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GB® GSW-21 Pushbutton Switch, 125/250 VAC, 4/8 A, SPST

ECM Industries, LLC


GB® GSW-21 Pushbutton Switch, 125/250 VAC, 4/8 A, SPST

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Gardner Bender™ switches are available in many different styles and sizes. They are used in countless applications, from basic ON-OFF to multifunction applications. Most of our electrical switches are suitable for marine, industrial or automotive applications. They are available in a variety of characteristics including actuator type, handle shape, body construction and size, terminal type, voltage rating, sealing properties and illumination. Gardner Bender™ switches are leading the industry in quality and durability.


  • Maintained-contact, pushbutton switch for easy and secure operation
  • Push-on and push-off SPST circuitry
  • 10 A/125 VAC and 4 A/250 VAC or 1/3 hp at 125 VAC
  • 6 in 18 AWG wire leads
  • Black finish coordinates with most decors

Additional Resources


Voltage Rating125/250
Amperage Rating4/8
Contact ConfigurationSPST
Number of Poles1
Wire Size18
Dielectric Strength1500
Temperature Rating105
Housing ColorBlack
ManufacturerECM Industries, LLC