Scotchlok™Terminals
MU18-4R/S thru MU10-516R/S
Ring Tongue, Non-Insulated, Butted Seam
Data Sheet
W
L
EC
UNDERWRITERS
LABORATORIES
STANDARD NO. UL 486A
3M FILE NO. E23438
CANADIAN STANDARDS
ASSOCIATION
STANDARD NO. C22.2
NO. 0. 65
3M FILE NO. LR22190
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S/R4-81UM81-22452.022.006.074.0030.052.0070.0
S/R6-81UM81-22652.022.006.074.0030.052.0070.0
L/R8-81UM81-22813.033.047.085.0030.052.0070.0
L/R01-81UM81-220113.033.047.085.0030.052.0070.0
S/R41-81UM81-22 ₄⁄¹ 74.004.098.056.0030.052.0070.0
R83-81UM81-22 ₈⁄³ 65.004.039.056.0030.052.0070.0
S/R4-41UM41-61452.022.006.074.0030.052.0090.0
S/R6-41UM41-61652.022.006.074.0030.052.0090.0
L/R8-41UM41-61852.022.047.085.0030.052.0090.0
R01-41UM41-610133.092.007.045.0030.052.0090.0
L/R01-41UM41-610113.033.047.085.0030.052.0090.0
S/R41-41UM41-61 ₄⁄¹ 74.004.098.056.0030.052.0090.0
S/R4-01UM01-21482.092.086.045.0040.052.0531.0
R6-01UM01-21683.092.037.045.0040.052.0531.0
R8-01UM01-21883.092.037.045.0040.052.0531.0
R01-01UM01-210183.092.037.045.0040.052.0531.0
S/R41-01UM01-21 ₄⁄¹ 35.044.069.096.0040.052.0531.0
S/R615-01UM01-21 ₆₁⁄⁵ 35.044.069.096.0040.052.0531.
0
Electrical Products Division
6801 River Place Blvd.
Austin, TX 78726-9000
http://www.3M.com/elpd Litho in USA.
© 3M 2002 78-8126-0524-0-A
IMPORTANT NOTICE
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.
Warranty; Limited Remedy; Limited Liability. This product will be free from defects in material and manufacture as of the date 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 loss or damage arising from this 3M product, whether direct, indirect, special, incidental or consequential
regardless of the legal theory asserted.
Engineering Specification
Crimp-type terminals shall, electrically and mechanically,
connect to a pre-stripped end of a stranded copper wire:
and hav e a flat tongue portion with a central opening for
mounting around a scre w or stud.
The terminal line shall of fer tongue v ariations in hole
(stud) size (6, 8 10, etc.) and configuration (ring, fork,
block fork, flanged block fork, locking fork, etc.): and
barrel v ariations in wire (AWG) size (22-18, 16-14,
12-10, etc.) and construction (non-insulated brazed seam,
vinyl insulated b utted seam, nylon insulated with
insulation grip, etc.). The terminal line shall hav e
regulatory agenc y co verage (UL Listing, CSA
Certification). The terminal tongue shall be mark ed with
the wire range and manufacturer’s symbol ().
The non-insulated, butted seam ring tongue terminal shall
be tin-plated, annealed copper, with the tongue having a
specified stud hole (size 4 thru 5/16 in.) and a b utted
seam barrel with a be veled I.D. for ease of stranded wire
entry, sized for a specif ied (AWG) wire range (22-18,
16-14, 12-10).
Non-insulated terminals shall be UL Listed and CSA
Certified.
Specifications
Wire Size: See Table Above
Barrel Seam: Butted
Max. Current: Same as Wire
Terminal Material: ETP Copper
Terminal Plating: Tin
Installation Information
UL Listed and CSA Certified for use 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 crimp tool: TH-440, TH-450 (scissor style), or
TR-490 (ratchet style) hand tools.
Barrel Crimp (Electrical)
WARNING
Turn power off before installing or removing terminal. All electrical
work should be done according to appropriate electr ical codes.
3M and Scotchlok are trademarks of 3M.
is a trademark of Underwriters Laboratories.
is a trademark of Canadian Standards Association.
