Eaton QPHW2040 Thermal-Magnetic Circuit Breaker - 22 kAIC
Part Number: QPHW2040
Quick Summary
QPHW2040 is an Eaton industrial thermal-magnetic circuit breaker designed for panel protection in industrial electrical systems. This unit helps avoid nuisance trips and costly downtime in demanding machine environments by delivering precise overcurrent protection. It carries CSA Certified and UL Listed approvals with HACR rating to support HVAC and general-purpose control panels. Its compact plug-on mounting and fixed terminals streamline installation, while the 40 A rating and 22 kAIC interrupt capability deliver robust protection for 120/240 V systems. With a 1-year warranty, this non-interchangeable two-pole breaker offers dependable, standards-based protection for modern automation applications.
Product Information
Extended Description
QPHW2040 Eaton: Eaton Quicklag Type QPH Industrial Thermal-Magnetic Circuit Breaker,Industrial circuit breaker,40 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
QPHW2040
UPC
786679387191
Product Length/Depth
3.1 in
Product Height
2 in
Product Width
3.1 in
Product Weight
0.7 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
40 A
Interrupt rating
22 kAIC
Trip Type
T268
Voltage rating
120/240 V
Options
Non-Interchangeable
Quantity
7
Feature: Thermal-magnetic trip mechanism provides both electromagnetic instant protection and thermal protection for motor loads. Business Impact: Reduces nuisance trips from inrush while safeguarding equipment from sustained faults, improving panel reliability in industrial automation environments. Application: Ideal for machine control panels and HVAC circuits where stable protection is critical. Feature: 40 A amperage rating with 22 kAIC interrupt capacity. Business Impact: Minimizes downstream damage and downtime during high-energy faults, extending equipment life and reducing maintenance costs. Application: Suitable for protecting motor starters and distribution feeders in commercial and industrial panels. Feature: Plug-on mounting with fixed terminals. Business Impact: Accelerates installation and serviceability, lowers wiring errors, and supports quick retrofits in tight panel spaces. Application: Fits standard industrial control enclosures and retrofit projects requiring reliable fasteners and robust connections. Feature: Certifications and ratings (UL Listed, CSA Certified, HACR Rated). Business Impact: Ensures compliance with safety and electrical codes, enabling faster approval for regulated installations. Application: Critical for HVAC, general-purpose control panels, and mission-critical equipment. Feature: Physical and electrical footprint (Two-pole, 120/240 V). Business Impact: Delivers compact, predictable protection for dual-voltage circuits while maintaining clear labeling and ease of wiring. Application: Widely used in multi-volt industrial panels and equipment racks. Insight: Choosing non-interchangeable QPHW series breakers fosters consistent trip characteristics and documentation across a facility, simplifying maintenance planning and spare-part inventory in industrial settings.
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FAQs
QPHW2040 uses plug-on mounting with fixed terminals, designed for straightforward field installation in industrial panels. The plug-on design speeds panel assembly and retrofit projects, while fixed terminals provide a robust and vibration-resistant electrical connection suitable for routine maintenance.
QPHW2040 is a two-pole breaker rated at 40 A with a 22 kAIC interrupt rating, operating at 120/240 V. Its trip type aligns with standard thermal-magnetic protection, delivering both instantaneous and thermal response to short circuits and overloads in industrial circuits.
Yes. The unit carries HACR rating, which is specifically intended for HVAC equipment, along with UL Listed and CSA Certified approvals, ensuring code-compliant protection for HVAC control panels and related systems.
QPHW2040 holds UL Listed and CSA Certified markings, with HACR rating. These certifications verify safety and performance against recognized standards, streamlining regulatory approvals for industrial panels and reducing risk during audits.
The 1-year warranty demonstrates initial reliability, while the non-interchangeable design ensures consistent trip characteristics across replacements. The rugged construction and reliable protection reduce unplanned downtime, contributing to lower maintenance costs and faster mean time to repair (MTTR) in automation environments.