Eaton BAB2090 Thermal Magnetic Circuit Breaker - 10 kAIC
Part Number: BAB2090
Quick Summary
Eaton BAB2090 thermal magnetic circuit breaker protects industrial distribution panels and motor circuits by interrupting faults quickly. This compact, bolt-on two-pole device helps reduce wiring complexity and panel footprint while meeting critical protection needs. Built for 120/240 V systems, it offers a 90 A rating and a 10 kAIC interrupt capacity, backed by CSA Certified and UL Listed compliance, with HACR-rated notes for HVAC applications. For engineers facing tight installation timelines, the non-interchangeable design simplifies selection and reduces spare-part inventory. Leveraging Eaton's Quicklag technology, it delivers reliable coordination with downstream devices, while the 1-year warranty supports ongoing maintenance economics and total-cost-of-ownership considerations.
Product Information
Extended Description
BAB2090 Eaton: Eaton BAB thermal magnetic circuit breaker, 90A, BAB type, 10 kAIC, Bolt-on mounting, Two-pole, Non-Interchangeable, 120/240V
Product Name
Eaton BAB thermal magnetic circuit breaker
Catalog Number
BAB2090
UPC
786679302903
Product Length/Depth
3.5 in
Product Height
3 in
Product Width
2.5 in
Product Weight
0.65 lb
Warranty
1 year
Certifications
CSA Certified UL Listed
Catalog Notes
HACR rated
Circuit breaker type
BAB
Mounting Method
Bolt-on
Number of poles
Two-pole
Type
Quicklag industrial thermal-magnetic circuit breaker
Amperage Rating
90 A
Interrupt rating
10 kAIC
Trip Type
Non-Interchangeable
Voltage rating
120/240 V
Quantity
7
Special features
Bolt-on mounting
Feature → Business Impact → Application: Thermal magnetic protection combines overload and short-circuit interruption to minimize nuisance trips and protect downstream equipment, translating to improved uptime and reduced repair costs for critical lines in manufacturing cells and process panels. Application: motor control centers and equipment feeds in industrial environments benefit from fast fault isolation and dependable protection. Feature → Business Impact → Application: Bolt-on mounting and a two-pole design simplify installation, delivering secure, vibration-resistant integration in new builds and retrofit projects with limited ceiling or enclosure space. Application: control panels in packaging, material handling, and HVAC systems benefit from straightforward field mounting and robust operation. Feature → Business Impact → Application: 90 A rating with a 10 kAIC interrupt capacity provides scalable protection for medium-load circuits, enabling compliant protection of feeders and branch circuits in machine rooms and panelboards. Application: general industrial protection and HVAC applications. Feature → Business Impact → Application: HACR rating, CSA Certified, and UL Listed certifications ensure regulatory compliance and safe integration into building automation and energy-management projects. Application: commercial and industrial equipment protection. Feature → Business Impact → Application: Compact dimensions (3.5 in x 3 in x 2.5 in) and 0.65 lb weight reduce enclosure footprint and logistics footprint, supporting lightweight spare parts and easier retrofits in compact panels. Application: space-constrained industrial control enclosures. Feature → Business Impact → Application: Non-interchangeable trip type and Quicklag family design minimize coordination surprises in complex systems, while offering clear replacement paths with identical specifications. Application: OEM line upgrades and upgrade planning in manufacturing and process industries.
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FAQs
The BAB2090 uses bolt-on mounting and two-pole construction for secure panel installation. Verify compatibility with your panelboard and follow the Eaton installation instructions in the BAB2090 datasheet to ensure proper alignment with the bus bars and housing. This approach minimizes vibration-related trips and supports reliable long-term operation in industrial environments.
BAB2090 is a 90 A thermal magnetic circuit breaker with a 10 kAIC interrupt rating, designed for 120/240 V operation and two-pole configuration. It is non-interchangeable, HACR rated, and designed for bolt-on mounting, meeting robust protection requirements for motor and process circuits in industrial settings.
Yes. The BAB2090 carries CSA Certified and UL Listed certifications and is HACR rated, ensuring compliance for HVAC and general electrical installations. These certifications support safer integration into building automation, panel assemblies, and equipment protection across industrial and commercial facilities.
Best suited for motor control circuits, panelboards, and HVAC-related equipment in industrial environments. The 90 A rating and 10 kAIC interrupt capacity provide reliable protection for medium-load feeders, while the bolt-on, two-pole design simplifies retrofits and new builds in compact control panels.
The BAB2090 carries a 1-year warranty, supporting maintenance planning and lifecycle cost control. Its compact form factor and robust protection reduce spare parts and maintenance downtime, contributing to a lower total cost of ownership in panel assemblies and OEM equipment.