S21A NKK Switches, S21A Datasheet - Page 3

• 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
Notes: Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.
Optional Splashproof Boot Assemblies: AT401 & AT4181 boots plus hex nut & o-ring. See Accessories & Hardware section.
Notes: Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.
Optional Splashproof Boot Assemblies: AT401 & AT4181 boots plus hex nut & o-ring. See Accessories & Hardware section.
Model
Model
S21F
S6F
S7F
Throw &
Schematics:
Keyway
Keyway
S1F
S2F
S3F
Throw &
Schematics:
(18.6)
.732
(18.0)
.709
Approvals
Approvals
R
R
––
––
––
––
––
––
DPST
––
––
––
––
––
––
SPST
1
.236
.236
(6.0) Dia
(6.0) Dia
Pole &
Pole &
Throw
Throw
25°
SPDT
SPDT
DPST
DPDT
DPDT
SPST
α
1
3
(17.5)
.689
(17.5)
.689
ON
ON
ON
ON
ON
ON
M12 P1
4
M12 P1
Keyway
Down
Toggle Position/Connected Terminals
Keyway
Down
Toggle Position/Connected Terminals
3
(10.0)
.394
DOUBLE POLE WITH QUICK CONNECT
(10.0)
.394
SINGLE POLE WITH QUICK CONNECT
INTERNAL
CONNECTION
1-3
2-3
2-3
1-3 4-6
2-3 5-6
2-3 5-6
6
INTERNAL
CONNECTION
(29.7)
1.169
1.253
(31.8)
Center
NONE
NONE
NONE
NONE
OFF
Center
OFF
(11.7)
.461
(11.8)
.465
(7.9)
(7.9)
.311
.311
DPDT
SPDT
Note: S21F
.060
.060
(1.5) Dia Typ
(1.5) Dia Typ
.295
S21F does not have terminals 2 & 5
.295
(7.5) Typ
(6.35) Typ
OFF
(7.5) Typ
ON
ON
.250
(11.7)
.461
OFF
ON
ON
3
S1F does not have terminal 2
www.nkk.com
Up
3
Up
2-1 5-4
2-1 5-4
2
2-1
2-1
—
—
(COM)
1
2 (COM)
6
5
4
1
3
2
1
6
125V
5
(0.8) Typ
.031
15A
15A
15A
AC
125V
15A
20A
20A
AC
3
2
1
4
(30.0)
(31.2)
1.228
1.181
Resistive
Resistive
Electrical Capacity
250V
Electrical Capacity
6A
6A
6A
250V
AC
15A
10A
10A
AC
Panel Thickness:
.158” (4.0mm)
Panel Thickness:
.158” (4.0mm)
Note: Terminal numbers are
Maximum
Note: Terminal numbers are
Maximum
20A
20A
20A
.060
.060
30V
(1.5)
15A
20A
20A
(1.5)
30V
DC
DC
actually on the switch
actually on the switch
(12.5) Dia
.492
(12.5) Dia
.492
(11.5)
.453
(11.5)
.453
Series S
Inductive
Inductive
AC 125V
AC 125V
PF 0.6
PF 0.6
8A
8A
8A
8A
8A
8A
S2F
S6F
of Throw
of Throw
Angle
Angle
25°
25°
25°
21°
21°
28°
α =
A99
A