Eaton BAB2090I Thermal Magnetic Circuit Breaker - UL Listed
Part Number: BAB2090I
Quick Summary
The BAB2090I thermal magnetic circuit breaker from Eaton provides reliable overcurrent protection for 120/240 V distribution panels in industrial settings. Avoids costly downtime caused by nuisance trips and mis-specified protection by offering precise thermal-magnetic trip behavior and a robust Quicklag design. UL Listed and CSA Certified, with HACR-rated performance, provide compliance confidence across industrial panels, HVAC feeders, and utility interfaces. Its two-pole design, 90 A rating, and 120-240 V compatibility support streamlined panel layouts while saving space and installation time. This compact unit (2.563 in deep, 3 in high, 2 in wide) is a dependable choice for OEM assemblies and field retrofits.
Product Information
Extended Description
BAB2090I Eaton: Eaton BAB thermal magnetic circuit breaker,Quicklag industrial thermal-magnetic circuit breaker,90 A,10 kAIC,Two-pole,240 V,Non-interchangeable,BAB,120-240 V Shunt trip
Product Name
Eaton BAB thermal magnetic circuit breaker
Catalog Number
BAB2090I
UPC
782114312940
Product Length/Depth
2.563 in
Product Height
3 in
Product Width
2 in
Product Weight
0.75 lb
Warranty
1 year
Compliances
HACR Rated
Certifications
UL Listed CSA Certified
Circuit breaker type
BAB
Number of poles
Two-pole
Number of wires
3
Type
Quicklag industrial thermal-magnetic circuit breaker
Amperage Rating
90 A
Interrupt rating
10 kAIC
Phase
Single-phase
Trip Type
T196
Voltage rating
120/240 V
Shunt trip
120-240V
Used with
Distribution panels 240 V (Three-phase, four-wire maximum)
Circuit Protection, Miniature Circuit Breakers and Supplementary Protectors, Volume 4, Tab 1
Circuit Breakers Explained
Eaton Specification Sheet - BAB2090I
90 A amperage rating paired with a 10 kAIC interrupt rating delivers precise overcurrent protection for feeder circuits. If a fault occurs, the breaker trips quickly, minimizing arc-length, reducing equipment damage, and shortening outage durations. This is ideal for distribution panels in manufacturing lines where reliable start-up and load switching are critical. The Quicklag industrial thermal-magnetic design provides predictable trip curves for both rapid faults and transient overloads, improving diagnostic clarity during maintenance and reducing nuisance trips, which translates to lower service costs and improved overall line availability. The shunt trip option at 120-240 V enables remote isolation from supervisory controls or safety interlocks, enhancing plant safety and rapid response. UL Listed and CSA Certified with HACR rating ensure regulatory compliance across HVAC feeders and general power distribution. The compact form factor (2.563 in depth, 3 in height, 2 in width) supports easy mounting and enclosure integration, improving installation efficiency and reducing panel real estate needs. Compatibility with distribution panels up to 240 V (three-phase, four-wire maximum) keeps system design straightforward and scalable for evolving industrial layouts.
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FAQs
BAB2090I is a two-pole, 90 A thermal-magnetic circuit breaker designed for 120/240 V distribution panels. It fits standard enclosures and uses a 2 in width, 3-wire configuration with a 2.563 in depth and 3 in height, enabling straightforward mounting and compatibility with existing panel rails and MCCs in industrial settings.
The BAB2090I provides a 90 A amperage rating, 10 kAIC interrupt rating, single-phase operation, and a 120/240 V voltage rating. It includes a shunt trip option from 120 to 240 V and is built as a quicklag industrial thermal-magnetic breaker to balance fast fault response with nuisance-trip resistance.
BAB2090I is specified as a single-phase, two-pole breaker intended for distribution panels up to 240 V. It is not designed for primary three-phase loads; for three-phase applications, select a breaker rated for the appropriate phase configuration and ensure compatibility with your panel’s wiring scheme.
The BAB2090I is UL Listed and CSA Certified, with HACR-rated performance suitable for HVAC and general distribution panels. These certifications help ensure compliance with electrical codes and safety requirements across industrial environments.
With a robust 90 A rating and reliable 10 kAIC interrupt capability, BAB2090I reduces unplanned downtime from faults. Its compact form factor simplifies installation, while UL CSA certification and HACR rating assure ongoing regulatory compliance, contributing to lower lifecycle costs and easier retrofits in OEM assemblies and field upgrades.