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Sealed Miniature SPDT Toggle Switches
TK21 Series
EPOXY
SEAL
A
UL version available
by request
UL version available
by request
5.56
3.48
12.70
A
7.62
1.22
EPOXY
SEAL
12.70
0.76
1
5.90
0.40
4.70
12.70
12.70
6.60
1.27
0.76
12.70
2
3
Ø2.92
6.10
10.40
Ø1.85
5.30
3
2
1
6.60
4.70
5.08
4.70
5.08
P.C. MOUNTING
1.27
TK21S1A2B4T6_E_ THT Right Angle
TK21S1A1B4T2_E_ THT Straight
EPOXY
SEAL
6.60
A
OPTION
CODE
DIM.
‘A‘
UL version available
8.13
UL version available
by request
by request
VS2
VS3
11.68
16.00
12.70
3.18
7.62
1.52
7.62
A
1
2 3
5.90
1.27
0.76
3.81
12.70
5.59
3.18
0.40
Dim. `A`
3
2
EPOXY
SEAL
0.51
4.70
1
2
3
2.84
12.70
Ø1.85
4.70
1
0.76
4.70
15.75
3.18
1.22
5.08
P.C. MOUNTING
1.22
15.75
3.81
5.08
Ø1.83
P.C. MOUNTING
TK21S1A2B4T7_E_ THT Vertical Right Angle
TK21S1A2B4VS2_E_ THT with V-Bracket
Switch Function
Connected Terminals / Shematic
Position 1
Position 2
Position 3
Position 1
Position 2
Position 3
No.
Poles
Model
No.
SP
SP
SP
SP
SP
TK21S1
TK21S2
TK21S3
TK21S4
TK21S5
ON
ON
NONE
NONE
OFF
ON
2-3
2-1
N/A
MOM
ON
ON
MOM
ON
OFF
MOM
MOM
OPEN
OFF
How to order:
General Specifications:
1
2
3
4
5
6
7
TK21
MATERIALS
» Movable Contact & Fixed Terminals:
AG, GT, UG & UGT: Silver plated over copper alloy
AU & UT: Gold over nickel plated over copper alloy
1
T53
T54
T6
POLES & SWITCH FUNCTION:
SP ON-NONE-ON
Wire Wrap, Height = 10.55 mm
Wire Wrap, Height = 26.97 mm
PC Thru Hole, Right Angle
PC Thru Hole, Right Angle,
Snap-in
S1
S2
S3
S4
S5
SP ON-NONE-MOM
SP ON-OFF-ON
T6N
SP MOM-OFF-MOM
SP ON-OFF-MOM
T7
VS2
V2N
PC Thru Hole, Vertical Right Angle
V-Bracket, Height = 11.68 mm
Snap-in V-Bracket,
MECHANICAL
ACTUATOR (Details see page A08):
Height=12.70 mm
2
» Operating Temperature: -30°C to +85°C
» Mechanical Life: 30,000 cycles
» Degree of Protection: IP67
A1
A2
AA
Height = 11.68 mm
V-Bracket, Height = 16.00 mm
VS3
Height=7.62 mm
Height=12.70 mm, plastic,
anti-static, black
5
CONTACT MATERIAL:
Silver
Gold
Gold, Tin-lead
Silver, Tin-lead
Gold over Silver
Gold over Silver, Tin-lead
AG
AU
UT
GT
UG
UGT
AB
AC
Height=7.62 mm, plastic,
anti-static, black
CONTACT RATING
Height=12.70 mm, plastic,
anti-static, silver
» AG, GT, UG & UGT: 5A120VAC/28VDC
2A250VAC
BUSHING (Details see page A08):
Height = 8.80 mm
Height = 6.10 mm
3
B1
B4
» AU & UT: 0.4VA max. 20V max. (AC/DC)
6
E
EPOXY:
Epoxy (Standard)
ELECTRICAL
4
T1
T2
TERMINALS (Details see page A08):
Solder Lug
PC Thru Hole
7
blank
V
ROHS & LEADFREE:
RoHS compliant (Standard)
RoHS compliant & Leadfree
» Contact Resistance: 10mȍ max. initial @ 2-4VDC
100mA for silver & gold plated contacts
» Insulation Resistance: 1,000Mȍ min.
T51 Wire Wrap, Height = 18.70 mm
T52 Wire Wrap, Height = 24.20 mm
sales@greatecs.com
www.greatecs.com
A05