Siemens SINOVA - Page 66

Accessories
3.3 Control and signaling accessories
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
65
Undervoltage release (UVR/UVR-t)
Rated control supply voltage U
S
24 ... 30 V DC
110 … 127 V AC / 110 … 125 V DC
220 … 240 V AC / 220 … 250 V DC
380 … 415 V AC
Operating limits
Operate voltage
< 70% US
Pick-up voltage
85 ... 110% US
Switch-on power AC / DC
50 VA / 50 W
Continuous power AC / DC
5 VA / 5 W
Break time
US = 0 with instantaneous UVR
≤ 80 ms
US = 0 with short-time delayed UVR
≤ 200 ms
US = 0 with delayed UVR-t
0.2 … 3.2 s
For UVR-t by disconnecting the connection at
terminals X5.13 and X5.14 (EMERGENCY STOP
circuit)
≤ 100 ms
Fuse protection of the control circuit
Smallest permissible
DIAZED fuse, gL, slow-
response
24 ... 30 V DC
2 A
110 … 127 V AC /
110 … 125 V DC
1 A
220 … 240 V AC /
220 … 250 V DC
380 … 415 V AC
Miniature circuit break-
er with C characteristic
24 ... 30 V DC
2 A
110 … 127 V AC /
110 … 125 V DC
1 A
220 … 240 V AC /
220 … 250 V DC
380 … 415 V AC
See also
Preparation for maintenance work (Page 178)