Eaton BAB2090S Thermal Magnetic Circuit Breaker - UL Listed
Part Number: BAB2090S
Quick Summary
Eaton BAB2090S thermal magnetic circuit breaker protects industrial equipment by interrupting fault currents in 120/240V panels. Engineers and procurement teams often struggle with correct sizing, mounting fit, and coordinating shunt-trip options across diverse control circuits. This device carries UL Listed and CSA Certified marks, supported by a 10 kAIC interrupt rating and a bolt-on, two-pole design that fits standard panel spaces. In practice, its compact footprint and 90 A rating enable reliable protection for motor feeders while reducing wiring complexity and inventory needs. For mature maintenance programs, the combination of these certifications and robust protection translates to lower downtime and stronger compliance with electrical safety standards.
Product Information
Extended Description
BAB2090S Eaton: Eaton Quicklag Industrial Thermal-Magnetic Circuit Breaker, 120, 208, 240V shunt trip, 90A, Bolt-on, Non-interchangeable trip, Two-pole, 240V rating, 10 kAIC
Product Name
Eaton BAB thermal magnetic circuit breaker
Catalog Number
BAB2090S
UPC
786679377420
Product Length/Depth
3.9 in
Product Height
4.8 in
Product Width
2.2 in
Product Weight
1 lb
Warranty
1 year
Certifications
UL Listed CSA Certified
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
240 V - 240 V
Shunt trip
120-240V
The BAB2090S delivers 90 A protection with a 10 kAIC interrupt rating, ensuring fast, predictable interruption for motor feeders and distribution circuits; this reduces equipment damage and downtime in industrial plants. The immediate business impact is clearer uptime and better protection coordination across panels, especially in high-load environments where surges are common. Application-wise, it supports 240V systems with a two-pole bolt-on design, making retrofits and panel upgrades straightforward while maintaining compatibility with standard enclosure footprints. Its shunt-trip capability (120-240V) enables remote emergency isolation, enhancing personnel safety and compliance in critical processes. With Quicklag technology, the unit responds quickly to overloads, minimizing nuisance trips and improving process stability in automation tasks. The non-interchangeable trip feature provides consistent protection characteristics, simplifying maintenance planning and spare-part inventories. Certified UL Listed and CSA Certified, the BAB2090S reduces regulatory risk while aligning with established electrical-safety programs in industrial facilities. The compact dimensions (3.9 in x 4.8 in x 2.2 in) and bolt-on mounting support dense panel layouts, reducing space requirements and wiring complexity in control panels and motor-control centers.
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FAQs
The BAB2090S is a bolt-on, two-pole breaker designed for standard industrial panels. Its compact footprint (3.9 in L x 4.8 in H x 2.2 in W) facilitates retrofit installations in existing enclosures, while the bolt-on mounting simplifies installation without needing specialized hardware or tools.
Key ratings include 90 A continuous current, 10 kAIC interrupt rating, and a 240 V operating range. It features a non-interchangeable trip, with shunt-trip capability rated from 120 to 240 V for remote isolation in safety circuits.
Yes. Its 90 A rating and 10 kAIC interruption are appropriate for motor feeders and distribution feeders within control panels. The bolt-on two-pole design supports reliable protection in motor control centers, while its compact size helps with dense panel layouts.
The BAB2090S carries UL Listed and CSA Certified marks, indicating conformance with major safety standards for electrical equipment. These certifications facilitate regulatory compliance, procurement approval, and safer installation across industrial facilities.
With a 1-year warranty and robust thermal-magnetic protection, the BAB2090S lowers the risk of unexpected trips and panel downtime. Its reliable performance reduces maintenance costs over time, improves system availability, and supports longer intervals between spare part replacements in an industrial setting.