1MRS758335 D

Section 4

Protection relay's physical connections

Section 4 Protection relay's physical connections

4.1

4.1.1

4.1.1.1

4.1.1.2

4.1.2

Inputs

Energizing inputs

Phase voltage

Phase voltage inputs Table 16:

Terminal

X130:11-12

X130:13-14

X130:15-16

Description

U1

U2

U3

Table 17:

Terminal

X130:9-10

Reference voltage measurement

Description

U12B

Residual voltage

Residual voltage Table 18:

Terminal

X130:17-18

Description

Uo

Auxiliary supply voltage input

The auxiliary voltage of the protection 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 (AC/DC or DC) is marked on the top of the LHMI of the protection relay.

Auxiliary voltage supply Table 19:

Terminal

X100:1

X100:2

Description

+ Input

- Input

REU611

Application Manual

69