Eaton / Cutler-Hammer CHB3080 Miniature Circuit Breaker
- 80A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHB3080
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHB3080
Quantity
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Eaton / Cutler-Hammer CHB3080 - 80A 3 Pole Miniature Circuit Breaker
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Description
Built for commercial electrical systems, the Eaton CHB3080 is an 80A, 3-pole miniature circuit breaker. It provides dependable thermal-magnetic protection for branch circuits, ensuring safe operation. This unit installs into Cutler-Hammer Type PB and PH panelboards, along with select meter panels. The bolt-on mounting style ensures a secure connection, while box lugs accept 4-1/0 AWG wiring. Rated 10 kAIC at 240VAC, it features a common trip mechanism and is HACR rated.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | CHB |
| Amperage | 80A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | CHB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Type PB Panelboards, Type PH Panelboards, Meter Panels |
| Wire Gauge | 4-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment |
|---|---|
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 60C to 75C |
Product FAQs
6 answersWhich panelboards are compatible with the Eaton CHB3080?
This bolt-on circuit breaker is designed specifically for installation in Cutler-Hammer Type PB and Type PH panelboards, as well as compatible commercial meter panels.
What wire sizes are accepted by the terminals on the CHB3080?
The standard box lugs on this breaker accommodate copper or aluminum wiring ranging from 4 AWG to 1/0 AWG. Ensure you follow the panel manufacturer torque specifications during installation.
How does the CHB3080 mount into the panelboard?
It features a bolt-on mounting design. This provides a secure, vibration-resistant connection to the panelboard bus bar, which is often required in commercial and industrial environments.
What type of trip protection does the CHB3080 provide?
It uses a fixed thermal-magnetic trip unit. The thermal component provides long-time protection against gradual overloads, while the magnetic component offers instantaneous protection against short circuits.
Is the Eaton CHB3080 the same as a Cutler-Hammer CHB3080?
Yes. Eaton acquired Cutler-Hammer, so the Eaton CHB3080 is the direct, exact replacement for legacy Cutler-Hammer breakers with the same catalog number.
Can I install a CHB3080 in a standard residential load center?
No. The CHB series features a bolt-on connection designed for commercial Type PB and PH panelboards. Standard residential load centers typically require plug-on breakers like the standard CH series.
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