Siemens siprotec 7SD5 User Manual

4.1 General
521
7SD5 Manual
C53000-G1176-C169-1
Binary Outputs
- For nominal voltages 110/125/220/250 VDC U
high
≥ 88 VDC (pu =
pickup)
U
low
≤ 44 VDC
- For nominal voltages 220/250 VDC U
high
≥ 176 VDC (pu =
pickup)
U
low
≤ 88 VDC
Current consumption, energized Approx. 1.8 mA
Independent of the control voltage
Maximum permissible voltage 300 VDC
Impulse filter on input 220 nF coupling capacitance at 220 V with recovery time >
60 ms
Signalling/Trip Relays (see also terminal assignments in Appendix A)
Quantity and Data According to the order variant (allocatable)
Order variant UL Listed NO Contact
(normal)
1
)
NO Contact
(fast)
1
)
NO/NC (switch
selectable)
1
)
NO contact
(high-speed)
1
)
7SD5***-*A/E/J X 7 7 1 –
7SD5***-*C/G/L X 14 7 2 –
7SD5***-*N/Q/S X 7 10 1 5
7SD5***-*D/H/M X 21 7 3 –
7SD5***-*P/R/T X 14 10 2 5
Switching capability MAKE 1000 W/VA 1000 W/VA
OPEN 30 VA
40 W resistive
25 W/VA at L/R ≤ 50 ms
1000 W/VA
Switching voltage
DC 250 V
AC 250 V 200 V (max.)
Permissible current per contact (continuous) 5 A
Admissible current per contact (close and
hold) / pulse current
30 A for 0.5 s (NO contact)
Permissible total current on common path 5 A continuous
30 A for 0.5 s
Operating time, approx. 8 ms 5 ms 8 ms 1 ms
Alarm relay
1
) With 1 NC contact or 1 NO contact (switchable)
Switching capability MAKE 1000 W/VA
BREAK 30 VA
40 W resistive
25 W at L/R ≤ 50 ms
Switching voltage 250 V
Permissible current per contact 5 A continuous
30 A for 0.5 s
1
) UL-listed with the following nominal data:
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Siemens siprotec 7SD5 Specifications

General

Brand	Siemens
Model	siprotec 7SD5
Category	Relays
Language	English