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Miniature Power Rockers Series CW
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.
www.nikkaiswitches.com • Nihon Kaiheiki • Phone 81-44-813-8008 • Fax 81-44-813-8038 3-07
Miniature Power Rockers Series CW
General Specifications
CWSA 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°
Materials & Finishes
Rocker: Polycarbonate Stationary Contacts: Silver alloy
Housing: Polyamide Base: Laminated thermosetting sheets
Movable Contactor: Brass w/silver alloy plating Contact Terminals: Copper with silver plating
Movable Contacts: Silver Common Terminals: Brass with silver plating
CWSB 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°
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
CWT 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°
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
www.nikkaiswitches.com • Nihon Kaiheiki • Phone 81-44-813-8008 • Fax 81-44-813-8038 3-07
Miniature Power Rockers Series CW
STANDARDS & CERTIFICATIONS
CWSA
Specific CWSA models listed below are qualified for Underwriters Laboratories Inc.
recognition and Canadian Standards Association certification. C-UL marking on case
is standard as noted in following table.
R
Model Ratings @ AC C-UL File No. Marking on Case
CWSA11 6A @ 250V WOYR8.E44145 Standard
CWSA12 6A @ 250V WOYR8.E44145 Standard
CWSB
Specific CWSB models listed below are qualified for Underwriters Laboratories Inc.
recognition and Canadian Standards Association certification. C-UL marking on case
is standard as noted in following table.
R
Model Ratings @ AC C-UL File No. Marking on Case
CWSB11 6A @ 250V WOYR8.E44145 Standard
CWSB21 6A @ 250V WOYR8.E44145 Standard
CWT
Specific CWT model listed below is qualified for Underwriters Laboratories Inc.
recognition and Canadian Standards Association certification. C-UL marking on case
is standard as noted in following table.
R
Model Ratings @ AC C-UL File No. Marking on Case
CWT12 6A @ 125V WOYR8.E44145 Standard
3A @ 250V
www.nikkaiswitches.com • Nihon Kaiheiki • Phone 81-44-813-8008 • Fax 81-44-813-8038 3-07
Miniature Power Rockers Series CW
TYPICAL SWITCH ORDERING EXAMPLES
CWSA 1 1 A A N S
POLE CIRCUITS CAP COLOR INSCRIPTION TERMINALS
SPST & 1 ON NONE OFF A Black For SPST & SPDT S Solder Lug
1
SPDT
2 ON NONE ON No
None Right
Code H
Angle PC
HOUSING For SPST
A Black 1 Horizontal
TYPICAL ORDERING EXAMPLE 2 Vertical
CWSA11AANS 3 Dot Marking
CWSB 2 1 A A 2 F
POLES CAP COLOR HOUSING INSCRIPTION TERMINALS
1 SPST A Black A Black No None Quick
Code
F
(SPST only) Connect
2 DPST
CIRCUIT
1 Horizontal Right
1 ON NONE OFF H
Angle PC
2 Vertical
Dot Marking
3
(SPST only)
TYPICAL ORDERING EXAMPLE
CWSB21AA2F
CWT 1 2 A A S1
TYPICAL ORDERING EXAMPLE
POLE CIRCUIT HOUSING CWT12AAS1
1 SPDT 2 ON NONE ON A Black
CAP COLOR TERMINALS
A Black S1 Solder Lug
www.nikkaiswitches.com • Nihon Kaiheiki • Phone 81-44-813-8008 • Fax 81-44-813-8038 3-07
Miniature Power Rockers Series CW
INSCRIPTIONS
No
Code None
1 Horizontal Orientation
2 Vertical Orientation
3 Dot Marking
Only On-None-Off models Only On-None-Off models Only Single Pole On-None-
Not available in
are available with the are available with the Off models are available
double pole.
horizontal inscription. vertical inscription. with the dot inscription.
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.
TYPICAL SWITCH DIMENSIONS FOR CWSA
Solder Lug Single Pole • No Inscription
(5.5) (12.3)
.217 NKK P/N This Side .484
(1.7) x (2.5) Typ
.067 x .098
1b
1b
(0.8)
(20.8) .031
.819 (17.0)
.669 1 (18.5) (19.2)
30° .728
1
(15.5) (13.3) .756
(7.0) Typ
.610 .524 .276
1a
1a
(0.5) Typ
.020
(10.2) (3.0) (12.9)
(2.0) (0.2) .508
.402 .079 .008 .118
(14.8) (15.6) (2.9) (12.9)
.583 .614 .114 .508
Terminal numbers Panel Thickness
are on side .030” ~ .079”
CWSA12AANS of switch body (0.75mm ~ 2.0mm)
Right Angle Single Pole • Horizontal On-Off Inscription
(14.8) (12.9) 1b 1 1a
.583 .508
(10.2)
.402 (12.3)
.484 (1.8) Dia Typ
(12.0) (14.0) .071
.472 .551
1a 1 1b
(15.5) (2.0) (14.0) (1.2) (0.8) Typ (7.0) Typ
.610 .079 .551 .047 .031 .276
(20.8) (5.5) (16.0) (18.5)
.819 .217 .630 .728
Single throw model does Terminal numbers are
CWSA11AAN1H not have terminal 1b on side of switch body
www.nikkaiswitches.com • Nihon Kaiheiki • Phone 81-44-813-8008 • Fax 81-44-813-8038 3-07
Miniature Power Rockers Series CW
TYPICAL SWITCH DIMENSIONS FOR CWSB
Quick Connect Double Pole • Vertical On-Off Inscription
(2.5) Typ
NKK P/N This Side (2.3) Dia Typ .098
(5.7) .091
(4.0) Typ
.224 (1.6) Dia Typ .157
.063 (4.75) Typ
.187
2 1
(4.0) (18.6)
(21.1) (15.8) 30° .157 .732 (19.2)
.831 .622 (12.9) (5.0) (17.4) .756
.508 .197 .685
2a 1a
0
(12.9)
(2.65) (0.8) Typ .508
.104 .031
(10.6) (2.0) (1.0) (12.6)
.417 .079 .039 .496
(15.1) (16.2) (8.1) (12.9)
.594 .638 .319 .508
Panel Thickness
Terminal numbers are .030” ~ .079”
CWSB21AA2F on bottom of switch (0.75mm ~ 2.0mm)
Right Angle Single Pole • Dot Inscription
1 1a
(4.9)
.193 (5.0) (1.8) Dia Typ
.071
.197
2a 2
(4.0) Typ Footprint
(12.9) 2a .157
SPST
(10.6)
2
.417
0 .508
(15.1) (12.6)
1
.594 .496
(2.5) Typ
1a
(4.0) .098
1a 1
.157
(2.0) (14.2) (1.0) (1.3) Typ 2 2a
.079 .559 .039 .051 (4.7)
(15.8) (17.8) (0.8) (4.9)
.622 .193
1 1a .185
.701 .031
(21.1) (5.7) (22.5) (5.0) (4.9)
.831 .224 .886 .197 .193 (5.0) (1.8) Dia Typ
.071
.197
Footprint
Terminal numbers are DPST
CWSB11AA3H on bottom of switch
TYPICAL SWITCH DIMENSIONS FOR CWT
Solder Lug Single Pole • No Inscription
NKK P/N This Side
(5.5) (1.1) x (2.0) Typ (5.0)
.217 .043 x .079 .197
(0.8) Typ
.031
3
3
(16.2) (18.0) 2 (21.0) (19.2)
30°
2
.638 (4.7) Typ .709 .827 .756
(13.45) .185
.530 1
1
(4.8) (1.5) (2.0) Typ (6.8)
.189 .059 .079 .268
(9.0) (15.5) (3.5) (6.8)
.354 .610 .138 .138
Terminal numbers Panel Thickness
are on side .030” ~ .079”
CWT12AAS1 of switch body (0.75mm ~ 2.0mm)
www.nikkaiswitches.com • Nihon Kaiheiki • Phone 81-44-813-8008 • Fax 81-44-813-8038 3-07
