24
Loading unit
Output
Load current
Terminal voltage
NLU2000
3.5V
No load
3.5V
1000A
2.9V
2000A
2.4V
6.9V
No load
6.9V
500A
6.4V
1000A
5.9V
13.8V
No load
13.8V
250A
13.0V
500A
12.3V
1.6
Overload Protection
The PCU1-SP is fitted with a range of over protection devices:
Location
Protection
Mains supply
Circuit breaker
Main output
Circuit breaker
Electronic over-current trip
Electronic duty cycle trip
Thermal protection
Contact circuits
Auto-resetting semiconductor fuses
Auxiliary metering
current input
F6.3A fuse
1.7
Construction
The PCU1 series units are housed in robust aluminium cases fitted with lifting handles.
