User Manual

3UG4501 filling level monitoring relay
5.7 Technical data
3UG4 / 3RR2 monitoring relays
86 Manual, 02/2013, NEB927043002000/RS-AA/002
3UG4501-1.... 3UG4501-2....
Design of the electrical connection screw-type terminals spring-loaded terminals
Type of the connectable conductor cross-section
• solid
1x (0.5 ... 4 mm
2
),
2x (0.5 ... 2.5 mm
2
)
2x (0.25 ... 1.5 mm
2
)
• finely stranded
– with wire end processing
1x (0.5 ... 2.5 mm
2
),
2x (0.5 ... 1.5 mm
2
)
2 x (0.25 ... 1.5 mm
2
)
– without wire end processing
— 2x (0.25 ... 1.5 mm
2
)
• 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