Burdens; Output Contact Performance; Auxiliary Energizing Quantity - Siemens 7SG164 Ohmega 400 Series Manual

240A
625A
AC Voltage Inputs
3.5Vn

8.15 Burdens

Current Circuits
1A tap
2A tap
5A tap
Voltage Circuits
0.01VA per phase
NB. Burdens and impedances are measured at nominal rating.
D.C. Burden
Quiescent (Typical)
Max
9

Output contact performance

Contact rating to IEC 60255-0-2.
Carry continuously
Make and Carry
L/R ≤ 40ms and V ≤ 300 volts)
(limit
for 0.5 sec
for 0.2 sec
Break
≤ 5A or ≤ 300 volts)
(limit
ac resistive
ac inductive
dc resistive
dc inductive
Minimum number of operations
Minimum recommended load
10

Auxiliary energizing quantity

DC Power Supply
VAUX
VAUX
VAUX
DC Status Inputs
Nominal Voltage
30/34
48/54
110/125
220/250
Status Input Performance (30V and 48V)
Minimum DC current for operation
©2011 Siemens Protection Devices Limited
5A ac or dc
Nominal
30/34V
50/110/125V
220/250/260V
7SG164 Ohmega 400 Series Performance Specification
for 2 sec
for 1 cycle (Peak)
Continuous
AC Burden (VA per phase)
0.025
0.1
0.625
DC Burden (watts)
15
27
20A ac or dc
30A ac or dc
1250VA
250VA @ PF ≤ 0.4
75W
30W @ L/R ≤ 40 ms
50W @ L/R ≤ 10 ms
1000 at maximum load
0.5W, limits 10mA or 5V
Operating Range
24V to 37.5V dc
37.5V to 137.5V dc
175V to 286V dc
Operating Range
18V to 37.5V
37.5V to 60V
87.5V to 137.5V
175 to 286V
10mA
Chapter 5 Page 9 of 13