Omron D4C Datasheet page 12

Nomenclature
Standard Models
Roller Lever Models Without Indicator
Weather-resistant Models
Roller Lever Models Without Indicator
Roller
The roller is made of self-lubricating sintered
stainless steel and boasts high resistance to
wear.
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. The
O-ring is made of silicone rubber and is resis-
tant to temperature changes and adverse
weather conditions.
Head-mounting
Screw
Diaphragm
The diaphragm is made of silicone rubber
and is resistant to temperature changes
and adverse weather conditions.
Cable
Vinyl cabtire cable and is resistant
to adverse weather conditions.
F-20
Enclosed Switch
O ring
(NBR)
Built-in switch
D4C
Roller
Lever
O ring
(NBR)
Diaphragm (NBR)
Protective cap (NBR)
Ground terminal
Molded resin
Cable
Lever
The lever forged of anti-corrosive aluminium
alloy features high corrosion resistances
and outstanding ruggedness.
Roller Lever Setscrew
This screw is made of stainless steel and has high
corrosion resistance.
Rotary Shaft
The shaft is made of stainless steel
decreasing the likelihood of rusting.
Built-in Switch
Both standard load and microload models available.