Electrical Spring
Connectors
512
Data Sheet
Application
Use a
3M
TM
Electrical Spring Connector
512
connector to electrically connect two or more wire
ends in a pigtail application and insulate the
connection, or to insulate a single wire end.
1000 volts maximum signs, fixtures, and luminaires.
The connector shall have a maximum operating
temperature of 105˚C.
TM
3M
Wire Range
AWG Range: Solid or stranded copper conductors only.
No. 20 thru No. 8 (0,75 mm
2
thru 6,0 mm
2
).
Regulatory Agencies
UL Listed
as a Pressure Cable Connector
Tested per UL Standard 486C
UL File No. E23438
CSA Certified-CSA
Standard C22.2 No. 0,
188-M1983
CSA File No. LR15503
Operating Temperature: 105˚C (221˚F)
Voltage Rating: 600 volts max. building wire
1000 volts max. signs and luminaires.
Flammability Rating: C22.2 No. 0.6 V-2
Classified
in accordance with
IEC
(International Electrotechnical Commission)
publications 685-1 and 685-2-4. UL-IEC file
No. E95240.
Operating Temperature: 105˚C (221˚F)
Voltage Rating: 600 volts max. building wire;
1000 volts max. signs and fixtures
Flammability Rating: UL94 V-2
Federal Specification W-S-610:
“Commercial package only”
Type
Class
Kind
Style
1
1
cu
G
Construction
Spring - Spring Steel, Corrosion-Resistant Coating
Insulator - Flame-Retardant Nylon
Color - Red
Weight
.006 lb. (2,7 gm)
Engineering Specification
3M
Electrical Spring Connector 512 shall be capable
of connecting wires within the range of No. 20 thru
No. 8 solid or stranded copper
conductors in a pigtail application. The connector
shall be constructed of an active (live) spring and
covered by a
flame-retardant nylon
insulator. The
spring shall have a corrosion resistant coating. The
connector shall be UL Listed as a pressure cable
connector and be CSA Certified. The connectors shall
be voltage rated 600 volts maximum, building wire,
3M
TM
Electrical Spring Connector
512
AWG Wire Combinations
Copper to Copper Conductors
= 300 volts
= 600 volts
All wire combinations
are 600 volt UL Listed
when using conductors
with insulation thickness
such as TW and THHN.
UL Listed single wire terminations:
No: 10, 12 and 14 AWG
All wire combinations
are 600 volts
CSA Certified
How to read this chart:
Example 1:
1 No. 14 sol
+ 6 No. 16 sol (7)
Example 2:
1 No. 12 sol
+ 4 No. 12 str (5)
Installation Instructions
Conductor Size
20-16 AWG (0,75-1,5 mm
2
)
14-8 AWG (2,5-4,0 mm
2
)
Strip Length
3/4" (19,0 mm)
5/8" (15,9 mm)
WARNING
Turn power off before installing or removing terminal. All electrical
work should be done according to appropriate electrical codes.
1. Strip wire insulation to length specified in chart
to the right, according to conductor size.
2. Firmly grasp wires, making sure insulation ends
are even and tightly bundled. (wires may be
twisted or untwisted). Slip connector over wire
tips.
3. Turn connector onto wires in a clockwise
direction until secure.
4. To remove, turn connector counter-clockwise.
Metric Wire Combinations
International Electrotechnical Commission
Rated Capacity: 2,0-16,0 mm
2
Voltage Rating: 600 volts maximum
Reusability: Reusable for same capacity or larger
Wire Type: Copper only
See installation instructions for conductor strip lengths.
I.E.C. Metric Wire Matrix:
Twist-on connecting devices for the combination of
rigid (solid or stranded) and flexible conductors.
Conductor Size
0.75 mm
2
1,0 mm
2
1,5
2,5
4,0
6,0
mm
2
mm
2
mm
2
mm
2
Quantity
3-6
2-6
2-6
2-6
2-4
2
Only AWG combinations are UL Listed or
CSA Certified.
3M is a trademark of 3M Company.
is a trademark of Underwriters Laboratories.
is a trademark of Canadian Standards Association.
is a trademark of International Electrotechnical Commission.
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 direct, indirect, special, incidental or
consequential loss or damage arising from this 3M product, regardless of the legal theory asserted.
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800.245.3573
FAX: 800.245.0329
www.3M.com/electrical
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