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INS NYL FEM-250 DISC 22-18 LEN 0.91
Manufacturer Resources
Product Specs
- Country Of Origin:
- United States (US)
- Insulation Material:
- Nylon/Polyamide
- Product Subgroup:
- Disconnects
- Product Type:
- Nylon Insulated Female Disconnect
- Standards:
- UL E66716
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Red
- Product Material:
- Brass
Sta-Kon RA250TB – Frequently Asked Questions
1) What wire size does the Sta-Kon RA250TB female disconnect crimp onto?
The RA250TB takes 22-18 AWG stranded wire, which is why the insulation sleeve is red. Red is the standard color code for the 22-18 AWG range across insulated terminals, so if you have a mixed bag of terminals on the truck, red is the one for small control and thermostat wiring. Anything 16 AWG or larger needs a different (blue or yellow) terminal.
2) Is the nylon insulation on this disconnect better than vinyl for HVAC and control panel work?
The RA250TB uses a nylon/polyamide sleeve rather than vinyl. Nylon is tougher against abrasion and holds its shape better when terminals are pushed onto tabs repeatedly or pulled through a tight panel, so it is the usual choice for equipment and control wiring where the terminal gets handled. The barrel underneath is brass.
3) Do I need a special crimper for the RA250TB disconnect?
It is a crimp-on terminal, not a screw or solder connection, so it needs an insulated-terminal crimp tool set for the 22-18 AWG range. Pliers will not give a reliable crimp on a brass barrel this small, and a loose crimp on a .250 disconnect is the usual cause of a hot, intermittent connection on a relay tab.
4) What part number do I order to match existing red .250 female disconnects in my panel?
Order Sta-Kon RA250TB. That is the manufacturer part number for the red nylon insulated 22-18 AWG .250 female disconnect, made in the United States. Ordering by that number keeps the panel standardized on one terminal and one crimp die.
5) How long is the Sta-Kon RA250TB terminal overall?
Overall length is 0.91 inch. Worth checking if you are terminating inside a crowded junction box or a shallow equipment cover where the finished terminal plus wire bend has to clear the lid.
How fast can I get the Sta-Kon RA250TB delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
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 RA250TB come with a warranty?
Absolutely. The Sta-Kon RA250TB 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 RA250TB?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Sta-Kon RA250TB from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.