Eaton BQL290 Thermal Magnetic Circuit Breaker - 10 kAIC
Part Number: BQL290
Quick Summary
The Eaton BQL290 thermal magnetic circuit breaker protects electrical circuits in industrial panels. Replacement of older BQL devices often causes downtime and compatibility challenges, but the bolt-on BQL290 streamlines field upgrades without compromising protection. With HACR rating and a 10 kAIC interrupt capacity at 120/240 V, it is well-suited for HVAC and mixed-load environments. The device also supports a 90 A amperage rating and accepts Cu/Al wire sizes from #8 to 2/0, making it a versatile choice for retrofit projects. Designed to integrate with Eaton’s BQL Classic line, it delivers familiar form, predictable performance, and easier procurement, service, and spare-part planning for panel builders and maintenance teams.
Product Information
Extended Description
BQL290 Eaton: BQL Classic Replacement Circuit Breakers, Bolt-on, 90A, #8-2/0 AWG, Cu/Al, Two-pole, 10 kAIC at 120/240V
Product Name
Eaton BAB thermal magnetic circuit breaker
Catalog Number
BQL290
UPC
782114304266
Product Length/Depth
5 in
Product Height
2 in
Product Width
3 in
Product Weight
0.5 lb
Compliances
HACR Rated
Circuit breaker type
BQL
Number of poles
Two-pole
Type
Classic replacement circuit breaker
Wire size
#8-2/0 AWG Cu/Al
Amperage Rating
90 A
Interrupt rating
10 kAIC at 120/240 Vac
Voltage rating
120/240 V
Bolt-on, two-pole design with a 90 A rating and 10 kAIC interrupt capacity translates to quicker, safer field replacements and reduced downtime on critical panels. In practice, technicians simply swap the existing device and restore protection without extensive rewiring. This is especially valuable in manufacturing lines where every minute counts. Wire compatibility supports copper or aluminum conductors up to #8-2/0 AWG, enabling flexible installation in mixed-wire environments and simplifying refurbishments of legacy feeders. The HACR-rated specification helps ensure compliant operation in HVAC applications, reducing risk during commissioning and long-term operation. Compatibility with the Eaton BQL Classic replacement family guarantees retrofit consistency, minimizing stocking variety and easing training for maintenance crews. Overall, the design supports faster installation, lower maintenance costs, and standardized protection across multi-site facilities.
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FAQs
To retrofit, power down the panel, remove the existing breaker, and align the BQL290 with the bus bars and mounting hardware. Ensure the wire size meets the #8-2/0 Cu/Al range and secure both poles firmly. Verify the 120/240 V rating matches the panel specifications and perform a final test with a temporary load to confirm proper trip operation. This bolt-on design minimizes downtime and simplifies replacement logistics for service teams.
The BQL290 provides a 90 A amperage rating with a 10 kAIC interrupt capacity at 120/240 VAC. It is a two-pole device compatible with Cu/Al wire sizes #8–2/0. This combination supports protection of motor circuits and HVAC loads while meeting typical industrial protection requirements and enabling reliable short-circuit interruption at standard service voltages.
Yes. The device features HACR rating, which is specifically intended for HVAC equipment protection, and its 10 kAIC interrupt capability supports HVAC and other mixed-load circuits at 120/240 V. Its bolt-on, two-pole form factor also facilitates easy integration into standard HVAC control panels and retrofit projects.
The BQL290 lists HACR Rated compliance, which supports HVAC-related installations. Other certifications such as SIL, CE, or IP ratings are not specified in the provided data. When sourcing, verify additional certifications if your project requires them and consult the Eaton specification sheet for the latest compliance details.
Replacing with the BQL290 reduces downtime through a straightforward bolt-on installation and minimizes spare parts variety by aligning with the BQL Classic family. The 90 A rating and 10 kAIC capability improve protection for critical loads, while compatible Cu/Al wiring simplifies retrofits across multiple sites, contributing to lower maintenance costs and faster return on investment.