Siemens 3UG4 - Circuit Diagrams

3RR2 current monitoring relays
4.4 3RR21 current monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
59
4.4.5
Circuit diagrams
Internal circuit diagrams 3RR21
3RR2141-1A.30 current monitoring relay
Image 4-2 1 CO contact, 2-phase
3RR2141-2A.30, 3RR2142-.A.30, 3RR2143-.A.30 current monitoring relays
Image 4-3 1 CO contact, 2-phase