User Manual

3UG4641 cos phi and active current monitoring relay
12.7 Technical data
3UG4 / 3RR2 monitoring relays
290 Manual, 02/2013, NEB927043002000/RS-AA/002
12.7 Technical data
Measuring circuit
3UG4641
Number of poles for main current circuit 2
Phase number 1
Adaptable response value phase angle ° 0.1 … 0.99
Type of current for monitoring AC
Measurable current A 0.2 … 10
Adjustable response current 1 A 0.2 … 10
Adjustable response current 2 A 0.2 … 10
Adjustable response delay time
• when starting
s
0 … 99
• with lower or upper limit violation
s 0.1 … 20
Adjustable switching hysteresis for measured current value A
0.1 … 2
Stored energy time at mains power cut minimum ms 10
Operating voltage
• rated value
V
90 … 690
General technical details
3UG4641-.....
Product function Active power monitoring relay
Design of the display LCD
Product function
• overcurrent recognition of 1 phase
Yes
• undercurrent recognition of 1 phase
Yes
• reset external
Yes
• open-circuit or closed-circuit current principle
Yes
Starting time after the control supply voltage has been applied s
1
Response time maximum ms 300
Relative metering precision % 10
Precision of digital display +/-1 digit
Relative repeat accuracy % 1