S3B NKK Switches, S3B Datasheet - Page 11

• Manufacturer Part Number: S3B
• Description: SWITCH TOGGLE SPDT SOLDER LUG
• Manufacturer: NKK Switches
• Series: Sr

Specifications of S3B

• Circuit: SPDT
• Switch Function: On-Off-On
• Contact Rating @ Voltage: 5A @ 125VAC
• Actuator Type: Standard Round
• Actuator Length: 17.50mm
• Illumination: Non-Illuminated
• Mounting Type: Panel Mount
• Termination Style: Solder Lug
• Bushing Thread: M12
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: S3B-RO; S3B-RO

A
Series S
A112
Notes: Standard Hardware: AT503M Face Hex Nut, AT506M Locking Ring, 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: AT503M Face Hex Nut, AT506M Locking Ring, 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.
Throw &
Schematics:
Throw &
Schematics:
Model
Model
S421T
S422T
S423T
S425T
S428T
S429T
S421
S422
S423
S425
S428
S429
Wire harness & cable assemblies offered only in Americas.
S422
S423T
Approvals
Approvals
R
R
––
––
––
––
––
––
––
––
––
––
––
––
––
––
––
DPST
––
––
––
––
DPST
––
––
––
––
––
Pole &
1
Keyway
Pole &
1
Throw
Throw
DPDT
DPDT
DPDT
DPDT
DPDT
DPDT
DPDT
DPDT
DPDT
DPDT
DPST
DPST
Keyway
(19.0)
.748
(19.0)
.748
3
3
(ON)
(ON)
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
4
4
Keyway
Keyway
Down
Down
Toggle Position/Connected Terminals
Toggle Position/Connected Terminals
DOUBLE POLE WITH SOLDER LUG
1-3 4-6
2-3 5-6
2-3 5-6
2-3 5-6
2-3 5-6
2-3 5-6
1-3 4-6
2-3 5-6
2-3 5-6
2-3 5-6
2-3 5-6
2-3 5-6
.240
DOUBLE POLE WITH SCREW LUG
(6.1) Dia
α
6
6
.240
(6.1) Dia
INTERNAL
CONNECTION
INTERNAL
CONNECTION
α
( ) = Momentary
( ) = Momentary
(17.5)
.689
M12 P1
NONE
NONE
NONE
NONE
NONE
NONE
Center
Center
www.nkk.com
OFF
OFF
OFF
OFF
OFF
OFF
(17.5)
.689
M12 P1
(12.0)
.472
Medium/High Capacity Standard Size Toggles
(12.0)
.472
(ON)
(ON)
(ON)
(ON)
(ON)
(ON)
OFF
OFF
ON
ON
ON
ON
DPDT
DPDT
(25.1)
.988
Up
Up
3
3
2-1 5-4
2-1 5-4
2-1 5-4
2-1 5-4
2-1 5-4
2-1 5-4
2-1 5-4
2-1 5-4
2-1 5-4
2-1 5-4
.224
1.224
(5.7)
(31.1)
S421 does not have terminals 2 & 5
—
—
.094
2
(2.4) Dia Typ
2
(4.8) Typ
.189
(11.0)
.433
(COM)
(COM)
S421T does not have terminals 2 & 5
1
1
M4 X 5
125V
125V
25A
25A
25A
15A
15A
15A
20A
20A
20A
15A
15A
15A
AC
6
AC
6
Resistive
Resistive
5
5
Electrical Capacity
250V
Electrical Capacity
250V
25A
25A
25A
15A
15A
15A
20A
20A
20A
15A
15A
15A
*
AC
AC
6
5
4
4
4
5
4
AC 125V
AC 125V
(0.8) Typ
.031
25A
25A
25A
15A
15A
15A
20A
20A
20A
15A
15A
15A
6
2
PF 0.75 - 0.8
3
1
PF 0.75 - 0.8
1
Inductive
Inductive
2
(33.2)
1.307
3
Note: Terminal numbers
Note: Terminal numbers
AC 250V
AC 250V
25A
25A
25A
15A
15A
15A
20A
20A
20A
15A
15A
15A
(33.2)
1.307
are on the switch
are on the switch
Panel Thickness:
.185” (4.7mm)
750W
750W
750W
400W
400W
400W
750W
750W
750W
400W
400W
400W
Motor
Motor
Load
125V
Load
125V
Panel Thickness:
.185” (4.7mm)
AC
AC
Maximum
Maximum
(3.0) Dia
.118
(12.5) Dia
.492
(3.0) Dia
.118
.354
(9.0)
of Throw
of Throw
(12.5) Dia
.492
Angle
Angle
.354
(9.0)
24°
24°
28°
24°
24°
24°
24°
24°
28°
24°
24°
24°
α =
α =