Switches & Pilot Devices
Signaling Lights
Relays & Sockets
Timers
Contactors
Terminal Blocks
Circuit Breakers
ø16mm - LB Series
Switches & Pilot Devices
498
www.IDEC.com
Replacing the Lens
Standard Bezel
From the opposite side of the TOP marking, remove the operator (lens, marking
plate, and lens holder) using the optional lens removal tool (MT-101) by gripping
the recesses of the color lens. Removing from the TOP side may damage the
metallic bezel.
Removing the Operator (standard bezel)
Flush Bezel
From the opposite side of the TOP marking, push the tip of the flat screwdriver to
the groove of the color lens and pull out the operator (lens, marking plate, lens
holder). Removing from the TOP side may damage the metallic bezel.
Removing the Operator (flush bezel)
Replacing the Marking Plate
Remove the marking plate by pushing the lens from the rear to disengage the
latches between the lens and holder, using the screwdriver as shown below.
Note: A transparent film inside the lens holder is attached to the unit to make it waterproof and cannot
be removed.
2. Insert a marking plate into the color lens, and press the lens onto the lens
holder to engage the latches. Pay attention to the orientation of the marking
plate.
Engage
Recesses
Latches
Engraving
Surface
Color Lens
Marking
Plate
Lens
Holder
Lens Unit and Contact Block Installation
To insert the lens unit into the operator, press in the lens unit by making sure
that the latch on the operator is aligned with the latch on the lens unit.
Latch
Latch
Operator
Recess
TOP
TOP
Latch
Latch
Round lens unit
Square lens unit
Standard Bezel
Latch
Latch
Operator
Recess
TOP
TOP
Latch
Latch
Round lens unit
Square lens unit
Flush Bezel
Latch
Latch
Round Lens Unit
Square Lens Unit
Latch
Operator
Recess
TOP
TOP
Latch
Marking Plates and Films
For illuminated pushbuttons and pushbuttons with illuminated lens, legends and
symbols can be engraved on the marking plates, or printed film can be inserted
under the lens for labelling purposes.
Marking Plate and Marking Film Size
Lens
Round
Square
Rectangular
Built-in
Marking
Plate
Engraving
Area
ø
12.0
12.0
ø13.7
0.8
12.0
Engraving
Area
0.8
13.7
Engraving
Area
18.0
12.0
0.8
19.7×13.7
• Engraving must be made on the engraving area within 0.5 mm deep.
• The marking plate is made of white acrylic resin.
Applicable
Marking
Film
ø13.6
11.8
ø13.6
19.6
13.6
• Film thickness: 0.1 mm per film
• Marking film is not included.
• Recommended marking film: Polyester film
Marking Plate and Film Insertion Order
Lens
Film
Marking
Plate
Lens
Holder
Operator
Engraved Surface
TOP
The marking plate must be engraved on thespecified side as shown above. Pay
attention to the orientation of the marking plate.