S303-RO NKK Switches, S303-RO Datasheet

S303-RO

Manufacturer Part Number

S303-RO

Description

Toggle Switches SPDT ON-OFF-ON 15A

Manufacturer

NKK Switches

Series

Datasheets

1.S301.pdf (11 pages)

2.S303-RO.pdf (4 pages)

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

Current page: 1 of 4
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NKK Switches • email: sales@nkkswitches.com • Phone (480) 991- 0942 • Fax (480) 998-1435 • www.nkkswitches.com

• Standard Hardware: AT503 Face Hex Nut, AT506 Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section.

• Solder lug terminal hole accommodates one 10-gauge solid or stranded wire.

Model

S301

S302

S303

S305

S308

S309

Electrical Capacity (Resistive & Inductive Load)

Other Ratings

Materials & Finishes

Installation

Throw &

Schematics:

S301

Movable & Stationary Contacts:

Approvals

Soldering Time & Temperature:

—

Insulation Resistance:

SPST

Angle of Throw

Movable Contactor:

Contact Resistance:

Dielectric Strength:

Pole &

Mounting Torque:

Throw

SPDT

SPST

Mechanical Life:

Keyway

Electrical Life:

Power Level:

Case Cover:

Terminals:

Bushing:

(16.0)

.630

MOM

Toggle:

GENERAL SPECIFICATIONS FOR S301 ~ S339

Case:

Keyway

Down

(α)

Toggle Position/Connected Terminals

INTERNAL

CONNECTION

1-3

2-3

Shown in the following tables

10 milliohms maximum

1,000 megohms minimum @ 500V DC

2,000V AC minimum for 1 minute minimum

50,000 operations minimum

15,000 operations minimum for S331s; 25,000 operations minimum for all others

Shown on following tables

PBT for fl atted 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

2.94Nm (26 lb

Manual Soldering: 4 seconds maximum @ 410°C maximum

SINGLE POLE WITH SOLDER LUG

Medium Capacity Standard Size Toggles

.240

(6.1) Dia

32°

NONE

Center

OFF

(17.5)

.689

•

in) for double nut; 1.47Nm (13 lb

M12 P1

SPDT

MOM

(12.0)

.472

OFF

(17.4)

.685

2-1

—

2 (COM)

S301 does not have terminal 2.

(3.2) Dia Typ

.126

125V

15A

.378

.236

(9.6) Max

(6.0) Typ

.063

(1.6) Typ

•

in) for single nut

Resistive

Electrical Capacity

250V

Note: Terminal numbers are actually on the switch.

20A

30V

(28.5)

1.122

Series S

Inductive

AC 125V

PF 0.6

10A

Max. Panel Thickness:

.185” (4.7mm)

(3.0) Dia

.118

of Throw

(12.5) Dia

.492

Angle

.354

32°

(9.0)

3-05

Related parts for S303-RO

S303-RO Summary of contents

Page 1

... Terminals: Installation Mounting Torque: Soldering Time & Temperature: Toggle Position/Connected Terminals Down Pole & Keyway Model Approvals Throw S301 SPST ON R S302 SPDT ON R S303 SPDT ON R S305 — SPDT ON S308 — SPDT MOM S309 — SPDT ON Throw & SPST Schematics: ...

Page 2

... Solder lug terminal hole accommodates one 12-gauge solid or stranded wire. Keyway (9.0) .354 S331R NKK Switches • email: sales@nkkswitches.com • Phone (480) 991- 0942 • Fax (480) 998-1435 • www.nkkswitches.com Medium Capacity Standard Size Toggles DOUBLE POLE WITH SOLDER LUG Center Up ...

Page 3

... Toggle Position/Connected Terminals Down Pole & Keyway Model Approvals Throw S301T SPST ON R S302T SPDT ON R S303T SPDT ON R S305T — SPDT ON S308T — SPDT MOM S309T — SPDT ON Throw & SPST Schematics • Standard Hardware: AT503 Face Hex Nut, AT506 Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section. ...

Page 4

... Standard Hardware: AT503 Face Hex Nut, AT506 Locking Ring, AT508 Lockwasher, AT527M Backup Hex Nut. See Accessories & Hardware section. Keyway (19.0) .748 S332F NKK Switches • email: sales@nkkswitches.com • Phone (480) 991- 0942 • Fax (480) 998-1435 • www.nkkswitches.com Medium Capacity Standard Size Toggles SINGLE POLE WITH QUICK CONNECT Center Up ...

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