D2SW-P Omron Corporation, D2SW-P Datasheet - Page 6

• Manufacturer Part Number: D2SW-P
• Description: Sealed Subminiature Basic Switch
• Manufacturer: Omron Corporation

■ Correct Use
Mounting
Turn OFF the power supply before mounting or removing the Switch,
wiring, or performing maintenance or inspection. Failure to do so may
result in electric shock or burning.
Use M2.3 mounting screws with plane washers or spring washers to
securely mount the Switch. Tighten the screws to a torque of 0.23 to
0.26 N·m {2.3 to 2.7 kgf·cm}. Exceeding the specified torque may
result in deterioration of the sealing or damage.
Mount the Switch onto a flat surface. Mounting on an uneven surface
may cause deformation of the Switch, resulting in faulty operation or
damage.
Operating Body
Use an operating body with low frictional resistance and of a shape
that will not interfere with the sealing rubber, otherwise the plunger
may be damaged or the sealing may deteriorate.
With the pin plunger models, set the Switch so that the plunger can
be pushed in from directly above. Since the plunger is covered with a
rubber cap, applying a force from lateral directions may cause dam-
age to the plunger or reduction in the sealing capability
.
Handling
Do not handle the Switch in a way that may cause damage to the
sealing rubber.
When handling the Switch, ensure that uneven pressure or, as
shown in the following diagram, pressure in a direction other than the
operating direction is not applied to the Actuator, otherwise the Actu-
ator or Switch may be damaged, or durability may be decreased.
Wiring Molded Lead Wire Models
When wiring molded lead wire models, ensure that there is no weight
on the wire or that there are no sharp bends near the parts where the
wire is drawn out. Otherwise, damage to the Switch or deterioration
in the sealing may result.
Operating Stroke Setting
Set the operating stroke so that the actuator is completely disen-
gaged when the switch is in the free position (FP), and is pushed to a
point between 60% and 90% of the OT distance after the switch is
operated.
Insufficient or excessive pushing of the actuator may result in
decreased switch durability or damage to the switch.
Using Micro Loads
Using a model for ordinary loads to open or close the contact of a
micro load circuit may result in a faulty contact. Use models that
operate in the following range. However, even when using micro load
models within the operating range shown below, if inrush current
occurs when the contact is opened or closed, it may increase contact
wear and so decrease durability. Therefore, insert a contact protec-
tion circuit where necessary. The minimum applicable load is the
N-level reference value. This value indicates the malfunction refer-
ence level for the reliability level of 60% (λ60).
6
Sealed Subminiature Basic Switch
Incorrect
Correct
Incorrect
D2SW-P
The equation, λ60 = 0.5 x 10
mated malfunction rate is less than 1/2,000,000 operations with a
reliability level of 60%.
30
24
12
5
0
0.1
0.16mA
Inoperable
range
1mA
Operating range for
micro load models
D2SW-P01
1
-6
/operations indicates that the esti-
10
26mA
100mA 160mA
100mA
100
Current (mA)
Operating
range for
general-load
models
D2SW-P2
1,000