
9
2. Before Using
Installation precautions
9. Always ground this unit
The D class earth connecting works is required if no ground terminal is provided. In this
case, consult with the selling office where you purchased or our sales office.
Securely connect the power plug to the switchboard or outlet.
SM530/830
G
G
An earth connecting outlet is recommended to be
used.
SM520/820
These models do not include the power plug.
Correctly connect the ground to fit with the power
supply facility to be connected.
Do not connect the earth wire to gas or water pipes. If not, fire disaster may be caused.
10.
Connect the power cord paying attention to the color of each core wire
When connecting the power cord, do check the
breaker on the electric power equipment be "OFF".
Note: SM520 and SM820 do not equip with the power
plug. Select and connect the appropriate plug or
terminal corresponding to the power capacity that is
adjusted to the status of the power supply equipment
side.
Core Wire Color
Interior Wiring
Brown
Positive voltage
Blue
Negative voltage
Yellow green
Ground Wire Side
Power plug
Earth connecting outlet
緑(アース端子へ)
M5用丸端子
黒(定格電源端子へ)
白(定格電源端子へ)
Rounded terminal
for M4
Green (to ground)
Black (to power supply)
White (to power supply)