A22L-DG Omron, A22L-DG Datasheet - Page 10

• Manufacturer Part Number: A22L-DG
• Description: SWITCH UNIT PB SQUARE/GUARD GRN
• Manufacturer: Omron

Specifications of A22L-DG

• Accessory Type: Full Guard Operational Unit
• For Use With/related Products: A22 Series
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: A22LDG

Technical Information
Technical Information
A Pushbutton Switch is a switch designed so that its contacts are opened and closed by depressing and releasing a pushbutton on the Switch in
the direction of its axis. Pushbutton Switches come in two categories: lighted and non-lighted. The structure of a typical Lighted Pushbutton
Switch is shown below. Broadly speaking, Lighted Pushbutton Switches are made up of the 5 sections shown below. Non-lighted Pushbutton
Switches are made up of 4 sections, the 5 sections shown below less the light source.
Structure of Typical Lighted Pushbutton Switch
8
Momentary operation
Alternate operation
Push-pull operation
Push-lock, turn-reset operation
Terms for Configuration and Structure
Terms for Operating Action
Terminal
Movable
piece
Opens and closes electric circuit.
Movable
spring
Mounting Section
Used to secure the
body of the Switch to
the mounting panel.
Operation
Mounting panel
Switch
Pushbutton
Case
Movable
contacts
The pushbutton returns to its original position after it is released.
The first time the pushbutton is pressed, an internal lock mechanism holds it in the same
position. The next time it is pressed, the lock is released and the pushbutton returns to its
original position.
When the pushbutton is pressed, an internal lock mechanism holds it in the same position. The
pushbutton is returned to its original position when the pushbutton is pulled to release the lock.
When the pushbutton is pressed, an internal lock mechanism holds it in the same position. The
pushbutton is returned to its original position when the pushbutton is twisted to release the
lock.
Explanation
Pushbutton surface (illuminated surface)
Technical Information
Pushbutton
Transmits external
force/movement to
the Switch.
Light Source
Controls the light
indication.
Case
Protects internal
mechanisms.