9 – 8
9.1.4
Trip unit ETU776
Overview
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).
NOTICE
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.
Mechanical RESET
for Bell Alarm and
Rating plug
Indicators
Trip cause indicator
1)
Query button
Test button
Areas to record
protective settings
Option:
Ground-fault module
COMMUNICATIONS
Trip unit activated
Overcurrent alarm
Areas to record
protective settings
Option:
Reset Lockout
Graphical display
Trip unit error indicator
Indicators
Ground-fault alarm
Ground-fault tripped
CLEAR button
Test connector
prevents accidental resetting of the lockout
mechanism after a trip
Sealing eyelet
remote trip
Operating keys for setting
tripping parameters
Содержание UL 1066
Страница 43: ...6 12 7 Reset reclosing lockout 8 Charge closing spring 9 Switch ON Frame size II Frame size III 9X ...
Страница 56: ...7 5 7 2 Frame size II fused ...
Страница 58: ...7 7 ...
Страница 63: ...7 12 8 27 210 0 8 27 210 0 8 27 210 0 3 75 95 2 ...
Страница 64: ...7 13 ...
Страница 65: ...7 14 7 7 Frame size III fuse carriage ...
Страница 66: ...7 15 ...
Страница 69: ...7 18 7 9 External sensor for neutral conductor WLNCT2 ...
Страница 70: ...7 19 WLNCT3 ...
Страница 85: ...9 5 I tripping Ground fault tripping ...
Страница 231: ...15 12 Pre assembling the locking module Installing 0767 1 2 3 4 6 5 ...
Страница 232: ...15 13 1 Socket head cap screw M5 with washer and nut 7 8 Size 4 5 Nm 45 lb in ...
Страница 271: ...19 10 Function check Then Fit back front panel and side cover on the right if it was removed page 23 4 10 ...
Страница 280: ...21 2 Installing the door sealing frame Not for use with fuse carriages Catalog No Door sealing frame WLDSF 1 2 3 NOTICE ...
Страница 289: ...23 7 23 3 3 Installing arc chutes 1 2 6 5 PH 2 0043 02 3 4 5 6 For frame size III 3 PH 2 ...
Страница 298: ...23 16 6 7 8 9 5 2 1 Size 5 mm ...
Страница 333: ......