Siemens 8DA10 Series User Manual

Description
32/214 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.9
Circuit-breaker panel,
disconnector panel
17.2 Vacuum circuit-breaker
Operating times
Number of operating
cycles
Closing time The interval of time between the initiation (command) of the closing operation and
the instant when the contacts touch in all poles.
Opening time The interval of time between the initiation (command) of the opening operation and
the instant when the contacts separate in all poles.
Arcing time The interval of time from the first initiation of an arc and the instant of final arc extinction in
all poles.
Break time The interval of time between the initiation (command) of the opening operation and
the instant of final arc extinction in the last-pole-to-clear (=opening time and arcing time).
Data of the switchgear panels (circuit-breaker panel, disconnector panel, bus sectionalizer, cable connection panel, metering panel)
Rated voltage U
r
kV 12 24 36 40.5
Rated normal current I
r
1
A 1250
A
1600
2
A 2000
A 2500
A 2750
A
3150
3
Rated short-time withstand current I
k
t
k
= 3 s up to kA 40
50 Hz Rated peak withstand current I
p
up to kA 100
Rated short-circuit making current I
ma
up to kA 100
60 Hz Rated peak withstand current I
p
up to kA 104
Rated short-circuit making current I
ma
up to kA 104
Rated short-circuit breaking current I
sc
up to kA 40
Electrical endurance of vacuum circuit-
breakers
at rated normal current Standard 10,000 operating cycles
Option 30,000 operating cycles
at rated short-circuit breaking current 50 breaking operations
Filling pressure (pressure values at
20 °C)
Rated filling level p
re
(absolute) for feeders kPa 70/120
Minimum functional level p
me
(absolute) kPa 50/100
1
Maximum permissible normal current dependent on ambient air temperature
2
1600 A not available for bus sectionalizer, cable connection panel, metering panel
3
3150 A with forced ventilation
Closing time Closing solenoid <95 ms
Opening time 1st shunt release <65 ms
2nd shunt release <55 ms
Undervoltage release <55 ms
Arcing time at 50 Hz <15 ms
at 60 Hz <12 ms
Break time
at 50 Hz
1st shunt release <80 ms
2nd shunt release <70 ms
Undervoltage release <70 ms
Dead time 300 ms
Total charging time <15 s
Currents Number of
operating cycles
Maintenanc
e
Rated normal current 10000 without
30000 (option) with
Short-circuit breaking current 50 without

Siemens 8DA10 Series Specifications

General

Brand	Siemens
Model	8DA10 Series
Category	Circuit breakers
Language	English