S303-RO NKK Switches, S303-RO Datasheet - Page 9
![Toggle Switches SPDT ON-OFF-ON 15A](/photos/17/79/177988/medhicap_sml.jpg)
S303-RO
Manufacturer Part Number
S303-RO
Description
Toggle Switches SPDT ON-OFF-ON 15A
Manufacturer
NKK Switches
Series
Sr
Specifications of S303-RO
Contact Form
SPDT
Switch Function
ON - OFF - (ON)
Contact Rating
15 Amps at 125 Volts
Termination Style
Solder Lug
Mounting Style
Panel
Terminal Seal
Resin
Contact Plating
Copper with Silver
Actuator
Bat
Pole Throw Configuration
SPDT
Switch Configuration
ON OFF ON
Actuator Style
Toggle
Current Rating (max)
20A
Ac Voltage Rating (max)
250VVAC
Dc Voltage Rating (max)
30VVDC
Contact Material
Silver Alloy/Copper
Mechanical Life
50000
Product Depth (mm)
16mm
Operating Temperature Min Deg. C
-10C
Product Length (mm)
28.5mm
Operating Temperature Max Deg. C
70C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
633-S303 S-303 S303
A
Series S
A110
General Specs. page for approval marks
General Specs. page for approval marks
*See Supplement section for UL detail &
*See Supplement section for UL detail &
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:
Model
Throw &
Schematics:
Model
S41F
S42F
S43F
S31F
S32F
S33F
S32F
S42F
R
R
4PST
*Approvals
*Approvals
1
3PST
C
C
US
US
1
3
Keyway
Keyway
4
(30.0)
Pole &
Throw
Pole &
Throw
1.181
4PDT
4PDT
3PST
3PDT
3PDT
3
4PST
(36.5)
1.437
4
6
ON 1-3 4-6 7-9 10-12
ON 2-3 5-6 8-9 11-12
ON 2-3 5-6 8-9 11-12
7
ON
ON
ON
THREE POLE WITH QUICK CONNECT
FOUR POLE WITH QUICK CONNECT
6
.240
(6.1) Dia
Keyway
25°
7
Down
1-3 4-6 7-9
2-3 5-6 8-9
2-3 5-6 8-9
.236
(6.0) Dia
Toggle Position/Connected Terminals
25°
Keyway
Down
9
10
Toggle Position/Connected Terminals
(17.5)
.689
M12 P1
9
www.nkk.com
(17.5)
.689
M12 P1
INTERNAL
CONNECTION
(12.0)
.472
12
Medium/High Capacity Standard Size Toggles
Center
NONE
NONE
OFF
INTERNAL
CONNECTION
(12.0)
.472
NONE
NONE
Center
OFF
OFF
ON
ON
(33.3)
3PDT
1.311
4PDT
OFF
(33.1)
1.303
ON 2-1 5-4 8-7 11-10
ON 2-1 5-4 8-7 11-10
2-1 5-4 8-7
2-1 5-4 8-7
3
3
(11.0)
.433
Up
(7.9)
.311
S31F does not have terminals 2, 5, & 8
(11.8)
.465
S41F does not have terminals 2, 5, 8, & 11
2
(7.9)
.311
.060
1
(1.5) Dia Typ
2
.295
(7.5) Typ
(6.35) Typ
.250
(0.8) Typ
.031
—
1
Up
.060
(1.5) Dia Typ
.295
(6.35) Typ
(7.5) Typ
.250
6
(0.8) Typ
.031
6
5
5
125V
25A
25A
25A
AC
4
(COM)
9
8
7
—
(COM)
4
12
11
10
9
9
Resistive
Electrical Capacity
250V
125V
25A
25A
25A
9A
9A
9A
9
AC
8
7
AC
8
5
6
4
7
8
Electrical Capacity
Resistive
7
12
250V
9A
9A
9A
2
AC
3
1
6
5
4
20A
20A
20A
11
30V
DC
(33.8)
1.331
Note: Terminal numbers
20A
20A
20A
30V
2
3
1
10
DC
Inductive
(34.2)
1.346
AC 125V
Note: Terminal
PF 0.6
Panel Thickness:
.181” (4.6mm)
10A
10A
10A
Inductive
AC 125V
are on the switch
PF 0.6
Panel Thickness:
10A
10A
10A
.181” (4.6mm)
Maximum
Maximum
numbers are
on the switch
(3.0) Dia
.118
(12.5) Dia
.492
of Throw
of Throw
.354
(3.0) Dia
.118
(9.0)
Angle
Angle
25°
25°
30°
α =
25°
25°
30°
α =
(12.5) Dia
.492
.354
(9.0)