12. Options instruction manual
If equipment the option device to the machine after the purchase is required, contact
distributor or our office.
If the machine is modified on your own, the warranty of manufacturer will become invalid.
1 2 - 1 E A R T H LEA K A G E RELAY
A WARNING
ELECTRIC SHOCK by leak can kill.
■ Improper grounding may lead to death due
to electric shock. Because the device for
leakage protection does not operate
effectively.
*
Grounding terminal for the earth leakage relay,
case grounding terminal and case of the load are
grounded.
(1) Applicable models
D C A -U S SERIES
(2) Description of the device
The machine is provided with an earth
leakage relay to detect any leakage
produced due to such trouble as insulation
failure of the load during operation and to
cut off the circuit for protection against
any accident such as electrocution
resulting from the trouble.
EARTH LEAKAGE RELAY
3 - phase
•
1 - phase
PILOT LAMP
О
О
RESET BUTTON
TEST BUTTON
- 85 -
