Steel alloy
spring
Self-locking tolerance
compensation
ribs for tight fit
Crisp detent actuation
Nylon button
with attractive
matte finish
Durable silver alloy
contacts for long life
at heavy loads
Standard terminals
.187 (4.8mm) wide x .031 (0.8mm) thick
(other sizes and types available)
Features
20 amp switching in a compact design
Lighted and non-lighted versions
Available in a variety of colors
Self-locking tabs and
anti-rotation pin for snug fit
Mechanical life: min. 50,000 operations
®
MINIATURE ROUND ROCKER SWITCH
SR Series
Specifications
Electrical
Dielectric Strength: 1000VAC for 1 minute
Insulation Resistance: 108ohms min at 500VDC
Initial Contact Resistance: 0.020 ohms max
Temperature Range: -20°C to + 65°C
Materials
Actuator (non-lighted): Nylon 66 94V-2
Actuator (lighted): Polycarbonate
Base: Nylon 66 94V–2
Contacts: Silver Alloy
Movable Arm: Silver-Plated Copper Alloy
Terminals: Tin-Plated Copper Alloy
Electrical Ratings
Electrical Life at Rated Load
Switch According to VDE According to UL
Series EN61058 Rating UL1054 Rating (Min. Operations) (Min. Operations)
SR N/A 20A, 125VAC; 12A, 250VAC N/A 6,000
®
Contact
Call, fax or visit our website
for more information.
Cherry Electrical Products
11200 88th Avenue
Pleasant Prairie, WI 53158
Phone: 800 927 6298
Fax: 262 942 6566
Web: www.cherrycorp.com
© 2004 Cherry CorporationSpecifications subject to change without notice.
Ordering Information
Dimensions inches (mm)
0.31
(0.80)
ø0.063
ø(1.60)
0.187
(4.80)
ø0.780 (ø19.8)
0.079 (2.00)
0.031
(0.80)
0.031
(0.80)
0.276
(7.00)
0.030 (7.60)
0.539
(13.80)
0.142
(3.6) REF
Code Terminal Type inches (mm)
A 0.187 (4.80) Quick-Connect
Code Actuator Type
3 Round
Code Lighted
N Non-Lighted
L Lighted (125VAC)
E Lighted (250VAC)
Code Body Type
N No Rocker Boot
Code Housing Color
B Black
CBrown
E Charcoal Grey
W White
YGrey
Code Actuator Color
A Amber
B Black
G Green
RRed
W White
YGrey
Code Actuator Marking
B Blank
C
D
EO I
FO
G•
HI O I I
Code Contact Rating
J 20A, 125VAC;
12A, 250VAC (UL, cUL)
SR J 2 4 A 3 H B B N N
Series Code Circuitry
2 Single-Pole
Code Switch Function
2 On – Off
3 On – On
4 On – Off – On
OFF
ON
LO
HI
Panel Cut-Out Dimensions
for Panel Thickness inches (mm)
0.039 to 0.078 (1.0 to 2.0)
Examples of Common Part Numbers and Descriptions inches (mm)
Actuator/
Switch Housing Legend
Part Number Circuitry Function Terminal Type Color Marking
SRJ22A3BBBNN On – Off 0.187 (4.80) Black/
Quick-Connect Black
SRJ23A3BBBNN On – On 0.187 (4.80) Black/
Quick-Connect Black
SRJ24A3BBBNN On – Off – On 0.187 (4.80) Black/
Quick-Connect Black
SRJ22A3BBRLN On – Off 0.187 (4.80) Red/
(Lighted) Quick-Connect Black
SRJ22A3WWNN On – Off 0.187 (4.80) White/
Quick-Connect White
SRJ22A3FBBNN On – Off 0.187 (4.80) Black/
Quick-Connect Black
0.827±0.004
(21.00±0.10)
0.787+0.004
-0.000
20.00+0.10
-0.00
0.094±0.004
2.40±0.10