Siemens 3UG4 - Page 100

3UG4501 filling level monitoring relay
5.7 Technical data
3UG4 / 3RR2 monitoring relays
100 Manual, 05/2016, NEB927043002000/RS-AC/004
3UG4501-1....
3UG4501-2....
Design of the electrical connection
screw-type terminals
spring-loaded terminals
Type of the connectable conductor cross-
sections
• solid
1x (0.5 ... 4.0 mm²),
2x (0.5 ... 2.5 mm²)
2x (0.25 ... 1.5 mm²)
• finely stranded
– with wire end processing
1x (0.5 ... 2.5 mm²),
2x (0.5 ... 1.5 mm²)
2 x (0.25 ... 1.5 mm²)
– without wire end processing
— 2x (0.25 ... 1.5 mm²)
• for AWG conductors
– solid
2x (20 ... 14) 2x (24 ... 16)
– stranded
2x (20 ... 14) 2x (24 ... 16)
Tightening torque
• with screw-type terminals
N·m
0.8 … 1.2
Number of change-over switches
delayed
switching
1
Measuring circuit
3UG4501-.....
Adjustable response delay time
• when starting
s
0.3 … 10
• with lower or upper limit violation
s
0.3 … 10
Adjustable response value impedance
kΩ
2 … 200
Measuring electrode current
maximum
mA 1
Measuring electrode voltage maximum
V
15
Number of measuring circuits
1
Stored energy time at mains power cut minimum
s
0.2