S21A NKK Switches, S21A Datasheet - Page 2
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S21A
Manufacturer Part Number
S21A
Description
SW TOGGLE DPST 15A SOLDER LUG
Manufacturer
NKK Switches
Series
Sr
Type
Toggler
Specifications of S21A
Circuit
DPST
Switch Function
On-Off
Contact Rating @ Voltage
15A @ 125VAC
Actuator Type
Standard Round
Actuator Length
17.50mm
Illumination
Non-Illuminated
Mounting Type
Panel Mount
Termination Style
Solder Lug
Bushing Thread
M12
Body Style
Standard
Contact Form
DPST
Current, Rating
15 A
Dielectric Strength
2000 VAC
Mounting Hole Size
0.453 "
Number Of Poles
2
Number Of Positions
2
Operation
On-None-Off
Special Features
Medium Capacity
Termination
Solder
Voltage, Rating
250/30 VAC/VDC
Pole Throw Configuration
DPST
Switch Configuration
ON None OFF
Actuator Style
Toggle
Current Rating (max)
15A
Ac Voltage Rating (max)
250VVAC
Dc Voltage Rating (max)
30VVDC
Contact Material
Silver Alloy/Copper
Contact Plating
Silver
Mechanical Life
50000
Product Height (mm)
53.2mm
Product Depth (mm)
18.6mm
Operating Temperature Min Deg. C
-10C
Product Length (mm)
31.2mm
Operating Temperature Max Deg. C
70C
Mounting Style
Panel Mount with Threads
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
S21A-RO
S21A-RO
S21A-RO
NKK Switches
Electrical Capacity (Resistive & Inductive Load)
Other Ratings
Materials & Finishes
Environmental Data
Installation
Standards & Certifications
Soldering Time & Temperature:
Maximum Panel Thickness:
Operating Temp Range:
Insulation Resistance:
Stationary Contacts:
Movable Contactor:
Angle of Throw (α):
Contact Resistance:
Movable Contacts:
Dielectric Strength:
Mounting Torque:
C-UL Recognized:
Mechanical Life:
UL Recognized:
CSA Certified:
Electrical Life:
Power Level:
Case Cover:
Terminals:
Bushing:
Sealing:
Toggle:
Case:
GENERAL SPECIFICATIONS FOR S1 ~ S29
Shown in the following tables
10 milliohms maximum
1,000 megohms minimum @ 500V DC
2,000V AC minimum for 1 minute minimum
30,000 operations minimum for S5AW, S8AW, S9AW, S25AW, S28AW, S29AW
50,000 operations minimum for all other models
25,000 operations minimum
Shown in tables on following pages
Brass with chrome plating
Brass with chrome plating
Phenolic resin
Steel with zinc plating
Copper with silver plating
Silver alloy capped on copper with silver plating
Silver alloy capped on copper with silver plating
Brass with tin plating for S1 ~ S9AW;
brass with silver plating for S21 ~ S29AW
–30°C through +70°C (–22°F through +158°F) for Splashproof models;
–10°C through +70°C (+14°F through +158°F) for all other models
Splashproof & lever lock panel seal models meet IP67 standard
1.47Nm (13 lb
2.94Nm (26 lb
Shown beneath panel cutout in switch dimension drawings
Manual Soldering: See Profile A in Supplement section.
Designated with UL recognized symbol beside part numbers on following pages
See Supplement section to find UL rating details. 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
See Supplement section to find C-UL rating details. 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
See Supplement section to find CSA rating details. File No. 023535-0-000
Add “/C” to end of part number to order CSA mark on switch.
Medium Capacity Standard Size Toggles
•
•
in) for single nut on AW & AL models
in) for double nut on other models
Series S