Part of the CHB series, the Eaton CHB2110 is a 2-pole, 110A miniature circuit breaker designed for commercial and industrial applications. It delivers reliable thermal-magnetic protection for branch circuits. This bolt-on breaker installs into Cutler-Hammer Type PB and PH panelboards, as well as compatible meter panels. It accepts 4-1/0 AWG copper or aluminum wire via box lug terminals.
Cutler-Hammer Type PB Panelboards, Type PH Panelboards, Meter Panels
Wire Gauge
4-1/0 AWG
Max Wire
1/0 AWG
Min Wire
4 AWG
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed
Standards and features
Available Options
Handle Lock
Standards
CSA C22.2 No. 5, Federal Specification W-P-131a, UL 489
Approval
CSA, UL
Temp Rating
40C
Construction Features
HACR Rated, Common Trip
Product FAQs
7 answers
Which panelboards are compatible with the CHB2110 circuit breaker?
This bolt-on breaker is designed specifically for use in older Cutler-Hammer Type PB and Type PH panelboards, as well as compatible meter panels.
Can I use a BAB series breaker instead of the CHB2110 in my PB panelboard?
No. While both are bolt-on breakers, they are designed for different panelboard types. You must use a CHB series breaker for Type PB and PH panelboards to ensure proper fit and UL compliance.
Is the Cutler-Hammer CHB2110 an obsolete circuit breaker?
No. Eaton continues to manufacture CHB series breakers as direct replacement parts for legacy Cutler-Hammer Type PB and PH distribution panels.
What type of wire material is approved for the box lugs on this breaker?
The box lug terminals on the CHB2110 are rated to accept both copper and aluminum conductors within the 4 to 1/0 AWG size range.
What does the LI trip function code mean on this breaker?
The LI code indicates that the breaker provides Long-Time and Instantaneous trip functions. This is a standard thermal-magnetic mechanism where the long-time function protects against overloads and the instantaneous function protects against short circuits.
How does the CHB2110 connect to the panelboard bus?
This is a bolt-on circuit breaker. It requires a mechanical bolted connection to the panelboard bus bars, which provides a secure electrical connection for commercial and industrial applications.
Will this breaker fit in a standard Eaton BR or CH residential load center?
No. The CHB2110 is a bolt-on breaker intended for commercial distribution panelboards like the Type PB. It will not fit in plug-on residential load centers such as the BR or CH series.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 4 reviews.