Eaton HFD3100 | 100A 3-Pole Series C F-Frame Molded Case Circuit Breaker

Main Description:

The Eaton HFD3100 is a Series C F-frame molded case circuit breaker engineered for dependable protection in industrial and commercial electrical systems. Rated at 100 amps and configured as a complete HFD model, it features fixed thermal and fixed magnetic trip elements for consistent overload and fault response. Designed for load-side applications, the HFD3100 supports system voltages up to 600 VAC and 250 VDC, operating at standard frequencies of 50/60 Hz. Its molded case construction and high interrupting rating ensure reliable performance and long-term durability in demanding environments.

Technical Overview:

• Manufacturer: Eaton

• Brand: Cutler-Hammer

• Part Number: HFD3100

• Category: Circuit Breaker

• Subcategory: Molded Case Circuit Breaker – Series C

• Condition: New/Never Used Surplus

• Type: HFD

• Frame Type: F-Frame

• Poles: 3

• Amperage Rating: 100 Amps

• Voltage Rating (AC): 600 VAC

• Voltage Rating (DC): 250 VDC

• Frequency: 50/60 Hz

• Trip Type: Fixed Thermal / Fixed Magnetic

• Interrupting Rating: 65 kAIC @ 480 VAC

• Connection Type: Load Side

• Construction: Molded Case

• Application: Industrial and Commercial Electrical Distribution

• Series: Eaton Series C

Key Features:

• Fixed thermal-magnetic trip for reliable overload and fault protection

• Rated for up to 600 VAC and 250 VDC systems

• High interrupting rating of 65 kAIC at 480 VAC

• F-Frame molded case construction for durability and long service life

• Designed for load-side multi-phase industrial and commercial applications