Product Information
Extended Description
QHPX1050 Eaton: Eaton Quicklag Type QHP Industrial Thermal-Magnetic Circuit Breaker,Industrial circuit breaker,50 A,42 kAIC,Single-pole,120/240 V,Thermal-magnetic,Q17,QHPX,Non-Interchangeable
Product Name
Eaton Quicklag thermal magnetic circuit breaker
Catalog Number
QHPX1050
UPC
786679152126
Product Length/Depth
3.6 in
Product Height
4.7 in
Product Width
1.3 in
Product Weight
0.4 lb
Warranty
1 year
Compliances
HACR Rated
Certifications
CSA Certified UL Listed
Circuit breaker type
QHPX
Mounting Method
Plug-on
Number of poles
Single-pole
Type
Industrial circuit breaker
Amperage Rating
50 A
Interrupt rating
42 kAIC
Trip Type
T268
Voltage rating
120/240 V
Options
Non-Interchangeable
Quantity
17
The 50 A amperage rating delivers precise branch circuit protection while the 42 kAIC interrupt capacity ensures robust handling of high fault currents, reducing the risk of damage to upstream equipment. This thermal magnetic mechanism provides coordinated overload and short-circuit protection, improving overall system reliability in demanding environments. Plug-on mounting simplifies installation and replacement, enabling faster panel upgrades and reduced labor costs. The compact 3.6 in depth, 4.7 in height, and 1.3 in width fit tightly packed panels, saving space without compromising accessibility. HACR rated protection supports HVAC and related equipment, satisfying regulatory expectations and streamlining approvals. CSA Certified and UL Listed certifications further assure compliance across North American electrical codes, while non-interchangeable options prevent mismatches in multicircuit panels. This combination supports durable, maintenance-friendly operation in industrial facilities.
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FAQs
Yes, QHPX1050 uses a plug-on mounting method compatible with Eaton QHPX family panels. Its single pole design and compact dimensions (3.6 in x 4.7 in x 1.3 in) simplify retrofits and new installations in crowded electrical enclosures, reducing wiring complexity while maintaining secure, code-compliant protection.
The device provides a 50 A nominal rating with a 42 kAIC interrupt capacity and operates at 120/240 V. Trip type is T268, ensuring fast response to overloads and short circuits. These specs support reliable protection for branch circuits feeding motors, controls, and HVAC equipment in industrial environments.
Yes, the QHPX1050 is HACR rated, making it well suited for HVAC applications and related industrial equipment. Its protection characteristics balance motor start-up surges and steady-state loads, while maintaining compliance with safety standards, enabling dependable operation in climate control and process lines.
The unit is CSA Certified and UL Listed, providing recognized third party validation of safety and performance. These certifications support code compliance in North American installations, streamline procurement documentation, and improve acceptance with HVAC contractors and electrical inspectors.
The device is designed for long service life in industrial panels with minimal maintenance beyond periodic visual checks and electrical testing as part of routine panel servicing. Its reliability reduces unplanned downtime, limits equipment damage from faults, and lowers replacement costs, contributing to favorable ROI in manufacturing, processing, and building automation contexts.