Built for commercial and industrial applications, the CHB245 provides reliable thermal-magnetic overcurrent protection. This 45-amp, two-pole miniature breaker is part of Eaton's trusted CHB series, delivering consistent performance for branch circuit applications. Mounts into Cutler-Hammer Type PB and PH panelboards, as well as compatible meter panels and multi-metering modules. The bolt-on design ensures a secure connection. Rated at 10 kAIC at 120/240VAC, it includes fixed trip settings.
Type PB Panelboards, Type PH Panelboards, Meter Panels, Multi-Metering Modules
Wire Gauge
8-4 AWG (Cu/Al)
Max Wire
4 AWG
Min Wire
8 AWG
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed Thermal, Fixed Magnetic
Standards and features
Available Options
Padlock Attachment
Standards
CSA C22.2 No. 5, Federal Specification W-C-375b, UL 489
Approval
CSA, UL
Temp Rating
60C to 75C
Construction Features
HACR Rated, Common Trip
Product FAQs
5 answers
What panelboards are compatible with the Eaton CHB245 circuit breaker?
The CHB245 is a bolt-on breaker designed specifically for use in Cutler-Hammer Type PB and PH panelboards, as well as compatible meter panels and multi-metering modules.
Can I install the CHB245 in a standard Eaton CH residential loadcenter?
No. Standard Eaton CH loadcenters require plug-on breakers. The CHB245 features a bolt-on connection designed exclusively for commercial PB and PH series panelboards.
Are Eaton CHB and BAB circuit breakers interchangeable?
No. While both are commercial bolt-on breakers, they have different physical dimensions and mounting configurations. CHB breakers are 3/4-inch wide per pole and fit PB or PH panels, whereas BAB breakers are 1-inch wide per pole and fit different panel types.
Is the Eaton CHB245 breaker HACR rated?
Yes, the CHB245 is fully HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration equipment circuits.
How does the CHB245 connect to the panel busbar?
The CHB245 utilizes a bolt-on connection, providing a highly secure mechanical and electrical connection to the busbar in compatible PB and PH panelboards.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 4 reviews.