Voltage Injection Unit Rxtte4 - ABB Relion Series Product Manual

670/650 series and SAM600-IO IEC
Ø 5,5 [0,22]
IEC11000039 V2 EN-US
Figure 28. REX062 measures and drilling plan
REX062 shall be mounted close to the IED. It is
recommended that REX060 and REX062 are mounted in
the same cubicle as the IED.
The surface of REX062 unit may be
temporarily very hot due to heat
dissipation, up to about 65° C above the
ambient temperature. It must be installed
to get a open air convection and prevent
contact with combustible material to the
surface.

15. Voltage injection unit RXTTE4

Voltage injection unit RXTTE4
The COMBIFLEX voltage injection unit RXTTE4 is used for
rotor earth fault protection applications. The RXTTE 4
contains a voltage transformer with a primary winding for
connection to 120 or 230 V, 50 or 60 Hz supply voltage.
From the secondary winding of this internal voltage
transformer approximately 40 V AC is injected via series
Hitachi Power Grids
217 [8,54]
84 [3,3] 84 [3,3]
GUID-B786414A-A36A-4F3B-B2D5-F1EF9488DA0E v1
© 2017 - 2021 Hitachi Power Grids. All rights reserved.
2 [0,079]
capacitors and resistors into the rotor circuit. The injected
voltage and current are fed to one voltage input and one
current input on the IED.
In order to mount injection unit RXTTE4 some COMBIFLEX
accessories are required; RX4 terminal base, 10A and 20A
contact sockets and Crimping tool. See section
documents" for more detailed information.
1MRK 514 012-BEN K
155 [6,1]
IEC11000039-2-en.vsd
"Related
19