Siemens SIRIUS 3UG4 Equipment Manual page 328

Index
3UG4615 / 3UG4616 line monitoring relays, 107
3UG4617 / 3UG4618 line monitoring relays, 116
3UG4621/3UG4622 current monitoring
relays, 127
3UG4625 residual current monitoring relay, 145
3UG463. voltage monitoring relay, 210
3UG4641 cos phi and active current monitoring
relay, 223
3UG4651 speed monitoring relay, 234
Current monitoring relay 3RR22, digital, 65
Phase asymmetry
3UG4.1 line monitoring relay, 81, 82
Phase failure
3UG4.1 line monitoring relay, 81, 82
Phase failure monitoring, 290
Phase sequence
3UG4.1 line monitoring relay, 81, 82
Phase sequence monitoring, 286
Probes
3UG4501 filling level monitoring relay, 74
Push-in lugs, 247
R
Reference, 279
Relay switching behavior, 288
Removable terminals, 30
Reset response, 284
Residual current monitoring, 286
Residual current transformer
3UG4625 residual current monitoring relay, 141,
249
Resistance to extreme climates, 22
Restart delay time, 285
rms value, 43
S
Scaling factor, 289
Scope of validity
Manual, 9
Screw mounting
3UG4 monitoring relay, 37
Screw-type connection, 24
Screw-type connection system
Connection cross-sections, 23
Screw-type connections, 23
Sealable cover, 246, 266, 267
3RR2 current monitoring relays, 241
Sensor sensitivity, 288
Setting, 44
328
Snap-on mounting
3UG4 monitoring relay, 38
3UG458. monitoring relay., 38
3UG458.-.AW31 / 3UG4583-.CW31 monitoring
relay, 39
3UG4983 voltage reducer module, 268
3UG4983-.AA01 voltage reducer module, 274
Speed overshoot
3UG4651 speed monitoring relay, 229
Speed undershoot
3UG4651 speed monitoring relay, 229
Spring-loaded connection
3RR2 current monitoring relays, 26
Spring-loaded connection system, 25, 29
Connection cross-sections, 28
Spring-loaded connection technology
Connection cross-sections, 29
Stabilization delay, 289
Standards, 15
Summation current transformers
3UG4624 residual current monitoring relay, 248
T
Terminal support for stand-alone assembly
3RR2 current monitoring relays, 242, 244
Test certificates, 19
Threshold for overshoot, 283
Threshold for undershoot, 283
Tripping delay time, 281
tRMS, 42
True root mean square measurement, 42
Two-point monitoring
3UG4501 filling level monitoring relay, 74
U
Undercurrent
3UG4621/3UG4622 current monitoring
relays, 121
3UG4641 cos phi and active current monitoring
relay, 217
Undervoltage
3UG4.1 line monitoring relay, 81, 82
3UG4631/3UG4632/3UG4633 voltage monitoring
relay, 203
V
Voltage asymmetry, 281
Voltage reducer module, 267, 272, 273
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005
SIRIUS 3UG4 / 3RR2 monitoring relay