Lumex Inc.
U.S.: 1-800-278-5666
ASIA: 886-3-5821124

Pushbutton, Series WSA48

ITW Lumex Switch WSA48 series is a pushbutton switch in 12mm, Plastic or metal housing/bezel, lighting indication pushbutton. Support with SPST, Normal open and Normal close, Terminal and wire leads harness options. The panel mounting can reach to IP67 waterproof, wire leads harness even offer bottom sealing to offer high pull out force and harsh environment application.


Key Features:

  • Size: 12mm
  • 5A@28VDC
  • Solder/PC Terminal & wire leads
  • Snap Action: Momentary/Maintained
  • Operation Temperature: -40 to 85℃
  • SPDT: 1 NO / 1 NC
  • IP67 waterproof
  • UL61580 Certify


  • Office equipment
  • Medical equipment
  • Industrial machinery
  • Mass transportation
  • Food processing equipment
  • Outdoor Controls
  • Joystick Controls
WSA48 Series
WSA48 Series
WSA48 Series
Circuitry Normal open & Normal Close
Snap Action
Contact Silver plated is standard
Gold plated as optional
Rating 5A, 28VDC
Temperature range -40 to 85℃
-25 to 85℃
-25 to 65℃
Button Plastic button
Color: Black, Red, Green, Blue, Yellow, White
Bezel Plastic bezel: Black color with round shape
type Momentary or Maintain (latching) as optional
Waterproof > IP67
> waterproof Silicon CAP is optional for application
Connection Terminals and wire leads
> Through-hole terminal
> Solder terminal
> wire leads
Indication Lighting indication.
Dot and standby power logo indication is optional
LED Color: Green, Blue, Red, White, Yellow …
Panel cutout 12mm
Mounting Panel Mounting
Certify, Compliance UL 61058 Certify
RoHS compliance
Reach compliance

Other WSA48 Series items
PN Termination Bezel Type LED Color Button Color Mounting Type
WSA48-1-RB-B-BK-B Momentary, Solder Round, Black Blue Black Bushing
WSA48-1-RB-N-BK-B Momentary, Solder Round, Black N/A Black Bushing
WSA48-1-RB-N-HRD-B Momentary, Solder Round, Black N/A Red Bushing
WSA48-1-RB-N-RD-B Momentary, Solder Round, Black N/A Red Bushing
WSA48-2-RB-N-BL-B Maintained, Solder Round, Black N/A Blue Bushing
WSA48-B-RB-N-GR-B Maintained, No Wire Leads Round, Black N/A Green Bushing

WSA48 Series

Touch Switch
Micro Switch
Rocker Switch