Lumex Inc.
U.S.: 1-800-278-5666
ASIA: 886-3-5821124
Pushbuttons - 19mm, Metal
Current Rating
mA 2A 5A 10A
Series W48M
Series WG48M Series WSA48M Series WH48M
Series WS48M

Pushbutton, Series WSA48M

ITW Lumex Switch, WSA48M series is a pushbutton switch in 19mm metal housing/bezel, lighting indication pushbutton. Support with SPST, Normal open and normal close circuitry and Terminal and wireleads harness options. The panel mounting can reach to IP67 water proof, wireleads harness even offer bottom sealing to offer high pull out force and harsh environment application.


Key Features:

  • Size: 19mm
  • 5A@28VDC, 5A@125/250VAC
  • Solder & wire leads
  • Snap Action: Momentary/Maintained
  • Operation Temperature: -40 to 85℃
  • SPDT: 1 NO / 1 NC
  • IP67 waterproof
  • UL61580 Certify(WSA48M)
  • Temperature range -40 to 85℃
    -25 to 85℃
    -25 to 65℃
    Button Metal button: stainless, stainless plated, aluminum anoided
    Non-lighted, Halo/Ring, Standby Power logo, special icon
    Bezel Metal Bezel: Stainless, Zinc Alloy plated, Aluminum anoided
    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.
    Halo/Ring and standby power logo indication is optional
    LED Color: Green, Blue, Red, White, Yellow …
    Panel cutout 19mm
    Mounting Panel Mounting
    Certify, Compliance UL 61058 Certify
    RoHS compliance
    Reach compliance


  • Office equipment
  • Medical equipment
  • Industrial machinery
  • Mass transportation
  • Food processing equipment
  • Outdoor Controls
  • Joystick Controls
WSA48M Series
WSA48M Series
WSA48M Series
WSA48M Series
WSA48M Series
Circuitry Normal open & Normal Close
Snap Action
Contact Silver plated is standard
Gold plated as optional
  • 5A@28VDC, 5A@125/250VAC

WSA48M Series items
PN Termination Housing Material Illumination LED Color Voltage Resistor
WSA48M-A10N Momentary, NO/NO Wireleads Stainless Steel, Natural Non-illumination N/A
WSA48M-B13W12 Maintained, NO/NO Wire leads Stainless Steel, Natural Power / Standby Logo White 12V Forward

WSA48M Series

Pushbuttons - 19mm, Metal
Current Rating
mA 2A 5A 10A
Series W48M
Series WG48M Series WSA48M Series WH48M
Series WS48M

Panel hole size Material Current Rating
mA 2A 5A 10A
ɸ12mm Metal Series W12M
Series WS12M
Series W59M
Series W88
Series WS88
Series W48
Series WS48
(Plastic and Metal)
Series WG48
(Plastic and Metal)
Plastic Series W49 Series WSA48
ɸ16mm Metal Series W57M
Series WD57M
Series WS57M
Series WG57M Series WSA57M Series WH57M
Plastic Series W50 Series WG50 Series WSA50
ɸ22mm Metal Series W58M
Series WS58M
Series WG58M Series WSA58M Series WH58M
Series W76-94

Touch Switch
Micro Switch
Rocker Switch