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Structure, Names, and Functions
Structure
Safety-oriented Lever Setting
(Form-lock construction)
Grooves which engage the lever are cut in the lever and
rotary shaft to prevent the lever from slipping against the
rotary shaft.
There are resin-lever and metal-lever types.
Built-in Switch
The built-in switch has a direct opening mechanism
that forcibly separates the NC contact even when
there is contact deposit.
Cover
The cover, with a hinge on its lower part, can
be opened by removing the screw of the
cover, which ensures ease of maintenance
and wiring.
Direct Opening Mechanism
1NC/1NO Contact (Slow-action)
Contact spring
Return spring
2NC Contact (Slow-action)
Contact spring
Return spring
G-226
Conforms to EN60947-5-1 Direct Opening Operation
Fixed contact (NC)
(Only the NC contact side has a direct opening
Movable contact
mechanism.)
Fixed contact (NO)
When metal deposition occurs, the contacts are
separated from each other by the plunger being
Plunger
pushed in.
Fixed contact (NC)
Conforms to EN60947-5-1 Direct Opening Operation
Movable contact
(Both NC contacts have a direct opening
Plunger
mechanism.)
Head
The direction of the switch head can be varied to any of
the four directions. (Roller plunger models can be
mounted in either of two directions at a 90˚ angle.)
Conduit Opening
A wide variety of conduits is available.
Size
1-conduit
Pg13.5
Yes
G1/2
Yes
1/2-14NPT
Yes
M20
Yes
M12 connector
Yes
Note: M12 connector types are not available for
Switches with three contacts.
Safety Sensors / Components
2-conduit
Yes
Yes
Yes
Yes
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