Siemens 3UG4 - Page 234

3UG458. insulation monitoring relay
9.3 3UG4581 insulation monitoring relay
3UG4 / 3RR2 monitoring relays
234 Manual, 05/2016, NEB927043002000/RS-AC/004
Mechanical design
3UG4581-1AW30
Width
mm
22.5
Height
mm
78
Depth
mm
100
Built in orientation
any
Distance, to be maintained, to the ranks assembly
• forwards
mm
0
• backwards
mm
0
• sidewards
mm
0
• upwards
mm
0
• downwards
mm
0
Distance, to be maintained, conductive elements
• forwards
mm
0
• backwards
mm
0
• sidewards
mm
0
• upwards
mm
0
• downwards
mm
0
Distance, to be maintained, to earthed part
• forwards
mm
0
• backwards
mm
0
• sidewards
nm
0
• upwards
mm
0
• downwards
mm
0
Type of mounting
snap-on fastening on 35 mm
standard rail
Product function removable terminal for auxiliary and control circuit
No
Design of the electrical connection
screw-type terminals
Conductor cross-section that can be connected
• solid
mm²
0.75 … 2.5
Conductor cross-section that can be connected finely stranded
• with wire end processing
mm²
0.75 … 2.5
AWG number as coded connectable conductor cross section
• solid
20 … 12
AWG number as coded connectable conductor cross section
• stranded
18 … 14
Tightening torque
• with screw-type terminals
N·m
0.6 … 0.8
Number of change-over switches delayed switching
1