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Eaton HFB3020 Molded Case Circuit Breaker, 20A, 3-Pole, 600V, Mark 75 F-Frame
Mfr #: HFB3020BB #: eaton-hfb3020-eaton-hfb3020-molded-case-circuit-breaker-20a-3-pole
Last verified Oct 2, 2026 — price check expired
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🗎 Product description from the manufacturer spec sheet
The Eaton HFB3020 is a Mark 75 F-frame molded case circuit breaker originally produced under the Westinghouse and Cutler-Hammer names. It is a 3-pole, 20A breaker rated 600VAC / 250VDC with fixed thermal and fixed magnetic (LI) trip, bolt-on mounting and HACR rating, with interrupting capacity of 65kA at 240V and 25kA at 480V. It installs in Eaton Pow-R-Line C panelboards and legacy Westinghouse switchboards; the current successor model is the HFD3020.
▦ Specifications spec-checked before it ships
Trip
- Trip Type
- Thermal Magnetic, LI (Long-Time, Instantaneous)
- Trip Adjustability
- Fixed Thermal, Fixed Magnetic
More specifications
- Series
- Mark 75 HFB
- Frame
- F-Frame
- Amperage Rating
- 20 A
- Number of Poles
- 3
- Voltage Rating
- 600 Vac, 250 Vdc
- Interrupt Rating
- 65kA at 240V, 25kA at 480V, 18kA at 600V
- Mounting
- Bolt-On
- Wire Gauge
- 14-1/0 AWG (Cu/Al)
- Standards
- UL 489, NEMA AB-1
- HACR Rated
- Yes
- Successor Model
- HFD3020
⌗ Cross-references every known SKU, MFR & MPN
MPNHFB3020