Eaton QC thermal-magnetic QHCX2040 - UL Listed
Part Number: QHCX2040
Quick Summary
The Eaton QC thermal magnetic circuit breaker is designed to protect electrical circuits in industrial control panels from overloads and short circuits. In demanding manufacturing environments, improper protection can cause unnecessary downtime and equipment damage. This device carries UL Listed and CSA Certified safety credentials, with a 42 kAIC interrupt rating and a 120/240 V operating range, ensuring robust protection for critical loads. As a compact two-pole unit with cable-in/cable-out connections, it streamlines panel wiring and reduces installation time while delivering consistent, reliable protection for motor drives and automation controllers.
Product Information
Extended Description
QHCX2040 Eaton: Eaton Quicklag Type QHCX Industrial Miniature Thermal-Magnetic Circuit Breaker,Miniature circuit breaker,40 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
QHCX2040
UPC
786679151648
Product Length/Depth
3 in
Product Height
2 in
Product Width
3 in
Product Weight
0.6 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
40 A
Interrupt rating
42 kAIC
Trip Type
T268
Voltage rating
120/240 V
Options
Non-interchangeable
Feature: Compact two-pole design with a 40 A amperage rating provides integrated protection for balanced circuits. Business Impact: Reduces panel clutter and simplifies sourcing while maintaining high fault current tolerance for peak demand. Application: Ideal for small to mid-size control panels and motor control centers in automation lines. Long-tail keywords: miniature circuit breaker with cable-in/cable-out, two-pole thermal-magnetic breaker, 40 A control panel protection. Feature: Thermal-magnetic trip technology delivers precise overload and short-circuit protection with predictable trip curves. Business Impact: Improves reliability and minimizes nuisance trips, lowering maintenance costs. Application: Suitable for automation controllers and distributed power architectures. Long-tail keywords: thermal-magnetic protection, precise trip, load protection. Feature: Cable-in/cable-out connections enable straightforward wiring and faster field installation. Business Impact: Cuts installation time and reduces wiring errors in new builds and retrofit projects. Application: Panel assemblies and enclosure wiring in industrial plants. Long-tail keywords: cable-in/cable-out wiring, quick-connect circuit breaker. Feature: 120/240 V voltage rating and two-pole construction ensure safe, synchronized isolation of line and load. Business Impact: Simplifies compliance with standard low-voltage control circuits and enhances worker safety. Application: Industrial automation and process control panels. Long-tail keywords: 120/240 V breaker, synchronized isolation. Feature: Certifications UL Listed and CSA Certified with a 1-year warranty. Business Impact: Facilitates regulatory approval and warranty-backed uptime for OEMs and integrators. Application: Any compliant deployment in North American facilities. Long-tail keywords: UL listed circuit breaker, CSA certified protection.
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FAQs
The QHCX2040 is suited for control panels, motor control centers, and power distribution enclosures in manufacturing and process environments. With a 40 A rating, 42 kAIC interrupt capability, two-pole configuration, and cable-in/cable-out connections, it protects critical automation circuits while fitting into compact panel footprints.
Installers use the cable-in/cable-out terminals to connect supply and load conductors directly to the breaker. Its 3 in x 3 in footprint and 0.6 lb weight simplify handling, while the two-pole design ensures simultaneous isolation of both lines, reducing wiring complexity and installation time.
The QHCX2040 is UL Listed and CSA Certified, validating compliance with major North American safety standards. Its 42 kAIC interrupt rating and 120/240 V rating support reliable protection for critical loads in industrial environments, essential for regulatory acceptance and risk management.
Key ratings include 40 A amperage, 42 kAIC interrupt capacity, two-pole design, and 120/240 V operation. These specs ensure adequate protection for typical automation circuits while enabling coordinated shutdown of multi-line loads, minimizing arc energy and equipment damage during faults.
With a 1-year warranty and solid certifications, the QHCX2040 offers dependable protection that reduces unplanned downtime and maintenance costs. Its compact footprint lowers inventory needs, and its reliable trip mechanism supports longer service intervals in high-demand facilities.