Eaton CL245 Classified 3/4" Thermal Magnetic Circuit Breaker - UL 489
Part Number: CL245
Quick Summary
Eaton Classified 3/4" thermal magnetic circuit breaker protects branch circuits in CH Loadcenters and similar panel setups. Replacing legacy devices can be challenging when fit, trip characteristics, and downtime aren’t aligned with your panel layout. This CL245 is UL 489 listed and designed for reliable 120/240 V operation with a 10 kAIC interrupt rating, offering two-pole protection in a compact footprint. As a CH Loadcenter compatible classified replacement, it helps standardize protection across multiple panels while reducing stock variance. With its 45 A rating and verified compatibility with commonly used copper and aluminum conductors, it supports efficient maintenance programs and faster service turnarounds for industrial and commercial facilities.
Product Information
Extended Description
CL245 Eaton: Eaton Classified 3/4" thermal magnetic circuit breaker,Type CL 1-Inch classified replacement breaker,45 A,10 kAIC,Two-pole,120/240V,CL,Common breaker trip,#14-4 AWG Cu/Al,CL,Type CH Loadcenters
Product Name
Eaton Classified 3/4" thermal magnetic circuit breaker
Catalog Number
CL245
UPC
786676011686
Product Length/Depth
3 in
Product Height
3 in
Product Width
2 in
Product Weight
0.5 lb
Warranty
Limited lifetime residential, 1 year commercial
Certifications
UL 489
Catalog Notes
Replacement for Square D Homeline, GE Type THQ, Crouse-Hinds Type MP, Thomas and Betts Type TB, Murray Type MP, ITE/Siemens Type QP. Requires Two 1-inch (25.4 mm) spaces.
Used with
Type CH Loadcenters
Type
Type CL 1-Inch classified replacement breaker
Amperage Rating
45 A
Voltage rating
120/240 V
Trip Type
Common breaker trip
Circuit breaker type
CH
Interrupt rating
10 kAIC
Main circuit breaker
CL
Wire size
#14-4 AWG Cu/Al
Number of poles
Two-pole
Standard circuit breaker catalog numbers - 5651B63SH09
Residential and Light Commercial, Load centers and Circuit Breakers, Volume 1 Tab 1
Eaton Specification Sheet - CL245
Feature: Classified CL 1-Inch replacement breaker. Business Impact: Simplifies retrofits and minimizes field modifications, reducing installation time and labor costs. Application: Suitable for CH Loadcenters and other classifieds where space is constrained. Feature: 45 A amperage rating. Business Impact: Delivers appropriate overcurrent protection for typical panel circuits, improving safety margins and compliance. Application: Common branch circuit protection in light commercial environments. Feature: Two-pole, 120/240 V operation. Business Impact: Provides coordinated, multi-wire branch circuit protection with synchronized trip behavior, reducing nuisance trips. Application: Residential and small commercial power distribution. Feature: 10 kAIC interrupt rating. Business Impact: Enhances fault-current handling and system resilience, supporting safer startup/shutdown in higher-demand installations. Application: Industrial panels and higher fault-current environments. Feature: Replacement for multiple brands (Square D Homeline, GE THQ, etc.). Business Impact: Enables cross-brand retrofits without full panel rewiring or new loadcenters, lowering total cost of ownership. Application: Modernization projects and spare-part simplification. Feature: Wire size compatibility #14-4 AWG Cu/Al. Business Impact: Broad conductor compatibility reduces inventory constraints and expands install flexibility. Application: Terminal connections in CH Loadcenters and similar distribute circuits. Feature: UL 489 Certification. Business Impact: Confirms compliance with established electrical safety standards, easing procurement and inspection processes. Application: Nationwide installations requiring recognized safety certification. Feature: Warranty and service support. Business Impact: Provides a limited lifetime residential, 1 year commercial warranty, lowering long-term risk and facilitating maintenance planning. Application: Residential retrofits and light-commercial installations requiring reliable service.
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FAQs
The CL245 is a classified replacement breaker designed for Type CH Loadcenters, occupying two 1-inch spaces and supporting two-pole 120/240 V circuits. It accepts #14-4 AWG Cu/Al and is UL 489 listed, making it a drop-in retrofit for CH Loadcenter configurations.
Key specs include a 45 A amperage rating, 120/240 V voltage rating, two-pole configuration, 10 kAIC interrupt rating, and a Type CL classified replacement designation. This combination provides reliable protection with a common trip for multi-wire circuits.
Yes. The catalog notes indicate that the CL245 serves as a replacement for several brands, including Square D Homeline, GE THQ, and others, facilitating cross-brand retrofits in mixed-panel environments.
The CL245 accepts #14-4 AWG Cu/Al conductors, supporting standard branch wiring in CH Loadcenters and compatible panels, which helps simplify stocking and field termination.
The CL245 carries UL 489 certification, confirming safety compliance. It also offers a limited lifetime residential warranty and a 1-year commercial warranty, assisting with long-term reliability and service planning.