Item
Description
Item
Description
1
Mains supply:
230 VAC / 50 Hz or 120 VAC / 60 Hz.
Fuse: 10 A AC
4.
Charge connector (XLR) for charging the
DC Current Generators
2
Mains switch
5
Ground connection
3
Battery charger fuse: 25 A DC,
one per charger.
NOTE : NOTE : When the test object is not in an isolated position, ground both the test object and the
BALTO Compact 4000 System in accordance with the Traction DC Power System grounding.
5.5 Protection Test Module
The interface for testing DC Protective Relays is located on the Main Unit. The ‘Trip input 1’ is also used for measuring
High-speed DC Circuit Breaker reaction times.
1
2
3
4
Fig 16:
DC Protection Relay Interface
For further information regarding Protective Relay secondary injections,
consult the ‘chapter on secondary injection.
Item
Description
1
Output mA
used for secondary injection.
2
Output mV
used for secondary injection.
3
Trip Input 1
input for potential-free trip signals.
4
Trip Input 2
input for potential-free trip signals.
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BALTO Compact 4000 Hardware
