The CM-UFD.M33 is a multi-functional grid feeding monitoring relay, which provides interface protection and is to be installed between a renewable energy syste
Technical data
Series
CM
Electrical
Response threshold voltage
0–550 V
Operating voltage at AC 50Hz
230 V
Operating voltage from 60 Hz AC mains
230 V
AC supply voltage 50Hz
24–240 V
AC 60 Hz supply voltage
24–240 V
DC supply voltage
24–240 V
Voltage measurement range 1
0–550 V
Voltage measuring range 2
0–550 V
Rated switching current
4 A
1-phase
Yes
3-phase
Yes
1-phase hysteresis monitoring possible
Yes
3-phase hysteresis monitoring possible
Yes
1-phase undervoltage monitoring possible
Yes
3-phase undervoltage monitoring possible
Yes
Monitored voltage current type
AC
Operating voltage current type
AC/DC
Supply voltage current type
AC/DC
Connection type
Screw connection
External power supply required
Yes
With removable terminals, clamps
No
Includes DC voltage monitoring functions - hysteresis
No
Includes DC voltage monitoring functions - undervoltage
No
Includes DC voltage monitoring functions - overvoltage
No
Mechanical
Depth
67 mm
Width
108 mm
Height
90 mm
Other
Minimum adjustable delay time
1 s
Minimum adjustable response delay time without time lag