OPM_STS_400_25A_100_1GB_V011
45
GE DE STS: installation and operating manual 1.1 (GB)
Digital Energy
™
Static Transfer Switch
g
Alarm signals
Failure alarm
relay
FAILURE ALARM appears if at least one of the following
events takes place:
•
Fuse was burnt
•
Overcurrent
•
Overtemperature
•
Internal STS failure
Disturbance alarm
relay
DISTURBANCE ALARM appears if at least one of the following
events takes place:
•
Overvoltage in at least one of input sources
•
Undervoltage in at least one of input sources
•
Input sources not synchronized
•
Voltage surge protection device was burnt
•
Retransfer was blocked
•
Internal supply failure
•
Manual mode of operation was chosen
MANUAL ON
relay
If MANUAL mode of operation is selected, active source may
be changed even if second one is not healthy
RETRANSFER OFF
relay
Retransfer to preferred source is not performed
PRIMARY
SOURCE OK.
relay
Indicating if primary source is healthy
SECONDARY
SOURCE OK.
relay
Indicating if secondary source is healthy
PRIMARY
SOURCE ON
relay
Indicating if primary source is active
SECONDARY
SOURCE ON
relay
Indicating if secondary source is active
Alarm connectors parameters
Maximum operational voltage
300V= or 250V~
4A for 220V~
Maximum current
0,3A for 220V=
Operation conditions
Ambient temperature
0÷40°C
Storage temperature
0÷40°C
Humidity
max 95%
Without condensation
Maximum altitude.
1000m
Cooling
Forced with redundancy
Forced cooling is applied only to increase
MTBF factor
Acoustic noise level
Below 55dBA
Interference’s level
Level B
EN55022, EN60555-2,-3
Enclosure
Protection IP20
