Eaton BAB2040 Thermal Magnetic Circuit Breaker - HACR
Part Number: BAB2040
Quick Summary
The Eaton BAB2040 thermal magnetic circuit breaker protects industrial electrical systems with reliable, fast-acting protection. For engineers and procurement teams, downtime and mis-specification are costly—this unit aligns with standard panel designs and safety requirements. UL Listed, CSA Certified, and HACR rated, it meets essential electrical-code standards while offering predictable performance in harsh environments. Its bolt-on mounting, two-pole configuration, and 40 A rating support efficient protection across 120/240 V circuits. By combining robust protection with ease of installation, it helps drive compliance, reduce warranty headaches, and streamline stocking in industrial automation and electrical contracting.
Product Information
Extended Description
BAB2040 Eaton: Eaton BAB thermal magnetic circuit breaker,Quicklag industrial thermal-magnetic circuit breaker,Bolt-on mounting, High intensity discharge,40 A,10 kAIC,Two-pole,120/240 V,Non-Interchangeable,Q7,BAB
Product Name
Eaton BAB thermal magnetic circuit breaker
Catalog Number
BAB2040
UPC
786679302408
Product Length/Depth
3.1 in
Product Height
2.9 in
Product Width
2 in
Product Weight
0.6 lb
Warranty
1 year
Certifications
UL Listed CSA Certified
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
40 A
Interrupt rating
10 kAIC
Trip Type
Non-Interchangeable
Voltage rating
120/240 V
Quantity
7
Special features
Bolt-on mounting
Feature: Thermal-magnetic protection with Quicklag response. Business Impact: Rapid fault interruption reduces electrical stress and limits arc energy, protecting downstream equipment and shortening downtime. Application: Ideal for motor control centers, presses, and machine panels in factory automation environments. Feature: 40 A amperage rating with 10 kAIC interrupt capacity. Business Impact: Handles normal loads with high-energy fault events, minimizing nuisance trips and panel damage. Application: Protective device for branch circuits in production lines and packaging lines. Feature: Bolt-On mounting and two-pole design. Business Impact: Simplifies field installation and ensures secure panel integration, reducing commissioning time. Application: Standard industrial control panels, motor starter assemblies, and equipment racks. Feature: Voltage rating of 120/240 V. Business Impact: Compatible with common industrial power architectures, reducing wiring complexity and inventory variety. Application: Wiring in multi-volt control panels and machinery feeders. Feature: HACR rating with UL Listed and CSA Certified. Business Impact: Supports compliance with HVAC, refrigeration, and general electrical codes, easing audits and procurement approvals. Application: HVAC control panels, refrigeration units, gear-driven machines, and general protection in industrial facilities. Feature: Compact footprint and light weight (3.1 in L, 2.0 in W, 2.9 in H; 0.6 lb). Business Impact: Maximizes panel density and simplifies replacement in crowded electrical cabinets. Application: Retrofit projects and new panel builds in space-constrained environments. Feature: 1-year warranty and standards alignment. Business Impact: Provides predictable support and lowers lifecycle risk, contributing to lower total cost of ownership. Application: Asset management programs and ongoing maintenance planning for manufacturing operations.
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FAQs
The BAB2040 uses a bolt-on mounting method and is a two-pole device designed for standard industrial panels. Begin by confirming 120/240 V availability and the panel’s space. Secure the breaker with appropriate hardware, connect the line and load conductors per the system diagram, and verify tight torque on all terminations before energizing.
Key specs include amperage rating of 40 A, interrupt rating of 10 kAIC, voltage rating 120/240 V, two-pole configuration, bolt-on mounting, and Quicklag thermal-magnetic operation. Certifications include UL Listed and CSA Certified, with HACR rating for HVAC/refrigeration circuits.
Yes. The BAB2040 is rated for 120/240 V AC and provides robust protection for motor control circuits in factory automation. Its 10 kAIC interrupt capacity supports reliable interruption during faults, while its Quicklag mechanism helps prevent nuisance trips during normal startup surges.
This device is UL Listed and CSA Certified, with HACR rating for HVAC and refrigeration circuits. These certifications help satisfy safety and regulatory requirements in many regions, reducing supplier qualification time and easing electrical code audits.
The BAB2040 carries a 1-year warranty and is designed for long-term reliability in industrial environments. This support reduces maintenance risk, lowers unexpected replacement costs, and simplifies lifecycle budgeting for spare parts and panel refurbishment projects.