Medium/High Capacity Standard Size Toggles Series S
GENERAL SPECIFICATIONS FOR S301 ~ S339
Electrical Capacity (Resistive & Inductive Load)
Power Level:
Shown in the following tables
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
10 milliohms maximum
1,000 megohms minimum @ 500V DC
2,000V AC minimum for 1 minute minimum
50,000 operations minimum
Electrical Life:
6,000 operations minimum for S331F; 15,000 operations minimum for all other S331s;
25,000 operations minimum for all others
Shown on following tables
Angle of Throw (α):
Materials & Finishes
Toggle:
Bushing:
PBT for flatted lever; brass with chrome plating for all others
Brass with chrome plating
Case:
Case Cover:
Melamine phenol
Steel with zinc plating
Movable Contactor:
Movable & Stationary Contacts:
Terminals:
Copper with silver plating
Silver alloy capped on copper with silver plating
Brass with silver plating
Installation
Mounting Torque:
2.94Nm (26 lb•in) for double nut; 1.47Nm (13 lb•in) for single nut
Manual Soldering: See Profile A in Supplement section.
Soldering Time & Temperature:
Standards & Certifications
UL Recognized:
C-UL Recognized:
CSA Certified:
Designated with UL recognized symbol beside part numbers on following pages
UL File No. WOYR2.E44145. Add “/U” to end of part number to order UL mark on switch.
Designated with C-UL recognized symbol beside part numbers on following pages
C-UL File No. WOYR8.E44145. Add “/C-UL” to end of part number to order C-UL mark on switch.
Designated with CSA certified symbol beside part numbers on following pages
File No. 023535-0-000. Add “/C” to end of part number to order CSA mark on switch.
SINGLE POLE WITH SOLDER LUG
Toggle Position/Connected Terminals
Electrical Capacity
(
) = Momentary
Resistive
Inductive
Down
Center
Up
Pole &
Throw
Keyway
Angle
of Throw
AC
125V
AC
250V
DC
30V
AC 125V
PF 0.6
Model
Approvals
R
R
R
R
S301
S302
S303
S305
S308
S309
SPST
SPDT
SPDT
SPDT
ON
1-3
2-3
2-3
2-3
2-3
2-3
NONE
NONE
OFF
OFF
ON
ON
—
15A
15A
15A
15A
15A
15A
6A
6A
6A
6A
6A
6A
20A
20A
20A
20A
20A
20A
10A
10A
10A
8A
32°
32°
32°
32°
32°
32°
R
ON
ON
ON
2-1
R
2-1
—
—
—
—
—
—
NONE
OFF
(ON)
(ON)
(ON)
2-1
SPDT
SPDT
(ON)
ON
2-1
8A
OFF
2-1
8A
2 (COM)
Throw &
Schematics:
Note: Terminal numbers are
actually on the switch
INTERNAL
CONNECTION
SPST
SPDT
1
3
3
1
• Standard Hardware: AT503M Face Hex Nut, AT506 Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.
(3.2) Dia Typ
.126
Keyway
M12 P1
3
(12.5) Dia
.492
(6.0) Typ
.236
(28.5)
1.122
32°
2
1
(9.0)
.354
(1.6) Typ
.063
(3.0) Dia
(6.1) Dia
.240
.118
Maximum
Panel Thickness:
.185” (4.7mm)
(17.5)
.689
(12.0)
.472
(17.4)
.685
(9.6) Max
.378
(16.0)
.630
S301
S301 does not have terminal 2
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
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