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Description
Eaton HFD3125 125A 3-Pole 600V Series C Molded Case Circuit Breaker Thermal Magnetic 65kA@480VProduct Description The Eaton HFD3125 is a 125 Amp, 3 Pole Series C molded case circuit breaker designed for commercial and industrial power distribution systems. This HFD frame breaker features a thermal magnetic trip unit and high interrupting capacity, providing reliable overload and short circuit protection for demanding applications including switchboards, panelboards, and OEM equipment. Key Features Catalog Number: HFD3125 Manufacturer: Eaton
Product Description
The Eaton HFD3125 is a 125 Amp, 3-Pole Series C molded case circuit breaker designed for commercial and industrial power distribution systems. This HFD-frame breaker features a thermal magnetic trip unit and high interrupting capacity, providing reliable overload and short-circuit protection for demanding applications including switchboards, panelboards, and OEM equipment.
Key Features
- Catalog Number: HFD3125
- Manufacturer: Eaton / Cutler-Hammer
- Amperage: 125 Amp
- Poles: 3-Pole
- Voltage Rating: 600VAC
- Series C HFD Frame Breaker
- Thermal Magnetic Trip Unit
- Current Limiting Design
- Fixed Thermal / Fixed Magnetic Trip
- Feed-Through Configuration
- Line and Load Lugs Included
- UL Listed
- CSA Certified
Interrupting Ratings (KAIC)
- 100kA @ 240VAC
- 65kA @ 480VAC
- 25kA @ 600VAC
Technical Specifications
- Manufacturer: Eaton
- Catalog Number: HFD3125
- Series: Series C
- Frame Size: F-Frame
- Breaker Type: HFD
- Amperage: 125A
- Poles: 3
- Voltage Rating: 600VAC
- Frequency: 50/60 Hz
- Trip Unit: Thermal Magnetic
- Trip Functions:
- Long-Time Protection
- Instantaneous Protection
- Mounting Style: Feed-Through
- Connection Type: Line and Load Lugs
- Certifications:
- UL Listed
- CSA Certified
Product Data
- Brand: Eaton
- Manufacturer: Eaton Corporation
- Model: HFD3125
- Series: Series C
- Type: Molded Case Circuit Breaker
- Frame: F-Frame
- Protection Type: Thermal Magnetic
- Mounting: Feed-Through
- Connection: Line and Load Lugs
- Condition: New / Reconditioned
- Phase: 3 Phase
- Rated Current: 125A
- Rated Voltage: 600VAC
- UPC: 786679161586
- GTIN: 00786679161586
- Dimensions:
- Height: 6.00 in
- Width: 4.13 in
- Depth: 3.38 in
- Weight: Approximately 4.5 lbs
- Country of Manufacture: Varies by Production Run
Compatible Equipment
- Eaton Series C Panelboards
- Eaton Switchboards
- Eaton Distribution Equipment
- OEM Power Distribution Assemblies Utilizing F-Frame Breakers
Applications
- Commercial Buildings
- Industrial Facilities
- Manufacturing Equipment
- Power Distribution Systems
- Motor Protection Applications
- OEM Electrical Equipment
Replacement Information
- Eaton Series C HFD Frame Circuit Breaker
- Direct replacement should match catalog number HFD3125
- Thermal Magnetic Fixed Trip Configuration
- Feed-Through Line and Load Terminal Design
Note: The HFD3125 is the high-interrupting version of Eaton's F-Frame Series C breaker and is commonly specified where 65kA @ 480VAC fault current ratings are required.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1197 reviews
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Product Reviews
★★★★★ 5
Great product
Size: 36 sqft
Easy to apply, made a big difference in sound deadening on side by side. Would definitely purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
AS GOOD AS ANY OTHER, WORKS GREAT
Size: 36 sqft, Size: 36 sqft
Used this in my 17 RAM 1500. This stuff works great, just as good as S...ss brand that is also sold on here. Same thickness and same tackiness. And this stuff sticks like crazy, once its laid down and rolled onto the surface, it is hard to remove, so I am pretty sure it will stay where I installed it. It is great value, one box was enough to do the whole roof of the truck with a little left over for small spots. I think it took a total of 2.5 boxes to do my whole crew cab, roof, floor and back wall and most of the firewall, and I also added a layer of their .25" foam. I do notice a difference in less outside noise, from wind and road. I will be doing my wife car soon, and this is the product I will be using again, I recommend this.
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Dyna... who?
Size: 36 sqft
This stuff works great. Fraction of the cost to Dyna.. and just as good. Very sticky. Used in doors, floors and ceiling. Great product and performs flawlessly. I would highly recommend this.
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Reviewed in the United States on March 13, 2026
★★★★★ 4
Awesome, inexpensive alternative to name-brands!
Size: 36 sqft
Awesome. Stuck well with alcohol prep and time to let liquid flash-off. Very consistent, piece to piece. Backing peeled easily when desired. Compared to Amazon Basics, the butyl seemed a little thicker (infinitesimally) and stickier, foil was less thick than Amazon Basics. Very good value. Started with my nice car, but after completing project, sound dampened all cars in the immediate family it made such a noticeable difference in sound level and quality of music from soeakers. Recommended!
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Reviewed in the United States on October 21, 2025
★★★★★ 5
Easy to use
Size: 36 sqft, Size: 36 sqft
Very good and easy to use, made my 88 Chevy feel better
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
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