Undervoltage Trip - Siemens RL Instruction Manual

Parts
Complete U ndervoltage Device
1 8-474-540-(Pius MK No. from Table)
v1
MK
Pickup
Dropout
No.
Voltage
Voltage
501 60 VAC 1 00 VAC
502 24 VDC 40 VDC
503 62 VDC 1 05 VDC
504 60 VAC 1 00 VAC
505 24 VDC 48 VDC
506 62 VDC 1 25 VDC
507 1 2 VDC 20 VDC
508 1 2 VDC 20 VDC
42
1 8
1 9
66

28. Undervoltage Trip

Figure
v2
V3
Time
Rated
Delay
Voltage
1 20 VAC
3 Sec.
48 VDC 3 Sec.
1 25 VDC 3 Sec.
1 20 VAC
0
48 VDC 0
1 25 VDC 0
24 VDC 2 Sec.
24 VDC 0
item
The following numbers refer to
Item Description Part Number
1 8 UV Circuit Board . . 1 8-802-1 70-501
1 9 UV Circuit Board . . 1 8-802-1 70-502
UV
66 Circuit Board . . . 1 8-802-1 70-503
Figure 28
Usage
125 V
48V
24V