VB4-P-10


ТЕХНИЧЕСКИЕ ДАННЫЕ:

Rated voltage, kV 10
The highest operating voltage, kV 12
Rated current, A 630;1250;1600;2000;2500;3150;4000
Rated breaking current, kA 20; 31,5; 40
Thermal withstand current, kA (3 s) 20; 31,5; 40
Electrodynamic stability current, kA 50; 80
Rated impulse withstand voltage, kV 75
Rated test voltage with mains frequency, kV 42
Rated voltage of control circuits, V
– with alternating current
– at constant current
 

110, 220
110, 220

Working range ex. in control circuits,% Uн
– for power and control circuits
– for electromagnets off. direct current
– for electromagnets off. alternating current
 

0,65…1,1
0,7…1.1
0,65…1,2

Power dissipation of electromagnets for switching on and off, with direct and alternating current, VA / W 250
Own turn-on time, no more, s  0,06
Full shutdown time, no more, s 0,045
Own shutdown time, no more, s 0,015
Spring charging time, no more, s 15
Non-simultaneous operation of the poles is

chatter, no more, with
– when turned on
– when disconnected

 

 

0,0005
0,0005

Rated duty cycle О – 0,3с – ВО -180с – ВО
Switching resource, VO cycles:
– at rated currents
– at short-circuit currents from 30% to 60%
– at short-circuit currents from 60% to 100%
 

30000
200
100

Mechanical life, VO cycles 100 000
Contact distance, mm 2051; 3102
Pole distance, mm 1501; 2101(2); 2753
Overall dimensions, mm:
– width
– depth
– height
 

4501; 5701; 6202; 7503
4121; 4482
4821; 6372

Circuit breaker weight, kg: 70 ÷ 260
Term to write-off, years 30

 

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