Eaton CHF145 Type CHF Plug-On Circuit Breaker - UL 489
Part Number: CHF145
Quick Summary
CHF145 is a thermal magnetic circuit breaker protecting 120/240 V branch circuits in Type CH Loadcenters. Engineers often contend with nuisance trips, complex wiring, and slow panel upgrades during distribution renovations. This unit is UL Listed 489 and HACR rated, delivering compliant protection for motor loads and shared circuits. With a compact plug-on design and 45 A rating, it simplifies installs, reduces field labor, and supports reliable protection in industrial and commercial distribution. Its plug-on mounting aids quick replacement in tight meter rooms, while the 10 kAIC interrupt rating backs critical feeders. This combination supports faster compliance audits and lower lifecycle costs.
Product Information
Extended Description
CHF145 Eaton: Eaton CH thermal magnetic circuit breaker,Type CHF plug-on circuit breaker,45 A,10 kAIC,Single-pole,120/240V,CHF,Trip flag, common breaker trip,#14-2 AWG Cu/Al,CHF,Type CH Loadcenters
Product Name
Eaton CH thermal magnetic circuit breaker
Catalog Number
CHF145
UPC
786685545608
Product Length/Depth
3 in
Product Height
3 in
Product Width
0.75 in
Product Weight
0.28 lb
Warranty
Limited lifetime
Compliances
HACR Rated
Certifications
UL Listed UL 489
Used with
Type CH Loadcenters
Type
Type CHF plug-on circuit breaker
Amperage Rating
45 A
Voltage rating
120/240 V
Trip Type
Trip flag
Circuit breaker type
CHF
Mounting Method
Plug-on
Interrupt rating
10 kAIC
Main circuit breaker
CHF
Wire size
#14-2 AWG Cu/Al
Number of poles
Single-pole
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - CHF145
Eaton type CH circuit breaker limited warranty June 2024
Feature 1: 45 A amperage rating with a 10 kAIC interrupt rating provides robust fault protection for critical feeders. Business Impact: minimizes equipment damage, reduces downtime, and lowers repair costs. Application: protects 120/240 V branch circuits in Type CH Loadcenters, delivering consistent performance under fault conditions. Feature 2: Type CHF plug-on circuit breaker design enables fast installation and straightforward field replacement. Business Impact: decreases commissioning time and labor costs, improving project schedules. Application: ideal for CH Loadcenters where space is constrained and quick swaps are beneficial. Feature 3: Compact footprint—3 in length, 0.75 in width, and weight of 0.28 lb—facilitating easier panel routing and handling. Business Impact: enables higher panel density and safer handling during maintenance. Application: suitable for residential and light commercial distribution where space is at a premium. Feature 4: UL Listed UL 489 and HACR rated protections ensure compliance with safety standards. Business Impact: simplifies regulatory approvals and enhances reliability for motor loads. Application: recommended for motor-driven loads and mixed circuits in CH distribution. Feature 5: Wire compatibility with #14-2 AWG Cu/Al and single-pole operation supports straightforward wiring schemes. Business Impact: reduces wiring errors, speeds up installation, and improves overall system integrity. Application: aligns with common CH Loadcenter wiring practices and service kits.
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FAQs
Install the CHF145 as a plug-on breaker in a compatible Type CH Loadcenter. Ensure the bus is accessible, connect wires to #14-2 AWG Cu/Al as specified, and seat the breaker firmly. Verify the single-pole alignment and confirm the trip flag is visible when testing. This design minimizes installation time and reduces room for wiring errors during replacement.
CHF145 provides a 45 A amperage rating with a 10 kAIC interrupt capacity, operates at 120/240 V, and is a single-pole Type CHF plug-on breaker. It is UL Listed to UL 489 and HACR rated, with wire compatibility for #14-2 AWG Cu/Al. These specs ensure reliable protection for branch circuits and motor loads.
Yes, the CHF145 is designed for Type CH Loadcenters and uses a plug-on mounting method that works with the CHF/CH family. It supports common trip arrangements within compatible CH Loadcenter assemblies, simplifying replacement and maintenance while maintaining system protection integrity.
The CHF145 is UL Listed under UL 489 and HACR rated. This combination validates safety and suitability for motor loads and general distribution. A limited lifetime warranty enhances confidence in long-term reliability for industrial and commercial installations.
Using the CHF145 can shorten installation times thanks to plug-on mounting, reduce field labor and commissioning costs, and lower downtime during panel upgrades. Its durable protection and motor-load suitability support fewer faults and smoother maintenance cycles, delivering measurable lifecycle cost savings over time.