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Eaton / Cutler-Hammer HFB3020 Molded Case Circuit Breaker

  • 20A
  • 3 Pole
  • Bolt-On
Eaton / Cutler-Hammer HFB3020
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU HFB3020
Select Item Condition
Earn 302 SuperPoints
  • 20A
  • 3 Pole
  • Bolt-On

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Cutler-Hammer / Westinghouse HFB3020 3 Pole Circuit Breaker

Eaton / Cutler-Hammer HFB3020 - 20A 3 Pole Molded Case Circuit Breaker

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$302.00 In Stock

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Description

Part of the Mark 75 family, the Eaton HFB3020 is a 3-pole, 20A molded case circuit breaker for commercial applications. This F-Frame device provides reliable long-time and instantaneous (LI) trip functions. The bolt-on MCCB installs into Eaton Pow-R-Line C panelboards and legacy Westinghouse switchboards. It is replaced by the newer HFD3020 model. With a high interrupting capacity of 65kA at 240V and 25kA at 480V, it handles significant fault currents. The unit is HACR rated.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number HFB3020-R
Series HFB
Amperage 20A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Eaton Pow-R-Line C Panelboards, Westinghouse Panelboards, Switchboards
Wire Gauge 14-1/0 AWG (Cu/Al)
Max Wire 1/0 AWG
Min Wire 14 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 Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories Load Side Lugs
Standards NEMA AB-1, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features High Interrupting Capacity, HACR Rated

Product FAQs

4 answers
Which panelboards are compatible with the HFB3020 circuit breaker?

This bolt-on F-frame breaker is designed for installation in Eaton Pow-R-Line C panelboards, legacy Westinghouse panelboards, and compatible switchboards.

Is the Eaton HFB3020 a direct replacement for older Westinghouse HFB3020 breakers?

Yes. Eaton acquired the Westinghouse electrical distribution division. The current Eaton and Cutler-Hammer HFB3020 models are direct replacements for legacy Westinghouse HFB3020 circuit breakers.

What does the Mark 75 designation indicate on this breaker?

Mark 75 is a legacy Westinghouse family classification for high-interrupting capacity circuit breakers. The HFB3020 carries this designation, delivering a 65kA interrupting rating at 240VAC and 25kA at 480VAC.

Can the HFB3020 be used in reverse feed applications?

Yes. Eaton F-frame thermal-magnetic circuit breakers are suitable for reverse feed applications. When back-feeding a panel, ensure you use the appropriate retaining bracket as required by the National Electrical Code.

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