English
Language : 

S301 Datasheet, PDF (1/10 Pages) Nihon Kaiheiki Industry Co. Ltd. – Medium/High Capacity Standard Size Toggles
Series S Medium/High Capacity Standard Size Toggles
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:
Electrical Life:
Angle of Throw (α):
Materials & Finishes
Toggle:
Bushing:
Case:
Case Cover:
Movable Contactor:
Movable & Stationary Contacts:
Terminals:
10 milliohms maximum
1,000 megohms minimum @ 500V DC
2,000V AC minimum for 1 minute minimum
50,000 operations minimum
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
PBT for flatted lever; brass with chrome plating for all others
Brass with chrome plating
Melamine phenol
Steel with zinc plating
Copper with silver plating
Silver alloy capped on copper with silver plating
Brass with silver plating
Installation
Mounting Torque:
Soldering Time & Temperature:
2.94Nm (26 lb•in) for double nut; 1.47Nm (13 lb•in) for single nut
Manual Soldering: See Profile A in Supplement section.
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.
Model
S301
S302
S303
S305
S308
S309
Approvals
R
R
R
R
R
R
——
——
——
Throw &
Schematics:
SPST
Pole &
Throw
SPST
SPDT
SPDT
SPDT
SPDT
SPDT
1
SINGLE POLE WITH SOLDER LUG
Toggle Position/Connected Terminals
( ) = Momentary
Down
Center
Up
Keyway
ON 1-3
ON 2-3
ON 2-3
ON 2-3
(ON) 2-3
ON 2-3
INTERNAL
CONNECTION
3
NONE
NONE
OFF
NONE
OFF
OFF
OFF
ON
ON
(ON)
(ON)
(ON)
SPDT
3
—
2-1
2-1
2-1
2-1
2-1
2 (COM)
1
AC
125V
15A
15A
15A
15A
15A
15A
Electrical Capacity
Resistive
Inductive
AC
250V
6A
6A
6A
6A
6A
6A
DC
AC 125V
Angle
30V
PF 0.6
of Throw
20A
10A
32°
20A
10A
32°
20A
10A
32°
20A
8A
32°
20A
8A
32°
20A
8A
32°
Note: Terminal numbers are
actually on the switch
• Standard Hardware: AT503M Face Hex Nut, AT506 Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.
S301
Keyway
(16.0)
.630
M12 P1
32°
(6.1) Dia
.240
(17.5)
.689
(12.0)
.472
(3.2) Dia Typ
.126
(6.0) Typ
.236
(1.6) Typ
.063
3
(28.5)
2
1.122
1
(17.4)
.685
(9.6) Max
.378
S301 does not have terminal 2
(12.5) Dia
.492
(9.0)
.354
(3.0) Dia
.118
Maximum
Panel Thickness:
.185” (4.7mm)
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08