AT494 NKK Switches, AT494 Datasheet - Page 4

• Manufacturer Part Number: AT494
• Description: PROTECTIVE GUARD KB SER SQ&RND
• Manufacturer: NKK Switches
• Type: Protective Guardr
• Series: ATr

Specifications of AT494

• Accessory Type: Protective Guard
• Height: 11.5 mm
• Length: 19 mm
• Mounting Style: SMD/SMT
• Termination Style: Snap On
• Width: 19 mm
• Brand/series: KB Series
• Switch Type: Push Button Switch
• Operating Temp Range: -25C to 70C
• For Use With/related Products: KB Series - Square/Round
• For Use With: 360-2019 - SWITCH PB ILLUM DPDT ALT GRN SLD360-2018 - SWITCH PB ILLUM DPDT ALT AMB SLD360-2017 - SWITCH PB ILLUM DPDT ALT RED SLD360-2013 - SWITCH PB ILLUM DPDT ALT GRN SLD360-2012 - SWITCH PB ILLUM DPDT ALT AMB SLD360-2011 - SWITCH PB ILLUM DPDT ALT RED SLD360-2010 - SWITCH PB ILLUM DPDT MOM GRN SLD360-2009 - SWITCH PB ILLUM DPDT MOM AMB SLD360-2008 - SWITCH PB ILLUM DPDT MOM RED SLD360-2004 - SWITCH PB ILLUM DPDT MOM GRN SLD360-2003 - SWITCH PB ILLUM DPDT MOM AMB SLD360-2002 - SWITCH PB ILLUM DPDT MOM RED SLD360-2001 - SWITCH PB ILLUM SPDT ALT GRN SLD360-2000 - SWITCH PB ILLUM SPDT ALT AMB SLD360-1999 - SWITCH PB ILLUM SPDT ALT RED SLD360-1995 - SWITCH PB ILLUM SPDT ALT GRN SLD360-1994 - SWITCH PB ILLUM SPDT ALT AMB SLD360-1993 - SWITCH PB ILLUM SPDT ALT RED SLD360-1992 - SWITCH PB ILLUM SPDT MOM GRN SLD360-1991 - SWITCH PB ILLUM SPDT MOM AMB SLD360-1990 - SWITCH PB ILLUM SPDT MOM RED SLD360-1986 - SWITCH PB ILLUM SPDT MOM GRN SLD360-1985 - SWITCH PB ILLUM SPDT MOM AMB SLD360-1984 - SWITCH PB ILLUM SPDT MOM RED SLD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 360-1004

NKK Switches • email: [e-mail] • Phone [phone] • Fax [phone]
Pole
DP
SP
Keyway
Without
K
K
S
Housing available in black only. Shroud is an integral part of the switch body.
.551" Square
.551" Square
Model
KB15
KB16*
KB25
KB26*
Panel thicknesses, when using optional accessories, are shown with the accessories at the end of this KB section.
* When in latchdown position for the alternate circuit, cap position is 1.4mm (.055") above the built-in bezel.
The bezel is an integral part of the switch body. One mounting nut AT057 supplied with each switch.
(
Normal
(12.3) Dia
.484
Plunger Position
ON
ON
ON
ON
) = Momentary
Bushing Mounting
Panel Thickness:
(.020 ~ .315")
0.5 ~ 8mm
Down
(ON)
(ON)
ON
ON
The bezel is an integral part of the switch body.
SHAPES & MOUNTING TYPES
M
C
POLES & CIRCUITS
.551" Round
.551" Round
2-3 5-6
Normal
Connected Terminals
2-3
Bushing Mounting
Snap-In Mounting
HOUSING
Panel Cutouts
.071
(1.8)
(12.3) Dia
.484
Miniature Pushbuttons
(4.9)
.193
2-1 5-4
Down
2-1
Keyway
With
DPDT
SPDT
Notes: Switch is marked with "+" and "-".
Throw & Power/Lamp Schematics
Panel Thickness:
Lamp circuit is isolated and requires
external power source.
(.039 ~ .138")
1.0 ~ 3.5mm
N
R
3
3
www.nkkswitches.com
.551" x .728" Rectangular
.551" x .728" Rectangular
2
(COM)
Snap-In Mounting
1
2 (COM)
6
1
Series KB
5
.047
(1.2) R
.268
(6.8)
4
L (+)
L (+)
(12.3) Dia
.484
(-) L
(-) L
12-02