User Manual
3UG4621/3UG4622 current monitoring relays
7.7 Technical data
3UG4 / 3RR2 monitoring relays
168 Manual, 02/2013, NEB927043002000/RS-AA/002
3UG4621-..A.. 3UG4622-..A.. 3UG4621-..W.. 3UG4622-..W..
Installation altitude at a height
over sea level maximum
m 2 000
Conductor-bound parasitic
coupling BURST according to
IEC 61000-4-4
2 kV
Conductor-bound parasitic
coupling conductor-earth
SURGE according to IEC
61000-4-5
2 kV
Conductor-bound parasitic
coupling conductor-conductor
SURGE according to IEC
61000-4-5
1 kV
Electrostatic discharge
according to IEC 61000-4-2
6 kV contact discharge / 8 kV air discharge
Field-bound parasitic coupling
according to IEC 61000-4-3
10 V/m
Thermal current of the
contact-affected switching
element maximum
A 5
Insulation voltage for
overvoltage category III
according to IEC 60664 with
degree of pollution 3 rated
value
V 690
Maximum permissible voltage
for safe disconnection
• between control and
auxiliary circuit
V
300
• between auxiliary circuit
and auxiliary circuit
V
300
Degree of pollution 3
Ambient temperature
• during operating
°C
-25 … +60
• during storage
°C -40 … +85
• during transport
°C -40 … +85
Galvanic isolation
• between entrance and
outlet
Yes
• between the outputs
Yes
• between the voltage
supply and other circuits
No Yes
Mechanical operating cycles
as operating time typical
10 000 000