S21A NKK Switches, S21A Datasheet - Page 3
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S21A
Manufacturer Part Number
S21A
Description
SW TOGGLE DPST 15A SOLDER LUG
Manufacturer
NKK Switches
Series
Sr
Type
Toggler
Specifications of S21A
Circuit
DPST
Switch Function
On-Off
Contact Rating @ Voltage
15A @ 125VAC
Actuator Type
Standard Round
Actuator Length
17.50mm
Illumination
Non-Illuminated
Mounting Type
Panel Mount
Termination Style
Solder Lug
Bushing Thread
M12
Body Style
Standard
Contact Form
DPST
Current, Rating
15 A
Dielectric Strength
2000 VAC
Mounting Hole Size
0.453 "
Number Of Poles
2
Number Of Positions
2
Operation
On-None-Off
Special Features
Medium Capacity
Termination
Solder
Voltage, Rating
250/30 VAC/VDC
Pole Throw Configuration
DPST
Switch Configuration
ON None OFF
Actuator Style
Toggle
Current Rating (max)
15A
Ac Voltage Rating (max)
250VVAC
Dc Voltage Rating (max)
30VVDC
Contact Material
Silver Alloy/Copper
Contact Plating
Silver
Mechanical Life
50000
Product Height (mm)
53.2mm
Product Depth (mm)
18.6mm
Operating Temperature Min Deg. C
-10C
Product Length (mm)
31.2mm
Operating Temperature Max Deg. C
70C
Mounting Style
Panel Mount with Threads
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
S21A-RO
S21A-RO
S21A-RO
NKK Switches
Model
Model
Throw &
Schematics:
• Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.
Throw &
Schematics:
• Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.
S21A
S6A
S7A
S1A
S2A
S3A
S6A
S2A
—
R
—
R
R
R
Approvals
Approvals
DPST
—
R
R
R
R
SPST
1
Keyway
Keyway
1
Pole &
Pole &
Throw
Throw
DPDT
DPDT
SPDT
SPDT
DPST
SPST
3
(18.6)
.732
(18.0)
.709
4
3
ON
ON
ON
ON
ON
ON
INTERNAL
CONNECTION
Keyway
Down
Toggle Position/Connected Terminals
Toggle Position/Connected Terminals
Keyway
DOUBLE POLE WITH SOLDER LUG
Down
SINGLE POLE WITH SOLDER LUG
6
Medium Capacity Standard Size Toggles
1-3 4-6
2-3 5-6
2-3 5-6
INTERNAL
CONNECTION
.236
.236
1-3
2-3
2-3
(6.0) Dia
(6.0) Dia
25°
α
(17.5)
.689
(17.5)
.689
NONE
NONE
Center
NONE
NONE
Center
OFF
OFF
M12 P1
M12 P1
SPDT
DPDT
(10.0)
.394
(10.0)
.394
OFF
ON
ON
3
3
OFF
ON
ON
Up
(25.7)
1.012
(23.7)
.933
Up
2-1 5-4
2-1 5-4
2 (COM)
2
—
(COM)
1
1
2-1
2-1
—
.224
(5.7)
.224
(5.7)
S21A does not have terminals 2 & 5
.094
6
(2.4) Dia Typ
.094
(2.4) Dia Typ
(4.8) Typ
.189
(0.8) Typ
.031
(4.8) Typ
.189
5
S1A does not have terminal 2
125V
125V
15A
15A
15A
15A
20A
20A
AC
AC
4
Resistive
Resistive
Electrical Capacity
Electrical Capacity
250V
250V
15A
10A
10A
6
5
4
6A
6A
6A
AC
AC
3
2
1
Note: Terminal numbers are
Note: Terminal numbers are
(0.8) Typ
.031
2
3
1
20A
20A
20A
15A
20A
20A
30V
30V
actually on the switch
actually on the switch
DC
DC
(30.0)
(31.2)
1.228
1.181
Series S
Inductive
Inductive
AC 125V
AC 125V
PF 0.6
PF 0.6
8A
8A
8A
8A
8A
8A
Panel Thickness:
Panel Thickness:
.158” (4.0mm)
.158” (4.0mm)
Maximum
Maximum
.060
.060
(1.5)
(1.5)
of Throw
of Throw
Angle
Angle
25°
25°
25°
(12.5) Dia
.492
21°
21°
28°
(12.5) Dia
.492
(11.5)
.453
α =
(11.5)
.453