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AVT3/AVL3 (FS-T) Subminiature Switches

AV3/AVM3/AVT3/AVL3 (FS/FS-T) Subminiature Switches Caution for use

1.Regarding fastening of switch body

  • 1.To secure the switch, please use an M2.3 small screw on a flat surface and tighten using a maximum torque of 0.29 N·m. It is recommended that spring washers be used with the screws and adhesive be applied to lock the screws to prevent loosening of the screws.
  • 2.When the operation object is in the free position, force should not be applied directly to the actuator or pin plunger. Also force should be applied to the pin plunger from vertical direction to the switch.
  • 3.In setting the movement after operation, the Overtravel OT should be set not less than 70% as a standard. Setting the movement at less than 70% of OT may cause troubles such as mis-contact and welding due to small contact force of the switch.

In addition, even if FS type switch actuator is pushed to full limit of operating position, it does not affect product life. However, heavy impact and excessive loading should not be applied.

2.Soldering operation

  • 1.Manual soldering should be accomplished within 3 seconds with max. 350°C iron.
    Care should be taken not to apply force to the terminals during soldering.
  • 2.Terminal portions must not be moved in min.1 minute after soldering. Also no tensile strength of lead wires should be applied to terminals.

3.Environment

Locations where corrosive gases having a bad influence on contacts are present, and locations where there is an excessive amount of siliceous or other abrasive dust should be avoided.

4.Regarding connector connections (.110 quick connect terminals)

For making connections, a dedicated receptacle for .110 quick connect terminals should be used, and the terminals should be inserted parallel to the receptacle. Consideration should be given to mounting so that no tensile load is applied to the lead wires.

5.In making the switch selection

Consideration should be given to provide for no interference up to +20% variation of the standard characteristics values.

6.Please select Au-clad contact types when loads are in the low-level area of 1mA up to 100mA and 5V up to 30V.

See the diagram below for contact specification selection.

・Contact material reference chart classified by load voltage & current

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