Mitsubishi Electric C Series Handling And Maintenance page 11

(3) For earth leakage relay
1 1 1 Operation 1 1
When leakage is detected by the earth leakage relay, contact point output is given, the leakage
indicator button comes out, or the leakage indication lamp glows.
2 Reset operation 2 2 2 2
When the leakage indication button comes out or the leakage indication lamp glows, remove
the cause then reset before starting operation again. Otherwise, electrification can result.
If the cause isn't known, contact us at our service stations, branch offices, local offices, or ask
an electrician in your country.
Type Handle reset
NV-ZSA, NV-ZLA
NV- ZU, NV-ZBA
NV-ZHA
(4) Circuit protector
1 Trip 1 1 1 1
The handle turns off at tripping.
Note: Where an alarm switch is attached, the handle stops between ON and OFF positions.
2 2 2 2 2 Reset
Eliminate the cause of tripping, then close. (Resetting isn't necessary as the circuit protector is
reset automatically.)
Note: When an alarm switch is attached, move the handle to OFF side once, then to ON side for
reclosing. (The alarm switch of CP30-BA is reset at ON operation.)
9
CAUTION
Leakage indicator reset
Push to the projected reset button for leakage indicator.
—
Pushing the reset button turns off the leak indication
—
lamp and resets. Turning off the control power also re-
sets automatically.
Push in the reset button by a finger.