User Manual

3UG458. insulation monitoring relay.

10.3 3UG4581 insulation monitoring relay

3UG4 / 3RR2 monitoring relays

224 Manual, 02/2013, NEB927043002000/RS-AA/002

3UG4581-1AW30

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