Siemens 3UG4 - Page 69

3RR2 current monitoring relays
4.4 3RR21 current monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
69
Supply voltage
3RR214.-..A..
3RR214.-..W..
Type of supply voltage
AC/DC
Supply voltage frequency
• 1
Hz
50 … 60
Supply voltage 1
• for DC
– rated value
V
24 —
– initial rated value
V
— 24
– final rated value
V
— 240
• at 50 Hz for AC
– rated value
V
24 —
– initial rated value
V
— 24
– final rated value
V
— 240
• at 60 Hz for AC
– rated value
V
24 —
– initial rated value
V
— 24
– final rated value
V
— 240
Insulation voltage
of the auxiliary and control circuit
for
overvoltage category III according to IEC 60664
with
degree of pollution 3 rated value
V 300
Impulse voltage resistance
of the auxiliary and control
current circuit rated value
V 4 000
Stored energy time supply voltage failure minimum
ms
10