Eaton BAB2040HI Thermal Magnetic Circuit Breaker - 10 kAIC
Part Number: BAB2040HI
Quick Summary
The Eaton BAB2040HI thermal magnetic circuit breaker protects 240 V three-phase power distribution panels. Its bolt-on mounting and Quicklag operation reduce installation time and nuisance trips in demanding industrial enclosures. It is UL Listed and CSA Certified with HACR rating, providing reliable protection for HVAC equipment and general panel loads while meeting essential safety standards. Designed for distribution panels at 240 V (three-phase, four-wire maximum), this unit offers a compact footprint without sacrificing interrupt capacity, supporting up to 10 kAIC. For engineers and procurement professionals, the combination of robust protection, serviceability, and Eaton compatibility translates into lower lifecycle costs and dependable uptime.
Product Information
Extended Description
BAB2040HI Eaton: Eaton BAB thermal magnetic circuit breaker,Quicklag industrial thermal-magnetic circuit breaker,Bolt-on mounting,40 A,10 kAIC,Two-pole,240 V,Non-Interchangeable,Q7,BAB,Ring or spade lug terminals
Product Name
Eaton BAB thermal magnetic circuit breaker
Catalog Number
BAB2040HI
UPC
782114312728
Product Length/Depth
2.563 in
Product Height
3 in
Product Width
2 in
Product Weight
0.6 lb
Warranty
1 year
Compliances
HACR Rated
Certifications
UL Listed CSA Certified
Catalog Notes
HACR rated
Circuit breaker type
BAB
Number of poles
Two-pole
Number of wires
4
Terminals
Ring or spade lug
Type
Quicklag industrial thermal-magnetic circuit breaker
Amperage Rating
40 A
Interrupt rating
10 kAIC
Phase
Three-phase
Trip Type
T196
Voltage rating
240 V - 240 V
Quantity
7
Special features
Bolt-on mounting
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 - BAB2040HI
Feature: Thermal-magnetic protection provides reliable fault clearing with predictable trip behavior, reducing arc flash exposure and safeguarding feeders in harsh industrial environments. Business impact: Enhanced equipment longevity and safety with consistent performance, enabling uptime in continuous operation facilities. Application: Three-phase distribution panels in manufacturing lines benefit from stable protection curves and easy coordination with upstream devices. Feature: 40 A amperage rating and 10 kAIC interrupt capability at 240 V. Business impact: Handles typical motor loads and process equipment while preserving power availability and minimizing nuisance trips. Application: Suitable for mid-range industrial feeders in process lines and packaging equipment where reliable protection is critical. Feature: Two-pole design with bolt-on mounting and versatile ring or spade lug terminals. Business impact: Faster installation, reduced field wiring complexity, and improved serviceability during retrofits. Application: OEM panel builds and retrofit projects where space is constrained and wiring layout matters. Feature: Quicklag industrial performance and compact footprint (2.563 in x 3 in x 2 in, 0.6 lb). Business impact: Space-saving protection in tight switchgear enclosures while maintaining ease of replacement and stocking with other BAB family devices. Application: Distribution panels in limited-area cabinets and control rooms. Feature: Certifications and compatibility (UL Listed, CSA Certified, HACR rated). Business impact: Compliance with electrical codes, safer HVAC integration, and simplified sourcing for maintenance and upgrades. Application: Industrial protection schemes across manufacturing and facility management environments.
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FAQs
BAB2040HI uses bolt-on mounting and accepts ring or spade lug terminals, supporting a four-wire setup for three-phase 240 V service. This simplifies retrofits and OEM panel builds by eliminating messy add-on brackets and ensuring a secure, vibration-resistant connection in industrial environments.
The device is rated for 40 A with a 10 kAIC interrupt capacity at 240 V in a two-pole, three-phase configuration. The trip type is T196, and it is HACR rated, making it suitable for HVAC and general equipment protection within distribution panels.
Yes. The BAB2040HI is HACR rated, UL Listed, and CSA Certified, providing compliance for HVAC applications and overall electrical safety in industrial panel systems.
Designed for distribution panels at 240 V three-phase with four-wire maximum, it is ideal for manufacturing lines, process facilities, and other industrial environments requiring reliable protection and straightforward installation with bolt-on mounting.
The BAB2040HI carries a 1-year warranty and is part of Eaton’s compatible protection family, which supports streamlined replacement, stocking, and maintenance planning for uptime and total cost of ownership improvements.