ABB Relion 670 series Product Manual page 24

Line distance protection REL670 ANSI
Pre-configured
Product version: 1.2
GPS time synchronization module GTM
This module includes a GPS receiver used for time
synchronization. The GPS has one SMA contact for
connection to an antenna. It also includes an optical
PPS ST-connector output.
IRIG-B Time synchronizing module
The IRIG-B time synchronizing module is used for
accurate time synchronizing of the IED from a
station clock.
High impedance resistor unit
The high impedance resistor unit, with resistors for
pick-up value setting and a voltage dependent
A
C
B
D
xx05000003.vsd
IEC05000003 V1 EN
Figure 4. 1/2 x 19" case with rear cover
24
resistor, is available in a single phase unit and a
three phase unit. Both are mounted on a 1/1 19
inch apparatus plate with compression type
terminals.
Layout and dimensions
Dimensions
F
E
1MRK 506 317-BUS A
ABB