C&K 8020 Series
Snap-acting Momentary Pushbutton Switches
SWITCH FUNCTION
A
SWITCH FUNCTION
POS. 1 POS. 2
CONNECTED TERMINALS
POS. 1
POS. 2
UL/CSA*
NO.
POLES
MODEL
NO.
C&K marking on
opposite side
C&K marking on
opposite side
MODEL NO.
SCHEMATIC
8121
8125
U811
ON
MOM.
MOM.
SP
1-3
1-2
ON
SPDT
SPDT
Terminal Nos.
For Reference Only
Part number shown: 8121SHZGE
8221
8225
U821
ON
ON
MOM.
MOM.
DP
1-3,4-6
1-2,4-5
DPDT
DPDT
Terminal Nos.
Part number shown: 8221SHZGE
For Reference Only
8321
8325
U831
ON
ON
MOM.
MOM.
3P
1-3,4-6,7-9
1-2,4-5,7-8
3PDT
3PDT
Terminal Nos.
For Reference Only
Part number shown: 8321SHZGE
MOM. = Momentary
8X25 models must be ordered with B, K or P contact material.
8X21 and U8X1 models must be ordered with G, L or R contact material.
*U811 thru U841 model numbers
with all options (except R, R2 terminations)
when ordered with G ,L or R contact material.
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
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