ITW Switches 49-59121 SPST Momentary Pushbutton Switch, Black
IP67-rated ITW 49-59121 SPST switch with solder terminals. Ideal for aerospace & industrial uses. 16mm panel cut-out.
The ITW Switches 49-59121 is a single-pole single-throw (SPST) momentary action sealed pushbutton switch, featuring a solder terminal, round bezel, and a black button. Designed to fit a 16mm panel cut-out, it utilises a snap-fit retaining mechanism for secure installation. The switch boasts a maximum current rating of 10A and SPDT-DB contacts for versatile circuit compatibility, including reliable DC load switching.
Constructed from PBT (Polybutylene Terephthalate), this switch offers durability and is suitable for surface printing, sublimation, or engraving. The front-mounted design is secured with an M16 nut (requiring a 20mm spanner) and includes a sealing washer for IP67-rated ingress protection—fully sealed against dust and water. For optimal sealing, tighten to a recommended torque of 1-1.5Nm (max 2Nm).
Key Specifications
- Travel Distance: 2.3mm (nominal)
- Temperature Range: Up to +105°C
- Contact Configuration: SPST-NO-DB (Double Break)
- Panel Cut-out Diameter: 16.1mm
- Actuator Style: Round domed
- Mounting: Panel mount with solder lug terminals
- IP Rating: IP67 (fully sealed)
Applications
- Communications & Networking
- Sensing & Instrumentation
- Aerospace
- Defence & Military
Engineered for reliability in demanding environments, this switch combines robust construction with precise electrical performance.
- Communications & Networking
- Sensing & Instrumentation
- Aerospace
- Defence & Military
- Contact Current AC Max: 400mA
- Contact Voltage VAC: 32V
- Contact Current DC Max: 100mA
- Contact Voltage VDC: 50V
- Switch Operation: Momentary
- Actuator Colour: Black
- Terminal Type: Solder Lug
- Illumination: Non-Illuminated
- Material: PBT thermoplastic
- Weight: 10g
Always follow local regulations and product guidance. Use appropriate PPE.
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