ABB Relion 620 Series - Operating procedures; Monitoring

1MAC308145-MB E Section 5
Relay physical connections
RER620 75
Application Manual
Section 5 Relay physical connections
5.1 Inputs
5.1.1 Phase currents
Table 12: Inputs for phase currents
5.1.2 Ground current
Table 13: Inputs for ground current
5.1.3 Phase voltages
Table 14: Phase voltage inputs
5.1.4 Auxiliary supply voltage input
The auxiliary voltage of the relay is connected to terminals X100/1-2. At DC supply, the
positive lead is connected to terminal X100-1. The permitted auxiliary voltage range is
24-60 VDC.
Table 15: Auxiliary voltage supply
Terminal Description
X120-7, 8 Ia
X120-9, 10 Ib
X120-11, 12 Ic
Terminal Description
X120-13, 14 Ig
Terminal Description
X130- 1,2 Va, From recloser
X130- 4,5 Vb, From recloser
X130- 7,8 Vc, From recloser
X130- 11,12 Va, From external VT
X130- 14,15 Vb, From external VT
X130- 17,18 Vc, From external VT
Terminal Description
X100-1 + Input
X100-2 - Input