Eaton CL150 3/4" Thermal Magnetic Circuit Breaker - UL 489
Part Number: CL150
Quick Summary
The Eaton CL150 thermal magnetic circuit breaker protects electrical circuits in CH load centers, delivering reliable overcurrent protection for residential and light-commercial panels. Users often struggle with finding classified replacements that fit space and wiring layouts; CL150 is designed as a one-inch classified replacement to streamline stocking and installation. UL 489 certification ensures safety and performance, while the device supports 120/240 V operation and a 50 A rating for common branch circuits. Classified for use with CH Loadcenters and compatible with legacy panels, it offers a straightforward path to compliance and reduced downtime. Designed for flexible service, it supports scalable protection for growing facilities and simplifies spare-part planning.
Product Information
Extended Description
CL150 Eaton: Eaton Classified 3/4" thermal magnetic circuit breaker,Type CL 1-Inch classified replacement breaker,50 A,10 kAIC,Single-pole,120/240V,CL,#14-4 AWG Cu/Al,CL,Type CH Loadcenters
Product Name
Eaton Classified 3/4" thermal magnetic circuit breaker
Catalog Number
CL150
UPC
786676011617
Product Length/Depth
3 in
Product Height
3 in
Product Width
1 in
Product Weight
0.3 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 1-inch (25.4 mm) space.
Used with
Type CH Loadcenters
Type
Type CL 1-Inch classified replacement breaker
Amperage Rating
50 A
Voltage rating
120/240 V
Circuit breaker type
CH
Interrupt rating
10 kAIC
Main circuit breaker
CL
Wire size
#14-4 AWG Cu/Al
Number of poles
Single-pole
Standard circuit breaker catalog numbers - 5651B63SH09
Residential and Light Commercial, Load centers and Circuit Breakers, Volume 1 Tab 1
Eaton Specification Sheet - CL150
Feature → Business Impact → Application: The CL150 provides a 50 A amperage rating, enabling safe protection for typical feeder circuits in residential and light-commercial panels, reducing the risk of nuisance trips and equipment damage. This translates to improved uptime and safer operation across CH Loadcenters and similar installations. Application-wise, it fits Type CH Loadcenters and functions as a classified replacement for legacy breakers, streamlining retrofit projects and minimizing panel downtime.Feature → Business Impact → Application: With a 10 kAIC interrupt rating, this breaker delivers higher fault-current handling, enhancing protection in scenarios with brief surges or short circuits. The outcome is lower risk of component damage and improved system reliability in both new builds and upgrades.Feature → Business Impact → Application: Classified as a replacement for Square D Homeline, GE THQ, and other legacy breakers, the CL150 reduces spare-part complexity and inventory costs. It requires only a 1-inch space, easing panel layout and ensuring compatibility with existing enclosures in CH Loadcenters.Feature → Business Impact → Application: Its physical footprint—3 in length by 3 in height and 1 in width, weighing 0.3 lb—facilitates easy installation and minimal panel crowding. This compact form factor supports quick swaps during maintenance without disturbing neighboring devices in crowded control panels.Feature → Business Impact → Application: UL 489 certification guarantees compliance with safety and performance standards, giving engineers confidence in conformity and traceability. This reduces risk during audits and accelerates project approvals in residential and light-commercial deployments.Feature → Business Impact → Application: The CL150’s compatibility with Type CH Loadcenters and its classified replacement status help standardize protection across sites, enabling streamlined procurement, consistent protection schemes, and improved lifecycle management for electrical distribution systems.
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FAQs
The CL150 is designed as a classified replacement for CH Loadcenters, fitting standard 1-inch spaces and preserving wiring configurations. Its single-pole, 50 A rating and 120/240 V operation support typical branch-circuit protection while enabling straightforward swaps during panel maintenance and upgrades.
CL150 offers a 50 A amperage rating, 120/240 V voltage rating, single-pole configuration, and a 10 kAIC interrupt rating. It is UL 489 certified and intended for use as a classified replacement in CH Loadcenters, with a compact 3x3x1 in footprint and light 0.3 lb weight.
Yes. CL150 is cataloged as a classified replacement for multiple legacy breakers, including Square D Homeline and GE THQ. It requires only the standard CH Loadcenter space and aligns with typical wire sizes like #14-4 AWG Cu/Al, reducing stocking diversity and speeding maintenance.
The CL150 carries UL 489 certification, reflecting compliance with safety and performance standards for low-voltage circuit breakers. This certification supports regulatory acceptance, insurance requirements, and confidence during commissioning of residential and light-commercial electrical distribution.
Using CL150 standardizes classified replacements across sites, reducing spare-part variety and inventory costs. Its reliable 50 A protection and 10 kAIC interrupt rating decrease downtime risk, while easy installation shortens maintenance windows and improves overall distribution reliability.