Eaton QHCX2050 Miniature Circuit Breaker - UL Listed
Part Number: QHCX2050
Quick Summary
Eaton QHCX2050 thermal magnetic circuit breaker protects industrial power circuits in control panels and machine wiring. Engineers often battle nuisance trips and uneven protection across varying loads, driving downtime and maintenance costs. This QHCX2050 unit is UL Listed and CSA Certified, with a 50 A rating, 42 kAIC interrupt capacity, and 120/240 V operation. Its compact two-pole, cable-in/cable-out design simplifies panel installation and supports faster commissioning. Together, these features deliver reliable protection, regulatory compliance, and lower total cost of ownership for OEMs and integrators. For engineers evaluating breakers, the QHCX2050's 3.8 inch depth, 4.8 inch height, and 2.2 inch width help optimize footprint while maintaining accessibility for diagnostics.
Product Information
Extended Description
QHCX2050 Eaton: Eaton Quicklag Type QHCX Industrial Miniature Thermal-Magnetic Circuit Breaker,Miniature circuit breaker,50 A,42 kAIC,Two-pole,120/240 V,Thermal-magnetic,Cable-in/cable-out,QHCX,Non-interchangeable
Product Name
Eaton QC thermal magnetic circuit breaker
Catalog Number
QHCX2050
UPC
786679151662
Product Length/Depth
3.8 in
Product Height
4.8 in
Product Width
2.2 in
Product Weight
0.8 lb
Warranty
1 year
Certifications
UL Listed CSA Certified
Circuit breaker type
QHCX
Connection
Cable-in/cable-out
Number of poles
Two-pole
Type
Miniature circuit breaker
Amperage Rating
50 A
Interrupt rating
42 kAIC
Trip Type
T268
Voltage rating
120/240 V
Options
Non-interchangeable
Feature: Thermal magnetic protection provides both instantaneous and time-delayed responses, reducing nuisance trips and protecting motor loads without compromising system safety. Business Impact: Minimizes unplanned downtime and extends equipment life by delivering fast, coordinated protection. Application: Ideal for 120/240 V industrial controls and machine wiring in automation panels. Long-tail keywords: thermal magnetic circuit breaker, 120/240 V protection, industrial control panels. Application benefit: Faster fault isolation lowers maintenance costs and simplifies panel commissioning. Feature: 50 A amperage rating matches common motor and control feeder sizes, enabling compliant protection without over- or under-sizing feeders. Business Impact: Optimizes energy use and reduces wiring redundancy, delivering cost savings over time. Application: Suitable for mid-scale automation circuits and distributed loads in manufacturing cells. Long-tail keywords: 50 A circuit protection, motor feeder protection, panel protection. Feature: 42 kAIC interrupt rating provides robust short-circuit handling for routine industrial fault currents. Business Impact: Enhances safety margins and reduces the risk of damage to upstream gear, improving plant uptime. Application: Protective devices for incoming service connections and critical control circuits. Long-tail keywords: high interrupt capacity, short-circuit protection, 42 kAIC. Feature: Cable-in/cable-out connections simplify field installation and reduce terminal hardware, speeding updates and replacements. Business Impact: Cuts panel build time and labor costs while enabling cleaner cable management. Application: Control panels and equipment where quick, non-soldered terminations are preferred. Long-tail keywords: cable-in cable-out wiring, easy field installation, non-interchangeable. Feature: Compact two-pole form-factor (3.8 in D, 4.8 in H, 2.2 in W) fits crowded panels and maintains accessibility for diagnostics. Business Impact: Frees panel space, supports compliant layouts, and accelerates troubleshooting. Application: OEM panel builds, machine enclosures, and distributed I/O layouts. Long-tail keywords: compact miniature circuit breaker, panel space optimization, two-pole breaker. Feature: UL Listed and CSA Certified credentials ensure regulatory compliance and reliability for North American installations. Business Impact: Reduces certification risk and accelerates time-to-commission. Application: Industrial facilities seeking proven safety certifications for compliance. Long-tail keywords: UL Listed, CSA Certified, regulatory compliance.
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FAQs
The QHCX2050 fits standard industrial control panels and machine wiring with cable-in/cable-out connections. Its two-pole design supports 120/240 V services, making it ideal for compact automation enclosures, motor control centers, and distributed control panels where space and reliability matter. This configuration simplifies field installation and reduces wiring complexity while maintaining regulatory compliance.
The QHCX2050 provides a 50 A amperage rating and a 42 kAIC interrupt capacity, suitable for typical industrial fault currents. It operates at 120/240 V and is a two-pole device with a T268 trip characteristic. These ratings balance protection with service continuity for a wide range of automation loads.
Yes. The QHCX2050 is designed for cable-in/cable-out configurations, enabling straightforward field connections without additional terminal hardware. This reduces installation time, minimizes terminal resistance concerns, and supports cleaner cable management, which is especially beneficial in densely packed control panels.
The QHCX2050 is UL Listed and CSA Certified, indicating compliance with North American safety and performance standards. These certifications reduce regulatory risk, support customer audits, and facilitate acceptance in regulated industries such as food processing, automotive, and general manufacturing.
With a 1-year warranty and robust thermal-magnetic protection, the QHCX2050 minimizes nuisance tripping and unplanned downtime. Its reliable protection, compact footprint, and easy installation translate to lower maintenance costs and faster commissioning, delivering a favorable total cost of ownership for OEMs and maintenance teams.