Siemens 3UG4 - Page 67

3RR2 current monitoring relays
4.4 3RR21 current monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
67
Frame size: (S2)
3RR2143-1....
3RR2143-3....
mounting position
any
Mounting type
direct mounting
Width
mm
55
Height
mm
99
Depth
mm
112
Distance, to be maintained, to the ranks assembly
• forwards
mm
0
• backwards
mm
0
• upwards
mm
0
• downwards
mm
10
• sidewards
mm
0
Distance, to be maintained, to earthed part
• forwards
mm
10
• backwards
mm
0
• upwards
mm
10
• downwards
mm
10
• sidewards
mm
10
Distance, to be maintained, conductive elements
• forwards
mm
10
• backwards
mm
0
• upwards
mm
10
• downwards
mm
10
• sidewards
mm
10