C&K 8020 Series
Snap-acting Momentary Pushbutton Switches
A
Pushbutton
SWITCH FUNCTION
SWITCH FUNCTION
POS. 1
POS. 2
UL/CSA*
MODEL
NO.
CONNECTED TERMINALS
POS. 1
POS. 2
NO.
POLES
MODEL NO.
C&K marking on
opposite side
C&K marking on
opposite side
SCHEMATIC
8121
SP
U811
ON
ON
MOM.
1-3
1-2
SPDT
MOM.
8125
SPDT
Part number shown: 8121SHZGE
Terminal Nos.
For Reference Only
ON
ON
MOM.
1-3,4-6
1-2,4-5
DPDT
MOM.
8221
DP
U821
8225
DPDT
Part number shown: 8221SHZGE
Terminal Nos.
For Reference Only
ON
ON
MOM.
1-3,4-6,7-9
1-2,4-5,7-8
3PDT
MOM.
8321
3P
U831
8325
3PDT
Part number shown: 8321SHZGE
MOM. = Momentary
*U811 thru U841 model numbers
with all options (except R, R2 terminations)
when ordered with G ,L or R contact material.
Terminal Nos.
For Reference Only
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.
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–28
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