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

Pushbutton, Series WSA57M

ITW Lumex Switch, WSA57M series is a pushbutton switch in 16mm 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: 16mm
  • 5A@28VDC, 5A@125/250VAC
  • Solder/PC Terminal & wire leads
  • Snap Action: Momentary/Maintained
  • Operation Temperature: -40 to 85℃
  • SPDT: 1 NO / 1 NC
  • IP67 waterproof
  • UL61580 Certify
  • 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.
    Dot, Halo/Ring and standby power logo indication is optional
    LED Color: Green, Blue, Red, White, Yellow …
    Panel cutout 16mm
    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
WSA57M Series
Circuitry Normal open & Normal Close
Snap Action
Contact Silver plated is standard
Gold plated as optional
  • 5A@28VDC, 5A@125/250VAC

WSA57M Series items
PN Termination Housing Material Illumination LED Color
WSA57M-213N Maintained, Solder Zinc Alloy, Chrome Plated Power / Standby Logo N/A

WSA57M Series

Touch Switch
Micro Switch
Rocker Switch