Trip Unit Etu776 - Siemens UL 1066 Operating Instructions Manual

9.1.4

Trip unit ETU776

Overview
Mechanical RESET
for Bell Alarm and
remote trip
Trip unit activated
Indicators
Overcurrent alarm
COMMUNICATIONS
1)
Trip cause indicator
Rating plug
Option: Ground-fault module
Areas to record
protective settings
Test button
Query button
1) The trip cause is stored internally for at least two days if the trip unit has been activated for at least 10 min before tripping
(for unlimited time with auxiliary power).
Electrostatic Discharge
Trip unit may become inoperative.
Before the protective cover is removed, ensure that the equipment to be connected, and also the operating 
personnel, are at the same potential.
9 – 8
NOTICE
Option: Reset Lockout
prevents accidental resetting of the lockout
mechanism after a trip
Graphical display
Trip unit error indicator
Operating keys for setting
tripping parameters
Sealing eyelet
Ground-fault alarm
Indicators
Ground-fault tripped
Areas to record
protective settings
CLEAR button
Test connector