WL/WLM
Structure and Nomenclature
Structure
General-purpose Switches: WLCA2
Head-mounting Screws
Actuator
Roller
Head
The roller is made of self-lubricating
The Head used in the roller lever type,
adjustable rod lever type, or horizontal
plunger type (except for 90° operation
models) can be mounted in any of the
four directions by removing the screws
at the four corners of the Head.
sintered stainless steel and boasts
high resistance to wear.
Lever
The lever forged of anti-corrosive
aluminium alloy features high corrosion
resistances and outstanding ruggedness.
With roller lever, adjustable rod and
flexible rod models, the actuator position
can be set anywhere within 360°. (The
lever cannot be mounted in the opposite
direction.)
Shaft Section Seal
By fitting an O-ring to the rotary shaft
and with an appropriate interference
of the screws, high-sealing properties
are maintained.
Roller Lever Setscrew
Operational Plunger *2
Set Position Marker Plate
After operation, set the indicator needle
on the marker plate so that is in the
convex section of the bearing. For the
WLD2, insert the needle so that it is
between the two main wires on the
plunger.
Bearing
The bearing smooths the
plunger movement.
Built-in Switch
Built-in switch with SPST-NO+NC
contact form.
Requires maintenance
(excessive overtravel)
Proper range
Requires maintenance (insufficient overtravel)
Proper range
Requires maintenance
(excessive overtravel)
Terminal Screws
Four, M4 screws
Separator
Cover Seal
The separator has outstanding insulation
properties and prevents the generation of any
gases which may corrode the internal parts.
By using a packing seal as the cover seal,
an optimum squeeze can be obtained and
high sealing properties are assured as well.
Conduit Opening *1
Cover
The conduit threads are parallel threads
for G½ tube and offer further increased
sealing properties when used in
conjunction with the SC connector.
Cover Setscrew
Phillips screws are used
to ensure ease of use.
*1. The display for conduit threads has changed from PF½ to G½, according to revisions of JIS B 0202. This is only a change in the display, so the thread size and
pitch have not changed. (Conduit threads Pg 13.5 and ½-14NPT are also available.)
*2. By changing the orientation of the operational plunger, any one of the three operational directions (both sides, left, or right) can be selected electrically.
23
OMRON [ OMRON ELECTRONICS LLC ]
