S21A NKK Switches, S21A Datasheet - Page 5

• 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

Medium Capacity Standard Size Toggles
Model
Model
Notes: Standard Hardware: AT503M Face Hex Nut, AT508 Lockwasher, AT537 O-ring. See Accessories & Hardware section.
*
S21AL
S6AL
S7AL
Throw &
Schematics:
Notes: Standard Hardware: AT503M Face Hex Nut, AT508 Lockwasher, AT537 O-ring. See Accessories & Hardware section.
* See General Specifications page for approval marking.
*
S1AL
S2AL
S3AL
Throw &
Schematics:
Wire harness & cable assemblies offered only in Americas.
Wire harness & cable assemblies offered only in Americas.
(18.6)
.732
(18.0)
.709
*Approvals
Approvals
R
R
––
––
––
––
––
DPST
C
C
––
––
––
––
––
DOUBLE POLE SOLDER LUG WITH LOCKING LEVER & PANEL SEAL
SINGLE POLE SOLDER LUG WITH LOCKING LEVER & PANEL SEAL
US
US
1
(10.7) Dia
(10.7) Dia
.421
.421
SPST
Pole &
Pole &
Throw
Throw
SPDT
SPDT
DPST
DPDT
DPDT
SPST
α
α
3
1
.307
(7.8) Dia
.307
(7.8) Dia
ON
ON
ON
ON
ON
ON
(26.4)
1.039
(26.4)
1.039
4
(7.4) Dia
.291
.291
(7.4) Dia
(23.5)
(23.5)
.925
.925
Keyway
Down
M12 P1
M12 P1
Toggle Position/Connected Terminals
Keyway
Toggle Position/Connected Terminals
Down
3
1-3
2-3
2-3
Flat
Flat
1-3 4-6
2-3 5-6
2-3 5-6
INTERNAL
CONNECTION
6
(12.0)
.472
(12.0)
.472
.295
(17.0)
.669
.295
(7.5)
(7.5)
(17.0)
.669
INTERNAL
CONNECTION
Center
NONE
NONE
NONE
NONE
OFF
Center
OFF
(23.7)
.933
(25.7)
1.012
DPDT
S21AL does not have terminals 2 & 5
.224
(5.7)
.224
(5.7)
SPDT
OFF
ON
ON
.094
.094
(2.4) Dia Typ
(2.4) Dia Typ
OFF
ON
ON
3
(4.8) Typ
.189
(4.8) Typ
.189
S1AL does not have terminal 2
(0.8) Typ
.031
www.nkk.com
Up
Up
2-1 5-4
2-1 5-4
2
3
—
2-1
2-1
—
(COM)
1
6
5
4
2 (COM)
6
3
2
1
1
5
125V
15A
15A
15A
125V
15A
20A
20A
AC
(0.8) Typ
.031
AC
3
2
1
4
(31.2)
1.228
(30.0)
1.181
Resistive
Resistive
Electrical Capacity
250V
250V
15A
10A
10A
Electrical Capacity
6A
6A
6A
AC
AC
Panel Thickness:
Panel Thickness:
.158” (4.0mm)
.158” (4.0mm)
Note: Terminal numbers are
Note: Terminal numbers are
Maximum
Maximum
20A
20A
20A
30V
15A
20A
20A
30V
DC
DC
actually on the switch
actually on the switch
(12.2) Dia
.480
(12.2) Dia
.480
(11.2)
.441
(11.2)
.441
Series S
Inductive
Inductive
AC 125V
AC 125V
*
PF 0.6
PF 0.6
*
8A
8A
8A
8A
8A
8A
S6AL
S2AL
of Throw
of Throw
Angle
Angle
24°
24°
28°
22°
22°
28°
α =
α =
A101
A