Series CW Miniature Power Rockers
B12
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
Illuminated PB
Slides Programmable
B
Rockers
Touch Tilt Toggles
www.nkkswitches.com
General Specifications
Electrical Capacity
Power Level: For Resistive Load 6A @ 250V AC
Other Ratings
Contact Resistance: 20 milliohms maximum
Insulation Resistance: 500 megohms minimum @ 500V DC
Dielectric Strength: 1,500V AC minimum between contacts for 1 minute minimum
3,000V AC minimum between contacts & case for 1 minute minimum
Mechanical Life: 30,000 operations minimum
Electrical Life: 10,000 operations minimum with Resistive Load & 6,000 operations with Inductive Load
Nominal Operating Force: 2.50N
Angle of Throw: 30° Operating Temperature Range: –10°C ~ +70°C (+14°F ~ +158°F)
Materials & Finishes
Rocker: Polycarbonate Stationary Contacts: Silver alloy
Housing: Polyamide Base: Laminated thermosetting sheets
Movable Contactor: Brass with silver alloy plating Contact Terminals: Copper with silver plating
Movable Contacts: Silver alloy Common Terminals: Brass with silver plating
Electrical Capacity
Power Level: For Resistive Load 6A @ 250V AC
Other Ratings
Contact Resistance: 20 milliohms maximum
Insulation Resistance: 500 megohms minimum @ 500V DC
Dielectric Strength: 1,500V AC minimum between contacts for 1 minute minimum
3,000V AC minimum between contacts & case for 1 minute minimum
Mechanical Life: 30,000 operations minimum
Electrical Life: 10,000 operations minimum with Resistive Load & 6,000 operations with Inductive Load
Nominal Operating Force: 6.50N for single pole models; 10.0N for double pole models
Angle of Throw: 30° Operating Temperature Range: –10°C ~ +70°C (+14°F ~ +158°F)
Materials & Finishes
Rocker: Polycarbonate Stationary Contacts: Silver alloy
Housing: Polyamide Base: Laminated thermosetting sheets
Movable Contactor: Beryllium copper w/silver alloy plating Terminals: Brass with silver plating
Movable Contacts: Silver
Electrical Capacity
Power Level: For Resistive Load 6A @ 125V AC; 3A @ 250V AC; 4A @ 30V DC
Other Ratings
Contact Resistance: 20 milliohms maximum
Insulation Resistance: 1,000 megohms minimum @ 500V DC
Dielectric Strength: 1,000V AC minimum between contacts for 1 minute minimum
1,500V AC minimum between contacts & case for 1 minute minimum
Mechanical Life: 50,000 operations minimum
Electrical Life: 25,000 operations minimum
Nominal Operating Force: 2.0N
Angle of Throw: 30° Operating Temperature Range: –25°C ~ +70°C (–13°F ~ +158°F)
Materials & Finishes
Rocker: Glass fiber reinforced polyamide Base: LCP (Liquid Crystal Polymer)
Housing: Polyamide Contact Terminals: Brass + silver with silver plating
Movable Contactor: Phosphor bronze w/silver plating Common Terminals: Brass with silver plating
Movable Contacts: Silver alloy
CWSB
CWT
CWSA
Series CW
Miniature Power Rockers
B13
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries PushbuttonsIlluminated PBSlides Programmable Toggles
B
Rockers
Touch Tilt
www.nkkswitches.com
Distinctive Characteristics
CWSA
Low cost molded rocker.
See-saw contact mechanism
Stable stationary contact construction for high reliability.
Easily installed with snap-in mounting.
Large terminal hole dimensioned .067” x .098”
(1.7mm x 2.5mm) simplifies wiring and soldering.
Wave Soldering (PC version): See Profile A in Supplement section.
Manual Soldering: See Profile A in Supplement section.
CWSB
Low cost molded rocker.
Snap-acting contact mechanism gives smooth actuation and audible
feedback.
Stable stationary contact construction for high reliability.
Front panel, snap-in mounting for labor-saving installation.
Solder lug/quick connect terminals can be used with
connectors.
Manual Soldering: See Profile B in Supplement section.
CWT
Low cost molded rocker in compact, slim design.
See-saw contact mechanism
Outstanding insulation resistance and dielectric strength.
Dust proof construction protects contact area.
Stable stationary contact construction for high reliability.
Front panel, snap-in mounting for labor-saving installation.
Terminals are molded in and epoxy sealed to lock out flux,
dust, and other contaminants.
Manual Soldering: See Profile A in Supplement section.
Series CW Miniature Power Rockers
B14
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
Illuminated PB
Slides Programmable
B
Rockers
Touch Tilt Toggles
www.nkkswitches.com
STANDARDS & CERTIFICATIONS
CWSA
Specific CWSA models listed below are qualified for Underwriters Laboratories Inc.
recognition and Canadian Standards Association certification. cULus marking on
case is standard as noted in following table.
Model Ratings @ AC cULus File No. Marking on Case
CWSA11 6A @ 250V E44145 Standard
CWSA12 6A @ 250V E44145 Standard
CWSB
Specific CWSB models listed below are qualified for Underwriters Laboratories Inc.
recognition and Canadian Standards Association certification. cULus marking on
case is standard as noted in following table.
Model Ratings @ AC cULus File No. Marking on Case
CWSB11 6A @ 250V E44145 Standard
CWSB21 6A @ 250V E44145 Standard
CWT
Specific CWT model listed below is qualified for Underwriters Laboratories Inc.
recognition and Canadian Standards Association certification. cULus marking on
case is standard as noted in following table.
Model Ratings @ AC cULus File No. Marking on Case
CWT12 6A @ 125V E44145 Standard
3A @ 250V
Series CW
Miniature Power Rockers
B15
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries PushbuttonsIlluminated PBSlides Programmable Toggles
B
Rockers
Touch Tilt
www.nkkswitches.com
Terminals
SSolder Lug
HRight Angle
PC
CWSA
Circuits
1ON NONE OFF
2ON NONE ON
TYPICAL ORDERING EXAMPLE
CWSA11AANS
A
Pole
1SPST &
SPDT
11
TYPICAL SWITCH ORDERING EXAMPLES
Cap Color
ABlack
A
Housing
ABlack
Inscription
For SPST & SPDT
No
Code None
For SPST
1Horizontal
2Vertical
3Dot Marking
N S
Terminals
FQuick
Connect
HRight
Angle PC
2
CWSB
Circuit
1ON NONE OFF
TYPICAL ORDERING EXAMPLE
CWSB21AA2F
A
Poles
1SPST
2DPST
12
Cap Color
ABlack
A
Housing
ABlack
Inscription
No
Code
None
(SPST only)
1Horizontal
2Vertical
3Dot Marking
(SPST only)
F
Terminals
S1 Solder Lug
S1
CWT
Circuit
2ON NONE ON
TYPICAL ORDERING EXAMPLE
CWT12AAS1
A
Pole
1SPDT
21
Cap Color
ABlack
A
Housing
ABlack
Series CW Miniature Power Rockers
B16
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries Pushbuttons
Illuminated PB
Slides Programmable
B
Rockers
Touch Tilt Toggles
www.nkkswitches.com
TYPICAL SWITCH DIMENSIONS FOR CWSA
CWSA12AANS
Right Angle Single Pole • Horizontal On-Off Inscription
Solder Lug Single Pole • No Inscription
CWSA11AAN1H
INSCRIPTIONS
None
Not available in
double pole.
No
Code Horizontal Orientation
Only On-None-Off models
are available with the
horizontal inscription.
1Vertical Orientation
Only On-None-Off models
are available with the
vertical inscription.
2Dot Marking
Only Single Pole On-None-
Off models are available
with the dot inscription.
3
The IEC symbols for On-Off are supplied with Single Throw models only. Orientation of inscription must be selected.
Inscription color is white ink on black.
Panel Thickness
.030” ~ .079”
(0.75mm ~ 2.0mm)
(20.8)
.819
(15.5)
.610
(10.2)
.402
(14.8)
.583
30°
(13.3)
.524
(2.0)
.079
(0.2)
.008
(15.6)
.614
(2.9)
.114
(0.8)
.031
(7.0) Typ
.276
(17.0)
.669
(0.5) Typ
.020
(1.7) x (2.5) Typ
.067 x .098
(5.5)
.217 NKK P/N This Side
11b1a
1b
1
1a
(12.9)
.508
(3.0)
.118
(18.5)
.728
(12.3)
.484
(20.8)
.819
(15.5)
.610
(10.2)
.402
(14.8)
.583
(12.0)
.472
(1.2)
.047
(16.0)
.630
(14.0)
.551
(2.0)
.079
(5.5)
.217
(12.3)
.484
(12.9)
.508
1a 11b
(0.8) Typ
.031
(18.5)
.728
(7.0) Typ
.276
(12.9)
.508
(19.2)
.756
(14.0)
.551
(1.8) Dia Typ
.071
1b 11a
Terminal numbers
are on side
of switch body
Terminal numbers are
on side of switch body
Single throw model does
not have terminal 1b
Single throw model does
not have terminal 1b
Series CW
Miniature Power Rockers
B17
Indicators
AccessoriesSupplement Tactiles KeylocksRotaries PushbuttonsIlluminated PBSlides Programmable Toggles
B
Rockers
Touch Tilt
www.nkkswitches.com
CWT12AAS1
Single Pole • No Inscription Solder Lug
TYPICAL SWITCH DIMENSIONS FOR CWSB
CWSB21AA2F
Single Pole • Dot Inscription Right Angle
Double Pole • Vertical On-Off Inscription Quick Connect
CWSB11AA3H
Footprint
DPST
Panel Thickness
.030” ~ .079”
(0.75mm ~ 2.0mm)
TYPICAL SWITCH DIMENSIONS FOR CWT
Panel Thickness
.030” ~ .079”
(0.75mm ~ 2.0mm)
Footprint
SPST
.831
(15.8)
.622
(10.6)
.417
(15.1)
0
(12.9)
.508
(19.2)
.756
(5.0)
.197
(4.9)
.193
(1.8) Dia Typ
.071
11a
(5.0)
.197
(4.9)
.193
(4.7)
.185
(1.8) Dia Typ
.071
2a
1
2
1a
(15.8)
.622
(10.6)
.417
(15.1)
.594
(21.1)
.831
0
(17.8)
.701
(0.8)
.031
(22.5)
.886
(14.2)
.559
(1.0)
.039
(2.0)
.079
(5.7)
.224
2a 2
11a
(2.5) Typ
.098
(4.0) Typ
.157
(1.3) Typ
.051
(4.9)
.193
(5.0)
.197
(4.0)
.157
(12.9)
.508
(12.6)
.496
12
1a2a
(16.2)
.638
(9.0)
.354
(4.8)
.189
(6.8)
.268
(19.2)
.756
(17.4)
.685
(18.6
)
.732
30°
NKK P/N This Side
(5.7)
.224
(12.9
)
.50
8
(2.0)
.079
(1.0)
.039
(8.1)
.319
(16.2)
.638
(2.65)
.104
(5.0)
.197
(4.0)
.157
(2.3) Dia Typ
.091
(1.6) Dia Typ
.063
12
1a2a
(2.5) Typ
.098
(4.0) Typ
.157
(4.75) Typ
.187
(0.8) Typ
.031
(12.6)
.496
(12.9)
.508
Terminal numbers are
on bottom of switch
Terminal numbers are
on bottom of switch
Terminal numbers
are on side
of switch body
(5.0)
.197
(21.0)
.827
(6.8)
.268
(2.0) Ty
p
.079
1
2
3
30°
NKK P/N This Side
(5.5)
.217
(0.8) Typ
.031
(1.1) x (2.0) Typ
.043 x .079
(4.7) Typ
.185
(18.0)
.709
(1.5)
.059
(15.5)
.610
(3.5)
.138
(13.45)
.530
123