Eaton CHF245ST Thermal Magnetic Circuit Breaker - UL 489
Part Number: CHF245ST
Quick Summary
The Eaton CHF245ST thermal magnetic circuit breaker provides trusted 45 A protection for CH loadcenters in 120/240 V distribution. Engineers often wrestle with selecting a plug-on breaker that fits both the panel footprint and the wiring gauge while meeting fast-trip and troubleshooting needs. This unit carries UL Listed 489 and HACR rating, along with a limited lifetime warranty, giving reliable performance in commercial and light industrial panels. By pairing with Type CH Loadcenters and a shunt-trip option, it supports modular, scalable protection with straightforward installation and predictable device coordination, reducing commissioning time and improving overall electrical safety and uptime.
Product Information
Extended Description
CHF245ST Eaton: Eaton CH thermal magnetic circuit breaker,Type CHF plug-on circuit breaker,45 A,10 kAIC,Two-pole,120/240V,CHF,Trip flag, common breaker trip,#14-2 AWG Cu/Al,CHF,Type CH Loadcenters,Shunt trip included
Product Name
Eaton CH thermal magnetic circuit breaker
Catalog Number
CHF245ST
UPC
786685708416
Product Length/Depth
3.563 in
Product Height
6 in
Product Width
3.5 in
Product Weight
0.75 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
Shunt trip
Included
Mounting Method
Plug-on
Interrupt rating
10 kAIC
Main circuit breaker
CHF
Wire size
#14-2 AWG Cu/Al
Number of poles
Two-pole
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - CHF245ST
Eaton type CH circuit breaker limited warranty June 2024
Feature 45 A rating and 10 kAIC interrupt capacity provides robust fault protection for 120/240 V circuits, translating to fewer nuisance trips and safer operation in CH Loadcenter environments. Business Impact With strong protection, maintenance intervals extend, outage duration decreases, and system reliability improves across residential and light commercial installations. Application Ideal for Type CHF plug-on breakers in CH Loadcenters, enabling quick upgrades without panel rewiring. Feature Two-pole, plug-on mounting simplifies retrofits and minimizes field wiring, accelerating installation timelines. Business Impact Faster commissioning and reduced labor costs, while retaining industry-standard safety and coordination with adjacent devices. Application Suitable for feeders and branch circuits in electrical rooms and service panels requiring reliable remote trip capability via the included shunt trip. Feature HACR rated and UL Listed 489 certification ensures compliance for HVAC, lighting, and general power circuits, supporting safer, code-compliant installations. Business Impact Improves regulatory compliance and mitigates risk in commercial spaces, with a limited lifetime warranty offering long-term cost efficiency. Application Compatible with Type CH Loadcenters and CHF family devices, delivering consistent performance and ease of maintenance for ongoing operations.
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FAQs
The CHF245ST is a two-pole CHF plug-on circuit breaker designed specifically for Type CH Loadcenters. It uses plug-on mounting, simplifying retrofits and panel upgrades. It supports #14-2 AWG Cu/Al wire and includes a shunt trip option for remote control, enabling faster safety responses and reducing field wiring complexity.
CHF245ST is rated 45 A with a 120/240 V voltage rating and a 10 kAIC interrupt rating. It features a trip flag and is HACR rated for HVAC-related loads, enhancing safety for motors and control circuits. It is UL Listed to UL 489 and designed for reliability in residential and light commercial panels.
Yes, the CHF245ST targets both residential and light commercial distribution. Its two-pole CHF plug-on design, 45 A rating, and 120/240 V operation fit common home panels and small business disconnects. High interrupt rating and included shunt trip support safe remote control, while Type CH Loadcenters compatibility ensures straightforward upgrades without panel modification.
CHF245ST carries UL Listed 489 and HACR rating, signaling compliance with safety and performance standards for general purpose and HVAC-related loads. It also features a shunt-trip option for remote shutdown and comes with a limited lifetime warranty, supporting reduced maintenance costs and predictable long-term performance.
This breaker requires minimal ongoing maintenance beyond periodic connection checks. Its robust thermal magnetic design and 10 kAIC interrupt rating reduce nuisance trips and downtime. The inclusion of a shunt trip enables remote safety control, improving process uptime and lowering service costs in buildings and light industrial facilities.