Data Sheet

Medium/High Capacity Standard Size Toggles Series S
2-06
NKK Switches • email: [e-mail] • Phone [phone] • Fax [phone] • www.nkkswitches.com
• Standard Hardware: AT503M Face Hex Nut, AT506 Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.
• Solder lug terminal hole accommodates one 12-gauge solid or stranded wire.
S422
S421 does not have terminals 2 & 5
S421T does not have terminals 2 & 5
S423T
(9.0)
.354
(12.5) Dia
.492
(3.0) Dia
.118
(9.0)
.354
(12.5) Dia
.492
(3.0) Dia
.118
Maximum
Panel Thickness:
.185” (4.7mm)
• Standard Hardware: AT503M Face Hex Nut, AT506 Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.
Keyway
(19.0)
.748
(17.5)
.689
(12.0)
.472
(25.1)
.988
α
(6.1) Dia
.240
M12 P1
(2.4) Dia Typ
.094
(4.8) Typ
.189
(5.7)
.224
6
3
2
14
5
(33.2)
1.307
(0.8) Typ
.031
(33.2)
1.307
1
2
4
5
6
3
(17.5)
.689
(12.0)
.472
(31.1)
1.224
α
(6.1) Dia
.240
M12 P1
M4 X 5
(11.0)
.433
Keyway
(19.0)
.748
Toggle Position/Connected Terminals
( ) = Momentary
Electrical Capacity
Model Approvals
Pole &
Throw
Down Center Up
Resistive Inductive
Motor
Load
α =
Angle
of Throw
AC
125V
AC
250V
PF 0.75 - 0.8
AC
125V
AC 125V AC 250V
S421 — — DPST ON 1-3 4-6 NONE OFF —
25A 25A 25A 25A 750W 24°
S422 — — DPDT ON 2-3 5-6 NONE ON 2-1 5-4 25A 25A 25A 25A 750W 24°
S423 — — DPDT ON 2-3 5-6 OFF ON 2-1 5-4 25A 25A 25A 25A 750W 28°
S425 — — DPDT ON 2-3 5-6 NONE (ON) 2-1 5-4 15A 15A 15A 15A 400W 24°
S428 — — DPDT (ON) 2-3 5-6 OFF (ON) 2-1 5-4 15A 15A 15A 15A 400W 24°
S429 — — DPDT ON 2-3 5-6 OFF (ON) 2-1 5-4
15A 15A 15A 15A 400W 24°
Throw &
Schematics:
DOUBLE POLE WITH SOLDER LUG
Keyway
1 3 4
6
2 5
(COM)
64
INTERNAL
CONNECTION
31
DPST DPDT
Note: Terminal numbers
are on the switch
Toggle Position/Connected Terminals
( ) = Momentary
Electrical Capacity
Model Approvals
Pole &
Throw
Down Center Up
Resistive Inductive
Motor
Load
α =
Angle
of Throw
AC
125V
AC
250V
PF 0.75 - 0.8
AC
125V
AC 125V AC 250V
S421T — — DPST ON 1-3 4-6 NONE OFF —
20A 20A 20A 20A 750W 24°
S422T — — DPDT ON 2-3 5-6 NONE ON 2-1 5-4 20A 20A 20A 20A 750W 24°
S423T — — DPDT ON 2-3 5-6 OFF ON 2-1 5-4 20A 20A 20A 20A 750W 28°
S425T — — DPDT ON 2-3 5-6 NONE (ON) 2-1 5-4 15A 15A 15A 15A 400W 24°
S428T — — DPDT (ON) 2-3 5-6 OFF (ON) 2-1 5-4 15A 15A 15A 15A 400W 24°
S429T — — DPDT ON 2-3 5-6 OFF (ON) 2-1 5-4
15A 15A 15A 15A 400W 24°
Throw &
Schematics:
Keyway
1 3 4
6
2 5
(COM)
64
INTERNAL
CONNECTION
31
DPST DPDT
DOUBLE POLE WITH SCREW LUG
Note: Terminal numbers
are on the switch
Maximum
Panel Thickness:
.185” (4.7mm)