AT4178JC NKK Switches, AT4178JC Datasheet - Page 10

• Manufacturer Part Number: AT4178JC
• Description: CAP RND CLR/RED FOR LB LED SER
• Manufacturer: NKK Switches
• Series: LBr
• Type: Cap, Roundr

Specifications of AT4178JC

• Switch Type: Pushbutton
• Shape: Round
• Color: Clear, Red
• Illumination: Illuminated
• Mounting Type: Snap Fit
• Size: 19.00mm Dia x 4.50mm H
• Height: 10 mm
• Length: 19 mm
• Body Style: Round Shaped
• Brand/series: LB Series
• Diameter: 0.748 in.
• Material, Body: Polycarbonate
• Used With: LB Series
• For Use With/related Products: LB Series
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: LB Series

D
Series LB
Cap Height
When
Assembled
D56
(20.5)
.807
Materials: PVC with polyethylene gasket; PVC loses pliability below 0°C (32°F). Dust Covers reduce depth of switch behind panel by .020” (0.5mm).
AT4057
Rectangular
Protective Guard
Opens 90°
Closes manually
AT4172
Rectangular
Protective Guard
(N) = Number of switches
AT4002
Round
Material: Polyamide
AT4172
(21.0) Dia
.827
(10.5)
.413
(16.2)
.638
.287
(7.3)
(26.6)
1.047
(2.5)
.098
(22.4)
.882
* Minimum dimension allows opening of cover to 180
(21.8) Dia
.858
(26.6)
1.047 (N)
(30.0) Dia
1.181
Protective Guards reduce depth of switch behind panel by .020” (0.5mm).
AT4001
Square
OPTIONAL ACCESSORIES
(39.0) Min*
1.535
Spring Loaded Protective Guard
Cap Height
When
Assembled
www.nkk.com
°
(15.0) Sq
.591
(20.5)
Protective Guard
.807
Dust Covers
(10.5)
.413
.287
(7.3)
Opens 180°
Closes automatically
Materials:
Cover: Clear Polycarbonate
Base: Black GFR Polyamide
Coil Spring: Stainless Steel
Recommended Panel Thickness:
.039” ~ .106” (1.0mm ~ 2.7mm)
(26.0)
1.024
.098
(2.5)
(24.6)
.969
Standard Size Snap-in Pushbuttons
(26.6)
1.047
(10.0)
.394
(24.0) Sq
.945
Cap Height
When
Assembled
Cap Height
When
Assembled
AT4011
Rectangular
(8.0)
.315
(16.5)
.650
.295
(7.5)
(22.7)
.894
(20.4)
.803
(24.15)
.951
180°
(30.2)
1.189
(24.1)
.949
(14.0)
.551
(16.5)
.650
.280
(7.1)
(21.0)
(24.0)
.945
.827
(17.9)
.705