A165E
Safety Precautions
Be sure to read the precautions for all A165E models in the website at: http://www.ia.omron.com/.
Indication and Meaning for Safe Use
Using the Microload
• Insert a contact protection circuit, if necessary, to prevent the
reduction of life expectancy due to extreme wear on the contacts
caused by loads where inrush current occurs when the contact is
opened and closed.
Indicates a potentially hazardous situation
which, if not avoided, may result in minor
or moderate injury or in property damage.
CAUTION
• The A165E-@U (one-piece construction) allows both a standard
load (125 V at 1 A, 250 V at 0.5 A) and a microload. If a standard
load is applied, however, the microload area cannot be used. If the
microload area is used with a standard load, the contact surface
will become rough, and the opening and closing of the contact for
a microload may become unreliable.
Precautions
for Safe Use
Supplementary comments on what to do
or avoid doing, to use the product safely.
!CAUTION
If the Operation Unit is separated from the Switch Unit, the
equipment will not stop, creating a hazardous condition.
Always confirm that safety functions are operating before
starting operation.
• The minimum applicable load is the N-level reference value. This
value indicates the malfunction reference level for the reliability
level of 60% (λ 60) (conforming to JIS C5003).
• The equation, λ 60 = 0.5 x 10−6/time indicates that the estimated
malfunction rate is less than 1/2,000,000 with a reliability level of
60%.
Precautions for Correct Use
Mounting
0.15 mA
• Always make sure that the power is turned OFF before mounting,
removing, or wiring the Switch, or performing maintenance.
Electrical shock or fire may result if the power is not turned OFF.
• The tightening torque is 0.29 to 0.49 N·m.
Area of use
Wiring
• Be sure to use electrical wires that are a size appropriate for the
applied voltage and carry current. Perform soldering according to
the conditions given below. If the soldering is not properly
performed, abnormal heating may result, possibly resulting in fire.
1. Hand soldering: 30 W, within 5 s
Invalid
area
1 mA
2. Dip soldering: 240°C, within 3 s
Current (mA)
Wait for one minute after soldering before exerting any external
force on the solder.
• Use non-corrosive resin fluid as the flux.
• Make sure that the electric cord is wired so that it does not touch
the Unit. If the electric cord will touch the Unit, then electric wires
with a heat resistance of 100°C min. must be used.
• After wiring the Switch, maintain an appropriate clearance and
creepage distance.
LEDs
The LED current-limiting resistor is built-in, so external resistance is
not required.
Rated voltage
24 VAC/VDC
Internal limiting resistor
2.4 kΩ
Operating Torque
• Do not exceed an operating torque of 0.49 N·m in the direction of
rotation.
• Do not pull the operating button or apply excessive force to any
side of the button.
Otherwise it may be damaged.
Operating Environment
• The IP65 model is designed with a degree of protection so that it
will not sustain damage if it is subjected to water from any direction
to the front of the panel.
• The Switch is intended for indoor use only. Using the Switch
outdoor may cause it to fail.
9
OMRON [ OMRON ELECTRONICS LLC ]
