-7-
No.D-※S-OMJ0004-E
Wiring
1. Confirm proper insulation of wiring.
If there is any improper insulation (mixed contact with other circuit, grounding fault, or improper insulation between
terminals, etc.) in the wiring, an over-current flows in, causing the auto switch to break.
2. Wire separately from power lines or high voltage lines, avoiding parallel wiring or wiring in the same conduit
with these lines.
If an inrush current is generated, the noise may cause the auto switch to malfunction.
3. Avoid repeatedly bending or stretching lead wires.
Broken lead wires will result from repeatedly applying bending stress or stretching force to the lead wires.
Stress and tensile force applied to the connection between the lead wire and auto switch increases the possibility of
disconnection.
Keep the lead wire from moving especially in the area where it connects with the auto switch.
4. Be certain to connect the load before power is applied.
<2-wire type>
If the power is turned ON when an auto switch is not connected to a load, the auto switch will be instantly damaged
because of excess current (short circuit).
It is the same as when the 2-wire brown lead wire (+, output) is directly connected to the (+) power supply terminal.
5. Carry out the wiring work after shutting down the power.
If the wiring work is performed with the power turned ON, this may cause electric shock, malfunction, or damage to the
auto switch.
6. Do not allow short-circuit of loads.
Otherwise, the protection circuit will be activated and the indicator light will flash.
At the same time, the auto switch will be damaged.
7. Avoid incorrect wiring.
1) If connections are reversed on a 2-wire type auto switch, the auto switch will not be damaged if protected by a
protection circuit, but the auto switch will always stay in an ON state.
However, it is still necessary to avoid reversed connections, since the auto switch could be damaged by a load short
circuit in this condition.
2) If connections are reversed (power supply line + and power supply line –) on a 3-wire type auto switch, the auto
switch will be protected by a protection circuit. However, if the power supply line (+) is connected to the blue wire and
the power supply line (–) is connected to the black wire, the auto switch will be damaged.
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