Sta-Kon RB2577FM INS NYL FEM-2...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$53.58
$5.06

Sta-Kon RB2577FM INS NYL FEM-250 DISC 16-14 MYLAR

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Model: RB2577FM
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$53.58
$5.06
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INS NYL FEM-250 DISC 16-14 MYLAR

Manufacturer Resources

Product Specs

Country Of Origin:
United States (US)
Insulation Material:
Nylon/Polyamide
Product Subgroup:
Disconnects
Product Type:
Nylon Insulated Open Top 90 Degree Flag Female Disconnect
Standards:
UL E66716
Department:
Electrical
Product Group:
Wire Termination
Product Color:
Blue
Product Material:
Brass

Sta-Kon RB2577FM – Frequently Asked Questions

1) What wire size does the Sta-Kon RB2577FM female disconnect take?
The RB2577FM is sized for 16-14 AWG stranded wire, which is what the blue nylon insulation color signals on a crimp terminal. If you're terminating 22-18 AWG, that's a red-insulated barrel, and 12-10 AWG is yellow. Crimp it with the die station that matches the blue range or the barrel won't hold.
2) Will the Sta-Kon RB2577FM fit a .250 male tab?
Yes. It's a female .250 (quarter inch) quick disconnect, so it mates with the standard 1/4 inch wide male tab found on motors, relays, contactors and appliance terminals. It will not fit .187 or .110 tabs.
3) What is a 90 degree flag disconnect used for instead of a straight one?
A flag disconnect brings the wire in at a right angle to the tab, so the conductor runs parallel to the terminal block or motor face instead of straight off it. That's what you reach for in a shallow junction box, a tight motor terminal housing, or anywhere a straight disconnect would force a sharp bend in the wire. The RB2577FM is the 90 degree flag version in the 16-14 AWG size; if you have depth behind the tab, a straight female .250 is the simpler part.
4) What is an open top disconnect and does the insulation still cover the crimp?
Open top means the insulation sleeve is slit on the crimp barrel so the tool can form the crimp directly on the metal, then the nylon closes back over it. You get a visible, inspectable crimp without stripping insulation off the terminal. The RB2577FM's sleeve is nylon/polyamide, which takes more abuse and heat than vinyl and resists cracking when it's flexed in a panel.
5) What metal is the barrel on the Sta-Kon RB2577FM, and does that matter for copper wire?
Brass, which is the standard barrel material for copper conductors on quick disconnects. Use it on copper wire only. Aluminum conductors need a terminal rated for aluminum, and this one is not that part.
6) Is the Sta-Kon RB2577FM made in the USA?
Country of origin is the United States. For federal, institutional, or Buy American flagged jobs, that's the line on the submittal, and the part number to quote is RB2577FM.
How fast can I get the Sta-Kon RB2577FM 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 RB2577FM come with a warranty?
Absolutely. The Sta-Kon RB2577FM 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 RB2577FM?
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 RB2577FM 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.