Siemens SENTRON 3WL10 Series Manual page 232

Index
Locking device, 93
Additional, 96
to prevent movement of the withdrawable circuit
breaker, 96
Locking mechanism, 96
Cabinet door, 99
M
Making current release, 44
Mechanical operating cycles counter, 79
Metering functions, 40
Monitoring
Switch-on phase, 43
Mutual mechanical interlocking
Checking, 148
O
Open, 151
Operator controls
ETU 3-series, 35
ETU 6-series, 37
Overfrequency protection, 47
Overload, 42
Overvoltage protection, 47
P
Padlockable protective cover, 93
Phase barriers, 74
Position signaling switch communication, 86
Position signaling switch for guide frame, 81
Possible uses, 16
Power factor alarm, 46
Protection function test, 144
Protection functions, 39
Protective covers, 93
R
Racking the circuit breaker
Checking, 148
Ready-to-close signaling switch, 82
Ready-to-close signaling switch for communication, 88
Remote reset magnet, 78
Reverse active power protection, 46
Rogowski CT solo external
neutral, 91
Rotary coding switch, 35
230
S
Selectivity, 33
Short-circuit protection
Directed, 47
Instantaneous, 42
Short-time delayed, 42
Shunt release, 77
Checking, 147
SIMARIS design, 50
Spring charged signaling switch, 84
Spring charging motor, 78
Storage, 223
Summation current transformer, 92
Switchboard
Checking, 145
T
Terminal cover, 74
Test device, 104
Test key, 35
Thermal memory, 46
Time selectivity, 34
Transport, 223
Trip test, 144, 146
Tripped signaling switch, 84
U
Underfrequency protection, 47
Undervoltage coil
Checking, 147
Undervoltage protection, 47
Undervoltage release, 76
V
Voltage unbalance
Protection function, 47
W
Warning displays, 36
Warnings
Display, 36
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01