General Technical Data; Electrical Data - Eaton Magnefix MD4 User Manual

2.3 General technical data

This section contains general technical data only. For details concerning your own system, please refer to the information pack
supplied with it, which includes this manual.
2.3.1

Electrical data

Rated values:
Voltage
Impulse withstand voltage
Power frequency withstand voltage
Frequency
Busbar system
Normal current
Short-time withstand current (1s)
Peak withstand current
Single-pole load-break switches
Normal current
Breaking current (cos  = 0.7)
Short-circuit making current
Short-time withstand current (1s)
Capacitive earth fault current
Cable charging current
No-load transformer breaking current
Fuses
Normal current
Voltage
Dimensions according to DIN43625
Vacuum circuit-breaker
Type
Normal current
Short-time withstand current (1s)
Short-circuit breaking current
Direct current component
1)
Making current
1)
There is no making current when switching on. The vacuum circuit-breaker can only be switched on
when the circuit is dead.
kV 3.6
kV 40/46
kV 10/12
Hz 50/60
A 400
kA 14.4
kA 31
A 400
A 400
kA 31
kA 14.4
A 240
A 25
kVA 1250
A 57.7
kV 10/12
NVX124A-1204
A 400
kA 14.4
kA 14.4
% 20
A *
7.2 12
60/70 75/85
20/23 28/32
50/60 50/60
400 400
14.4 14.4
31 31
400 400
400 400
31 31
14.4 14.4
240 240
25 25
1250 1250
57.7 57.7
10/12 10/12
400 400
14.4 14.4
14.4 14.4
20 20
* *
991.184 G01 03
Magnefix MD4
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