13 -2 EARTH LEAKAGE RELAY
A WARNING
ELECTRIC SHOCK by leak can kill.
I 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 must
be grounded individually.
(1) 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.
This relay detects any leakage and it
immediately trips the circuit breaker
when that leakage occurs.
The set current values and the tripping
times are changeable as shown at the
table 1 and 2.
Pilot lamp (green) Earth leakage lamp (red)
TZS-AO ^ ^ TERASAKI
<00/1004 tonun. leaked
. EARTH LEAKAGE RFLAY
RESET 4
SET
» eiTEST 1
1 г 3 4 5 S 7 8 '\
fflWFPI'C
С 1
1 1
Test button
Reset button
Improper handling of the relay may lead to unsafe condition in comparison with that does
not use the relay. Please read this manual carefully to avoid an improper handling.
To ensure further safety, install an earth leakage breaker for each load at the position
near the load.
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