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3M™ Scotchlok™ Terminals
MU18-187DF, MU14-187DF
Female Disconnect, Non-Insulated, Butted Seam
Data Sheet August 2014
Product
Number
Wire
Range
(AWG)
Mates with
Male Tab
Width (W´ )
x Thickness
L
Barrel
Length
Barrel
I.D.
MU18-187DF 22-18 0.187 x 0.020 0.58 0.25 0.085
MU14-187DF 12-10 0.187 x 0.020 0.58 0.25 0.085
Specifications UL Standard No. 310, 3M File No. E750512
CSA Standard No. 22.2, 3M File No. LR22190
Max. Current: Same as Wire
Wire Size See Table above
Barrel Seam: Butted
Terminal Material: Brass
Plating: Tin
3M™ Scotchlok™ Terminals MU18-187DF, MU14-187DF
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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: an d 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 a tongue variations (sized to grip male tabs: 0.187˝ or
0.250˝) and barrel variations in construction (non-insulated, nylon insulated with
insulation grip, etc.). The tongue portion shall be marked with the wire ran ge and
manufacturer’s symbol ().
The Non Insulated Female Disconnect shall be tin plated 0.016˝ thick brass, with a
tongue for gripping a 0.187˝ male tab of 0.20˝ thickne ss, and a butted seam barrel
sized for specified (AWG ) wire range (Red 22-18, Blue16-14).
UL Listed and CSA Certified for u se on stranded copper (A WG) 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-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.
Barrel Crimp Electrical
3M™ Scotchlok™ Terminals MU18-187DF, MU14-187DF
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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
78-8126-0416-9 Rev C
Shelf Life &
Storage
3M™ Scotchlok™ T erminals MNG18-180DFI and MNG14-180DF 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.
