Siemens SIRIUS 3RT Series System Manual page 784

Index
Touch protection
Overload relay, 513
Transformer protection, 386
Motor starter protector, 393
Tripping characteristics
Motor starter protector, 388
Overload relay, 497, 498
Tripping classes
Load feeders, 570
Motor starter protector, 387
Overload relay, 495
Tripping delay time
Current monitoring relay, 690, 708, 720, 735
tRMS
Current monitoring relay, 690
True rms measurement
Current monitoring relay, 690
Types of coordination, 757
Load feeders, 564
Overload relay, 504, 506
U
UL
Motor starter protector, 395, 467
Solid-state switching devices, 336, 338
Underload
Current monitoring relay, 695
Utilization categories
Contactors, 113, 123, 124, 125, 126, 132, 135
V
Varistor, 170, 174
W
Wall mounting
Load feeders, 605
Wear
Current monitoring relay, 695
Wire break
Current monitoring relay, 695, 719, 734
Z
Zener diode, 170, 177
784
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03