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3M™ Scotchlok™ Terminals
MNG18-250DFI, MNG14-250DFI
Female Disconnect, Nylon Fully Insulated
with Insulation Grip
Data Sheet August 2014
Product
Number
Wire
Range
(AWG)
Mates w ith
Male Tab
Width (W´ )
x Thickness
L
W
D
Barrel
Length
Barrel
I.D.
Maximum
Insulation
Diameter
MNG18-250DFI 22-18 0.250 x 0.032 0.87 0.37 0.23 0.25 0.080 0.145
MNG14-250DFI 16-14 0.250 x 0.032 0.87 0.37 0.23 0.25 0.080 0.145
Specifications UL Standard No. 310, 3M File No. E750512
CSA Standard No. 22.2, 3M File No. LR22190
Max. Voltage Rating: 600 V Building Wire
1000 V Signs, Fixtures (Luminaires)
Max. Operating Temp: 221°F (105°C)
Max. Current: Same as Wire
Wire Size See Table above
Barrel Seam: Butted with Insulation Grip
Insulator Material: Nylon
Terminal Material: Brass
Insulator Grip Material: Brass
Plating: Tin
3M™ Scotchlok™ Terminals MNG18-250DFI, MNG14-250DFI
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Installation
Information
Engineering
Specification
Crimp-Type Female Disconnect shall, electrically and mechanically, connect
permanently to the prestripped en d of a stranded copper wire: and have a tongue
portion with f ingers which grip a Male Disconnect in a separabl e, reusable manner,
forming a Quick Connect Wiring Termination.
The connector line shall offer tongu e variations (sized to grip male tabs 0.250˝ x
0.032˝ or 0.187˝ x 0.020˝ per ANSI/NEMA CD-2) and barrel variations in wire (AWG)
size (22-18, 16-14, 12-10) and construction (non-insulated, nylon-in sulated with
insulation grip, and nylon fully insulated, etc.. The female disconnect shall have
regulatory agency coverage (UL Listed, CSA Certification). The tongue portion shall
be marked with the wire range and man ufacturer’s symbol ().
The Nylon Fully Insulated 0.250˝ Female Disconnect with Insulation Grip and
interlocking barrel shall be tin plated 0.020˝ thick brass with a tong ue for gripping a
0.250˝ x 0.032˝ Male Tab per ANSI/NEMA CD-2 and a 0.25˝ long barrel with a tin
plated brass funnel entry insulation grip, covered by a molded nylon sleeve, whic h
extends to cover the tongue, color code d and sized for a specified (AWG) wire range
(Red 22-18, Blue 16-14).
Insulated connectors shall be UL Listed and CSA Certified for 600 V building wire:
1000 V signs or lighting fixtures (luminaires) and temperature rated 221˚F (105˚C)
maximum.
Female Disconnects shall be suitable for field or factory wiring, with a UL
Recognized strain relief required.
UL Listed and CSA Certified for u se on stranded copper (AWG) wire only.
Strip away the end 3/8 inch of wire insulation.
Make the crimp in the proper station of a recommended 3M™ Scotchlok™
Crimp Tool: TH-440, TH-450 (scissor style), or TR-482, TR-490 (ratchet style)
hand tools.
Suitable for factory installation on steel or brass tabs, UL and CSA.
Suitable for field application on brass tabs, strain relief is required, UL only.
Insulation Crimp (Mechanical)
Barrel Crimp Electrical
3M™ Scotchlok™ Terminals MNG18-250DFI, MNG14-250DFI
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3M and Scotchlok are trademarks of 3M Company.
3
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800 472.1190
FAX: 800.262.6329
www.3M.com/electrical
Please recycle
© 3M 2014 All rights reserved
78-8125-9931-0 Rev C
Shelf Life &
Storage
3M™ Scotchlok™ T erminals MNG18-250DFI and MNG14-250DF I have a 5-year shelf life
from date of manufacture when stored in a humidity controlled storage (10°C/50°F to
27°C/80°F and <75% relative humidity).
Availability
Please contact your local distributor; av ailable from 3M.com/electrical [Where to Buy] or
call 1-800-472-1190.
Important Notice All statements, technical information, and recommendations related to 3M’s products are based on information
believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must
evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated
with such use. Any statements related to the product, which are not contained in 3M’s current publications, or any
contrary statements contained on your purchase order, shall have no force or effect unless expressly agreed upon,
in writing, by an authorized officer of 3M.
Warranty; Limited
Remedy; Limited
Liability
This product will be free from defects in material and manufacture at the time of purchase. 3M MAKES NO OTHER
WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above,
your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of
the 3M product. Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or
consequential loss or damage arising from this 3M product, regardless of the legal theory asserted.
