Eaton QPHW3040H Industrial Thermal-Magnetic Circuit Breaker - UL Listed
Part Number: QPHW3040H
Quick Summary
Eaton QPHW3040H is a three-pole industrial thermal-magnetic circuit breaker designed to protect power distribution panels from overcurrent and short circuits. Engineers often face nuisance trips and slow responses in demanding environments, which can increase downtime and equipment wear. It carries UL Listed, CSA Certified, and HACR rating labels, ensuring compliance across critical standards while supporting safe operation in commercial and industrial settings. With plug-on mounting and fixed terminals, it simplifies field installation and reduces wiring errors. The 40 A rating, 22 kAIC interrupt capacity, and 240 V rating deliver reliable protection for motor loads, control panels, and distribution boards, helping streamline procurement and maintenance in large-scale facilities.
Product Information
Extended Description
QPHW3040H Eaton: Eaton Quicklag Type QPH Industrial Thermal-Magnetic Circuit Breaker,Industrial circuit breaker,40 A,22 kAIC,Three-pole,240 V,Thermal-magnetic,Q32,QPHW,Fixed,Non-Interchangeable
Product Name
Eaton Quicklag thermal magnetic circuit breaker
Catalog Number
QPHW3040H
UPC
786679387306
Product Length/Depth
4 in
Product Height
5 in
Product Width
3 in
Product Weight
1.15 lb
Warranty
1 year
Compliances
HACR Rated
Certifications
UL Listed CSA Certified
Circuit breaker type
QPHW
Mounting Method
Plug-on
Number of poles
Three-pole
Terminals
Fixed
Type
Industrial circuit breaker
Amperage Rating
40 A
Interrupt rating
22 kAIC
Trip Type
T268
Voltage rating
240 V - 240 V
Options
Non-Interchangeable
Quantity
32
Three-pole, plug-on design with fixed terminals delivers fast, error-free installation and stable connectivity, reducing field labor time and miswiring risk in new builds and panel refurbishments. This industrial three-pole circuit breaker provides thermal-magnetic protection with precise trip characteristics, minimizing nuisance trips while safeguarding sensitive motors and control circuits, which translates to lower maintenance costs and higher uptime. A robust 22 kAIC interrupt rating ensures safe fault current dissipation in moderate to high-energy environments, improving system reliability for feeders and distribution panels. The 40 A rating at 240 V fits common industrial loads, enabling streamlined procurement and consistent protection across panels and switchgear. Compliance with HACR, UL Listed, and CSA Certified standards reinforces regulatory alignment while enabling straightforward integration with existing Eaton QPHW families and field installations.
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FAQs
QPHW3040H uses plug-on mounting with fixed terminals designed for compatibility with standard Eaton panels and QPHW family components. This enables rapid retrofit or new-panel assembly, reduces field wiring errors, and supports clean, secure terminations in harsh industrial environments.
Key ratings include a 40 A amperage rating, 22 kAIC interrupt capacity, 240 V operating range, and three-pole configuration. These specifications provide robust overcurrent protection for motor feeders and distribution circuits while supporting reliable performance under typical industrial fault conditions.
Yes. With three poles, fixed terminals, and a 22 kAIC interrupt rating, the QPHW3040H is well-suited for motor feeders and control panels, offering reliable protection against overloads and short circuits without compromising coordination with other protection devices in the same panel.
The QPHW3040H is UL Listed and CSA Certified and HACR Rated, ensuring compliance for safety, energy management, and HVAC-related installations. These certifications simplify procurement and regulatory alignment for regulated facilities.
The unit’s precise thermal-magnetic trips reduce nuisance outages, while its rugged construction and compliance reduce maintenance costs and warranty risk. Coupled with plug-on installation and fixed terminals, facilities typically experience shorter commissioning times and improved panel reliability, contributing to lower downtime and a faster return on investment.