A-120
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
Features/Benefits
•
IP68 sealed
•
1,000,000 life cycle
•
Multiple housing styles
•
Capable of up to 5A resistive load
•
Wirelead options available
•
RoHS compliant
Typical Applications
•
Harsh environments
•
Off-Road
•
Industrial
•
Transportation
•
Military
Specifications
FUNCTION: SPDT Double Break (Form Z) Momentary
CONTACT ARRANGEMENT: N.O. and N.C.
MOUNTING TYPE: Threaded front or rear mount and slot mount
TORQUE SPEC FOR THREADED BODY: Do not exceed 50 in-lbs
(5.65 N-m)
Mechanical
OPERATING LIFE: 1,000,000 cycles
TOTAL TRAVEL: 1.6 ± 0.15 mm
OPERATING POINT 0.9 ± 0.25 mm
OVER TRAVEL: 0.45 min.
OPERATING FORCE: 8N ± 1.5N
VIBRATION: 10-500 Hz 10g Max
SHOCK: 50g 11ms sawtooth wave
Electrical
CONTACT RATING:
Option G - Gold over Silver
10mA/5 VDC (1,000,000 cycles)
Option Q - Silver
1A/32 VDC resistive (100,000 cycles)
5A/32 VDC resistive (25,000 cycles)
3A/32 VDC resistive (25,000 cycles)
Electrical (cont.)
DIELECTRIC STRENGTH: 1000 V AC for 1 min.
INSULATION RESISTANCE: 1 G Ω @ 500 VDC
INITIAL CONTACT RESISTANCE 50 mΩ max (without wire leads)
BOUNCE TIME: <5 ms
Materials
HOUSING: 6061-T6 Aluminum, black or clear anodized
BASE: PBT
CAP: PBT
ACTUATOR: PBT
INTERNAL SEAL: Silicone rubber
TERMINALS: Copper with silver nickel inlay, silver plating
MOVABLE CONTACT: Copper alloy, gold over silver plating
TERMINAL SEAL: Epoxy
Operating Environment
OPERATING TEMPERATURE: -40˚C to +85˚C
ESD PROTECTION: 15KV min.
Process Environment
SEALING: IP68
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, please contact Customer Service.
Build-A-Switch
To order, simply select desired option from each category and place in the appropriate box.
Designation
NP NP Series
8 EPN
NP Series
Sealed Industrial Pushbutton Switch
Operating Force
8 8 Newtons
Actuator Style
S Standard
E Extended (D housing style only)
Actuator Color*
2 Black (STD)
3 Red
4 Orange
5 Yellow
9 Gray
Housing Style
T Standard threaded mount
L Long threaded mount
H Short threaded mount
S Slot mount
R Rear mount
D Dome bezel
P Tapered bezel
Contact Material
Q Silver (STD)
G Gold over silver
Terminal Seal
E Epoxy
All models are epoxy sealed
Termination
03 Solder Lug (STD)
02 PC Pin (G Contact Material)
W4 4x 12” 22 AWG UL1569 wire (overmolded)
W3 3x 12” 22 AWG UL1569 wire (overmolded)
Housing Anodizing Color
1 Clear anodized
2 Black anodized (STD)
* Please contact
Customer Service
for additional colors.
A-121
Dimensions are shown: mm (inches)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
Terminal Seal
E Epoxy
All models are epoxy sealed
ACTUATOR STYLE
NP Series
Sealed Industrial Pushbutton Switch
STANDARD VIEW
10.80
[0.425]
ACROSS FLATS
0.50
[0.020]
MAX
1.00
[0.039]
11.30 TYP
[0.445]
0.40TYP
[0.016]
20.10REF
[0.791]
9.00
[0.354]
11.90
[0.469]
6.60
[0.260]
0.40 TYP
[0.016]
2.60 TYP
[0.102]
5.39
[0.212]
15/32-32 UNS-2A
Third Angle
Projection
S
STANDARD
E
EXTENDED (D HOUSING STYLE ONLY)
OPERATING FORCE
ACTUATOR COLOR
OPTION
CODE OPERATING FORCE
8 8 N
OPTION
CODE ACTUATOR COLOR
2 Black
3 Red
4 Orange
5 Yellow
9 Gray
For additional colors please contact Customer
Service.
7.20
[0.283]
2.60
[0.102]
4.55
[0.179]
9.15
[0.360]
21
43
ELECTRICAL SCHEMATIC
N.C.
N.O.
1.50
[0.059]
9.55
[0.376]
15.40 TYP
[0.606]
0.50
[0.020]
MAX
11.35
[0.447]
TANGENT
TO FLAT
15.75
[0.620]
0.40 TYP
[0.016]
2X 3.05
[0.120]
2X 2.20
[0.087]
7.50
[0.295]
N.C.
7.50
[0.295]
N.O.
2.00
[0.079]
TYP
1.02
[0.040]
11.90
[0.469]
24.70REF
[0.972]
9.50
[0.374]
0.40TYP
[0.016]
2.60TYP
[0.102]
11.90
[0.469]
6.60
[0.260]
65.0°
4.50
[0.177]
0.70 TYP
[0.028]
17.70 TYP
[0.697]
27.20REF
[1.071]
2.70TYP
[0.106]
4.90
[0.19]
2X65.0°
2X 1.67 REF
[0.066]
2X 3.58 REF
[0.141]
7.90
[0.311]
4X 0.90
[0.035]
11.65
[0.459]
12.3
[0.484]
15/32-32 UNS-2A
PC TERMINALS
PC HOLE PATTERN
BOARD VIEW
N.C.
N.C.
N.O.
N.O.
PANEL CUTOUT
10.80
[0.425]
ACROSS FLATS
7.50
[0.295]
7.50
[0.295]
13.95
[0.549]
0.50
[0.020]
MAX
1.00
[0.039]
11.30 TYP
[0.445]
0.40TYP
[0.016]
2.00
[0.079]
TYP
20.10REF
[0.791]
9.00
[0.354]
11.90
[0.469]
6.60
[0.260]
0.40 TYP
[0.016]
2.60 TYP
[0.102]
65°
5.39
[0.212]
4.50
[0.177]
13.60 TYP
[0.54]
0.70 TYP
[0.028]
2.70 TYP
[0.106]
22.60REF
[0.890]
2X65.0°
7.90
[0.311]
4X 0.90
[0.035]
2X 1.67 REF
[0.066]
2X 3.58 REF
[0.141]
12.30
[0.484]
11.00
[0.433]
15/32-32 UNS-2A
2
1
4
3
N.O.
(3 & 4)
SCALE 9:1
N.C.
(1 & 2)
SCALE 9:1
EPOXY SEALED
PC TERMINALS
PC HOLE PATTERN
BOARD VIEW
N.C.
N.O.
N.C.
N.O.
PANEL CUTOUT
NP Series
Sealed Industrial Pushbutton Switch
HOUSING STYLE
T
STANDARD THREADED MOUNT
Third Angle
Projection
L
LONG THREADED MOUNT
A-122
Dimensions are shown: mm (inches)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
A-123
Dimensions are shown: mm (inches)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
NP Series
Sealed Industrial Pushbutton Switch
HOUSING STYLE
65.0°
7.90
[0.311]
0.90
[0.035]
2X 1.67
[0.066]
REF
2X 1.67
[0.066]
REF
11.65
[0.459]
12.30
[0.484]
2X 2.20
[0.087]
2X 3.05
[0.120]
1.02
[0.040]
0.40 TYP
[0.016]
1.50
[0.059]
0.50
[0.020]
MAX
11.35
[0.447]
TANGENT
TO FLAT
7.50
[0.295]
N.C.
7.50
[0.295]
N.O.
2.00 TYP
[0.079]
20.10REF
[0.791]
2.60
[0.102] 0.40
[0.016]
11.90
[0.469]
6.60
[0.260]
9.50
[0.374]
10.80
[0.43]
4.89
[0.192]
65.0°
15.75
[0.620]
11.90
[0.469]
4.50
[0.177]
0.70 TYP
[0.028]
22.60REF
[0.890]
2.70
[0.106]
13.10
[0.516]
4.90
[0.193]
15/32-32 UNS-2A
PC TERMINALS
PANEL CUTOUT
N.C.
N.C.
N.O.
N.O.
PC HOLE PATTERN
BOARD VIEW
H
SHORT THREADED MOUNT
11.90
[0.469]
1.50
[0.059]
11.90
[0.469]
3.40
[0.134]
4.40
[0.173]
10.80 TYP
[0.425]
0.40 TYP
[0.016]
7.50
[0.295]
N.O.
7.50
[0.295]
N.C.
15.85
[0.624]
11.90
[0.469]
ACROSS FLATS
2.00TYP
[0.079]
20.10REF
[0.791]
9.50
[0.374]
6.60
[0.260]
0.40TYP
[0.016]
2.60TYP
[0.102]
65°
4.50
[0.177]
0.70 TYP
[0.028]
13.10 TYP
[0.516]
22.60REF
[0.890]
4.90TYP
[0.193]
2.70TYP
[0.106]
7.90
[0.311]
2X 1.67 REF
[0.066]
2X 3.58 REF
[0.141]
4X 0.90
[0.035]
2X65.0°
PC TERMINALS
PC HOLE PATTERN
BOARD VIEW
N.C.
N.C.
N.O.
N.O.
S
SLOT MOUNT
Third Angle
Projection
11.90
[0.469]
17.50
[0.689]
7.05
[0.278]
2.45
[0.096]
11.30 TYP
[0.445]
11.35
[0.447]
TANGENT
TO FLAT
0.40 TYP
[0.016]
7.50
[0.295]
N.C.
7.50
[0.295]
N.O.
2.00 TYP
[0.079]
5.45
[0.215]
18.15 REF
[0.715]
0.50
[0.020]
MAX
0.40
[0.016]
65.0°
4.40
[0.173]
20.65 REF
[0.813]
0.70 TYP
[0.028]
13.60 TYP
[0.535]
2.70TYP
[0.106]
4.90
[0.193]
2X65.0°
7.90
[0.311]
4X 0.90
[0.035]
2X 1.67 REF
[0.066]
2X 3.58 REF
[0.141]
12.30
[0.484]
11.65
[0.459]
15/32-32 UNS-2A
EXTENDED CAP
PC TERMINALS
PC HOLE PATTERN
BOARD VIEW
N.C.
N.C.
N.O.
N.O.
PANEL CUTOUT
A-124
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
2.15
[0.085]
10.77
[0.424]
18.02 REF
[0.709]
7.45 TYP
[0.293]
4.50
[0.177]
7.50
[0.295]
N.C.
7.50
[0.295]
N.O.
2.00
[0.079]
7.75
[0.305]
10.85
[0.427]
ACROSS FLATS
8.15
[0.321]
14.30
[0.563]
0.40 TYP
[0.016]
8.62
[0.339]
0.50
[0.020]
MAX
0.40TYP
[0.016]
2.40TYP
[0.094]
2.60TYP
[0.102]
20.52 REF
[0.808]
9.75 TYP
[0.384]
0.70 TYP
[0.028]
1.20
[0.047]
4.90TYP
[0.193]
2.70TYP
[0.106]
7.90
[0.311]
2X 65.0°
2X 1.67 REF
[0.066]
2X 3.58 REF
[0.141]
4X 0.90
[0.035]
12.30
[0.484]
11.00
[0.433]
PANEL CUTOUT
15/32-32 UNS-2A
PC TERMINALS
PC HOLE PATTERN
BOARD VIEW
N.C.
N.C.
N.O.
N.O.
NP Series
Sealed Industrial Pushbutton Switch
HOUSING STYLE
Third Angle
Projection
R
REAR MOUNT
D
DOME BEZEL
A-125
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ckswitches.com
Pushbutton
A
2.15
[0.085]
13.15 TYP
[0.518]
7.75
[0.305]
10.00
[0.394]
5.07
[0.200]
10.80
[0.425]
7.50
[0.295]
N.C.
7.50
[0.295]
N.O.
14.27
[0.562]
10.80
[0.425]
ACROSS FLATS
4.50
[0.177]
7.30
[0.288]
18.02 REF
[0.709]
0.40 TYP
[0.016]
0.50
[0.020]
MAX
2.00
[0.079]
TYP
10.80
[0.425]
2.60TYP
[0.102] 0.40TYP
[0.016]
65°
0.70 TYP
[0.028]
15.45 TYP
[0.608]
20.52REF
[0.808]
4.90
[0.193]
2.70
[0.106]
2X65.0°
2X 1.67 REF
[0.066]
2X 3.58 REF
[0.141]
7.90
[0.311]
4X 0.90
[0.035]
12.30
[0.484]
11.00
[0.433]
15/32-32 UNS-2A
PC TERMINALS
N.C.
N.C.
N.O. N.O.
PC HOLE PATTERN
BOARD VIEW
PANEL CUTOUT
NP Series
Sealed Industrial Pushbutton Switch
HOUSING STYLE
P
TAPERED BEZEL
HOUSING ANODIZING COLOR
OPTION
CODE ANODIZING COLOR
1 Clear anodized
2 Black anodized (STD)
0.25
TYP
[0.010]
2.45
TYP
[0.096]
2.55
TYP
[0.100]
0.70
TYP
[0.028]
TERMINATION
03
SOLDER LUG (STD)
02
PC PIN (G CONTACT MATERIAL)
Third Angle
Projection
12.00
[0.472]
14.00
[0.551]
0.56
[0.022]
CHAMFER
2 SIDES
20.0°
14.17
[0.558]
ACROSS FLATS
1.98
[0.078]
0.89
[0.035]
15.06
[0.593]
12.12
[0.477]
0.53
[0.021]
15/32-32 UNS-2B THD
A-126
Dimensions are shown: mm (inches)
Specifications and dimensions subject to change
www.ckswitches.com
A
Pushbutton
Third Angle
Projection
OPTION
CODE CONTACT MATERIAL
Q Silver (STD)
G Gold over Silver
16.55
[0.652]
REF
302.80±12.70
[11.92±0.50]
14.70
[0.579]
REF
14.20
[0.559]
REF
9.65
[0.380]
REF
18.80
[0.740]
REF
14.70
[0.579]
REF
14.70
[0.579]
3 OR 4 WIRES
22 AWG UL1569
(SEE SCHEMATICS)
21
43
ELECTRICAL SCHEMATIC - 4 WIRES
RED
N.C.
WHITE
N.O.
RED
N.C.
WHITE
N.O.
21
43
ELECTRICAL SCHEMATIC - 3 WIRES
RED
N.C.
WHITE
N.O.
BLACK
COMMON
NP Series
Sealed Industrial Pushbutton Switch
TERMINATION
W4
4X 12” 22 AWG UL1569 WIRE (OVERMOLDED)
W3
3X 12” 22 AWG UL1569 WIRE (OVERMOLDED)
CONTACT MATERIAL
TERMINAL SEAL
E
EPOXY
All models are epoxy sealed
HARDWARE
PANEL GASKET
851D02000
HEX NUT
707100201 Nickel-plated
LOCKWASHER
700302202
