Technical data
6.3 Efficiency
Selectivity modules
48 Manual, 12.2014, C98130-A7579-A1-1-7629
● In the range > 150 % of the selected current response threshold, the current is limited to
150 %; at the earliest after 100 ms the output is electronically shut down.
● When the output current exceeds the selected current response threshold, and if the
supply voltage simultaneously dips below 20 V, then the output is electronically
shutdown.
6EP1961-2BA11
6EP1961-2BA31
6EP1961-2BA21
6EP1961-2BA41
Efficiency at Ua rated, Ia rated, approx.
Power loss at Ua rated, Ia rated, approx.
Protection and monitoring
Device/cable pro-
tection
Flat fuse for each
output (when sup-
plied, equipped
with a
Internal fuse 5 A
for each output
(not accessible)
Internal fuse 15 A
for each output
(not accessible)
Internal fuse 5 A
for each output
(not accessible)
Internal fuse 15 A
for each output
(not accessible)
Operating display One LED per
output: Green LED
for "Output
switched through",
red LED for "Out-
put shutdown due
One LED per output: Green LED for "Output switched through", orange LED for
"Output manually switched off", red LED for "Output shutdown due to overcur-
rent".
Signaling Group signaling
contact (NO con-
tact, contact rating
0.5 A/24 V)
Group signaling contact (changeover
contact, contact rating 0.1 A/24 V)
Status signal output (pulse position
signal that can be evaluated using a
Simatic function block)
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