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INS PP FERRULE 4, 25 MM2, LG 1.378
Manufacturer Resources
Product Specs
- Country Of Origin:
- Germany (DE)
- Product Subgroup:
- Ferrules
- Product Type:
- Polypropylene Insulated Ferrule
- Standards:
- UL E489056
- Wire Size:
- 4 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Yellow
- Product Material:
- Copper
Sta-Kon F2049 – Frequently Asked Questions
1) What wire size does the Sta-Kon F2049 ferrule take?
The F2049 wire ferrule is sized for 4 AWG conductor, which is the 25 mm2 metric equivalent called out in the part description. Strip length to suit the 1.378 inch barrel length given for the part. If your conductor is 6 AWG or 2 AWG, this is the wrong ferrule, you need the matching size in the same insulated series.
2) What is the barrel made of on the Sta-Kon F2049 ferrule, and will it work on aluminum wire?
The barrel is copper with a polypropylene insulating sleeve. Copper barrels are for copper stranded conductor only. For aluminum or copper-clad aluminum feeders you need a terminal rated AL/CU, not this ferrule.
3) Should I use an insulated ferrule like the F2049 or a bare one on 4 AWG control wiring?
The F2049 is the insulated type, with a polypropylene collar over the copper barrel. The collar guides the strands in during crimping and covers the transition from insulation to terminal, which is what you want on fine-stranded conductor landing in a terminal block or breaker lug inside a panel. Bare ferrules are the choice when the terminal itself fully shrouds the barrel, or when the entry hole is too small to accept the insulated collar. Measure your terminal entry before committing to the insulated version.
4) Do I need a special crimp tool for a 25 mm2 ferrule?
Yes. At 4 AWG / 25 mm2 the F2049 is past the range of the small hex dies used for control-panel ferrules, so you need a ferrule crimper whose die set covers 25 mm2. The crimp tool is not supplied with the ferrules, so order it separately if your kit tops out below that size.
5) Why is the F2049 ferrule yellow, and does the color mean anything?
Yellow is the insulation color on the F2049. On insulated ferrules the color is a size code, so the yellow sleeve is how an electrician picks the 4 AWG / 25 mm2 barrel out of a tray of mixed sizes during a panel build without measuring each one. It carries no voltage or polarity meaning.
6) Where is the Sta-Kon F2049 ferrule manufactured?
Germany. Country of origin is Germany (DE), which matters if you are filing origin documentation on a government or institutional project.
How fast can I get the Sta-Kon F2049 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Sta-Kon F2049 come with a warranty?
Absolutely. The Sta-Kon F2049 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Sta-Kon F2049?
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installation tips, and troubleshooting. Contact Us
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