Download Specifications

Series SCB
Toggles
Snap Switch Pushbuttons
GENERAL SPECIFICATIONS
Electrical Capacity
Caps & Shrouds:
Plunger:
Bushing:
Case:
Movable & Stationary Contacts:
Terminals:
Standards & Certifications
Keylocks
UL: Internal snap switch is UL recognized.
CSA: Internal snap switch is CSA certified.
TYPICAL SWITCH ORDERING EXAMPLE
2
5
P
15
A
Poles
DPDT
For Momentary
Terminals
Circuits
5
ON
(ON)
6
ON
ON
( ) = Momentary
A
.187” (4.75mm) Quick Connect
*B
.250” (6.35mm) Quick Connect
3
.520” (13.2mm) Diameter Cap
For Momentary & Alternate Action
Note: Contact factory for availability of
screw lug and solder lug models.
* Available in Americas only
4
Round Cap & Shroud
(AT454 & AT455)
5
Rectangular Cap & Shroud
(AT452 & AT453)
Bushings
P
Plastic (with
momentary only)
S
Steel
Colors
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
15A
DPDT
ON-(ON) Circuit
Caps
Shrouds
A
Black
A
B
White
B
Round Red Cap with
Black Shroud
C
Red
–
F
Green
–
Plastic Bushing
G
Blue
–
H
Gray
H
SCB25P15A-4CA
Rating
15
Tactiles
2
Caps & Shrouds
Tilt
SPDT
CA
.187” (4.75mm)
Quick Connect
Terminals
15A Rating
Supplement
1
4
Slides
SCB
Pushbuttons
Rockers
Polycarbonate with glossy finish or PBT
Polyacetal or brass with nickel plating
Steel with zinc plating or glass fiber reinforced polyamide
Polyester
Silver alloy
Brass with silver plating
Note: Standard hardware is provided with caps. See Bushing detail for more information.
www.nkk.com
Touch
C
Programmable Illuminated PB
Materials & Finishes
15 milliohms maximum
100 megohms minimum @ 500V DC
1,000V AC minimum between contacts for 1 minute minimum;
1,500V AC minimum between contacts & case for 1 minute minimum
1,000,000 operations minimum
50,000 operations minimum
Pretravel .047” (1.19mm); Overtravel .040” (1.01mm); Differential .011” (0.27mm)
–40°C through +85°C (–40°F through +185°F)
Rotaries
Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Travel: Operating Temp Range: Indicators
Other Ratings
Resistive Load: 15A & 1⁄2 HP @ 125 or 250V AC for high capacity models
Lamp Load: 5A @ 125V AC
Accessories
C131
Series SCB
Toggles
Snap Switch Pushbuttons
POLES & CIRCUITS
Normal
Pole
Model
SP
SCB15
SCB16
Connected Terminals
Down
Normal
Keyway
Throw & Schematics
Down
Note: Terminal numbers are
actually on the switch.
Keyway
C
ON
ON
(ON)
ON
1-2
1-3
SPDT
1
DP
SCB25
SCB26
ON
ON
(ON)
ON
1-2 1-2
2
3
SP with
2 switches
1-3 1-3
2
3
1
1
2
3
BUSHINGS
P
Plastic
(for Momentary only)
Rotaries
Keylocks
Programmable Illuminated PB
Pushbuttons
Rockers
Plunger Position
( ) = Momentary
S
Steel
“A” =
11.2mm
Momentary
(10.0)
.394
15.5mm
Alternate Action
Slides
A
(12.5) Dia
.492
Tactiles
(11.5)
.453
(12.5) Dia
.492
(11.5)
.453
Maximum Effective Panel Thickness:
.165” (4.2mm) without Shroud
(1.5)
.060
(1.5)
.060
.157” (4.0mm) with Shroud
Maximum Effective Panel Thickness:
Momentary: .177” (4.5mm) without Shroud
.157” (4.0mm) with Shroud
Tilt
Alternate Action:.354” (9.0mm)
Standard Hardware Provided with Caps
Touch
Cap Option 3: AT504M Knurled Face Nut, AT508 Lockwasher, AT527M Hex Mounting Nut
Cap Options 4 & 5: AT508 Lockwasher & AT527M Hex Mounting Nut
A
.187” (4.75mm)
Quick Connect
B
(9.78)
.385
(3.18)
.125
Supplement
Accessories
Indicators
TERMINALS
C132
(10.16)
.400
.250” (6.35mm)
Quick Connect
(8.38)
.330
(4.06)
.160
(4.75)
.187
Thk = (0.5)
.020
(10.54)
.415
(6.35)
.250
Thk = (0.81)
.032
www.nkk.com
Series SCB
Toggles
Snap Switch Pushbuttons
TYPICAL SWITCH DIMENSIONS
NC 2
NO 3
(4.75)
.187 (3.18)
.125
(1.02)
.040 (13.97)
.550
(9.78)
.385
(10.16)
.400
(22.23)
.875
(28.0)
1.102
(28.83)
1.135
C
COM
1
(13.2) Dia
.520
(11.0)
.433
(14.2)
.559
CL
(7.85) Max
.309
(10.3)
.406
(21.6)
.850
Keyway
(11.2)
.441
Programmable Illuminated PB
M12 P1
(4.5)
.177
(10.16)
.400
(18.0)
.709
SCB15S15A-3C
Round Cap & Shroud • .187” (4.75mm) Quick Connect
(1.02)
.040 (13.97)
.550
(9.78)
.385
(10.16)
.400
(22.23)
.875
(28.2)
1.110
(28.83)
1.135
COM
1
(17.7) Dia
.697
(24.0) Dia
.945
(2.0)
.079
NO 3
(7.85) Max
.309
M12 P1 (10.3)
.406
(0.6)
.024
(22.1)
.870
(12.0)
.472
(21.2)
.835
Rotaries
NC 2
Slides
Shown with (4.0) Panel
.157
(4.75) Typ
.187
(3.18)
.125
(5.84)
.230
(0.5) Typ
.020
Tactiles
(14.0)
.551
Pushbuttons
(5.84)
.230
(0.5) Typ
.020
Keylocks
CL
Rockers
.520” (13.2mm) Dia. Cap • .187” (4.75mm) Quick Connect
(20.32)
.800
(27.0)
1.063
Tilt
SCB25P15A-4CA
(8.08)
.318
(0.81) Typ
.032
NC 2
NO 3
M12 P1
(6.35) Typ
.250
(4.06)
.160
(1.02)
.040 (14.35)
.565
(8.38)
.330
(10.54)
.415
(22.23)
.875
(28.4)
1.118
(28.83)
1.135
COM
1
(19.4)
.764
Indicators
Shown with (4.0) Panel
.157
Accessories
(20.7)
.815
Touch
Rectangular Cap & Shroud • .250” (6.35mm) Quick Connect
(26.2)
1.031
(2.0)
.079
(12.0)
.472
(10.3)
.406
(21.6)
.850
(7.85) Max
.309
(20.32)
.800
(48.1)
1.893
Supplement
Keyway
(15.4)
.606
(21.0)
.827
(27.0)
1.063
SCB26S15B-5CA
www.nkk.com
C133
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