31
30
If the control power is not supplied or is lost, each function operates as follows:
LT, ST, INST, RPT
Operates normally.
GF
Operates normally
When the CT rated primary current [
I
CT
] is less than
800A and the GF pick-up current is set to 10 %,
the GF becomes inoperative.
MCR
Operates as INST.
PTA
1-channel PTA
Is inoperative.
2-channel PTA
ELT
Is inoperative.
LED indicator on OCRs with single-contact indication
Is on momentarily or off.
Contact output from OCRs with single-contact indication
Turns off after 40 ms or more.
Contact output from OCRs with individual contact indication
Is inoperative.
LCD
No display
Field test facility
Is inoperative.
OCR Specifications
ú
: Available as standard
õ
: Available as option
\
: Not available
q
: Standard Inverse, Very Inverse, Extremely Inverse
Curves
w
: Only one function can be selected from OH, NS, REF
or trip indication. Selection of two or more functions in-
volves manual connection of their control circuits (spe-
cial specification). Contact Terasaki for details.
Specifications
4
e
: Only one function can be selected from PTA2, UV or spring charge
indication. Selection of two or more functions involves manual
connection of their control circuits (special specification). Contact
Terasaki for details.
r
: Soon to be available. Contact TERASAKI for details.
For full operational information see pages 25 to 29