Datasheet

Series S
High Capacity Standard Size Toggles
A121
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries PushbuttonsIlluminated PBSlides Programmable
A
Toggles
Rockers
Touch
Tilt
www.nkk.com
Keyway
(9.0)
.354
28°
(27.0)
1.063
(12.0)
.472
(34.0)
1.339
M12 P1
M4.5x6
(12.0) Typ
.472
(8.15)
.321
(4.0)
.157
(12.0)
.472
(24.0)
.945
(42.0)
1.654
3
2
1
6
5
4
(9.0)
.354
(12.5) Dia
.492
(3.0) Dia
.118
Notes: Standard Hardware: AT503M Face Hex Nut, AT506M Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.
S821D does not
have terminals 1 & 4
Double Pole
Maximum
Panel Thickness:
.177” (4.5mm)
* UL, cULus & CSA recognized only
when ordered with marking on
switch (see General Specs)
Toggle Position/Connected Terminals
Electrical Capacity
Model
*Approvals
Pole &
Throw
Down Center Up
Resistive Inductive L/R = 3ms
DC
30V
DC
48V
DC
125V
DC
250V
DC
400V
DC
24V
DC
48V
DC
125V
DC
250V
S821D DPST ON 2-3 5-6 NONE OFF — 30A 30A 20A 15A 4A (10A) 15A 10A 6A 3A
S822D DPDT ON 2-3 5-6 NONE ON 2-1 5-4 30A 30A 20A 15A 4A 15A 10A 6A 3A
S823D DPDT ON 2-3 5-6 OFF ON 2-1 5-4 30A 30A 15A 7.5A — 15A 10A 6A 3A
Throw &
Schematics:
DOUBLE POLE WITH SCREW LUG & FLATTED LEVER
Keyway
DPST DPDT
2 5(COM)
36
4613
25(COM)
Note: Terminal numbers
are on the switch
R
CUS
R
( ) capacity is due to wiring. Refer to instructions below.
400V DC WIRING INSTRUCTIONS
• Middle terminal shall be the minus pole when using DC circuit.
Switch case is marked with (+) and (–).
• Do not store near (5cm) highly magnetic items.
• If actuation is interrupted when switching from ON to OFF,
arcing may continue and switch could be burned.
1. DC Switch Use
2. Wiring for DC400V 10A
3. Inductive Load
Inductive loads produce an arc caused by counter-electromotive force
when opening the circuit. Recommend inserting spark elimination
circuit. Contact factory for details.
4. Compressed Terminal Connection
When connecting screw terminal with compressed terminal, select
compressed terminal using drawing below.
1
2
3
4
5
6
Minus Pole
Connection
Plus Pole
Connection
External
Connection
(
2
)
(
3
)
(
6
)
(
5
)
Contact Connection Position
L
R
C
D
+
Contact Point
(Patent Pending)
S822D
14
25
36
(9.8)
.386