Low voltage breaker

 
 
 
 
 
 
 
계측값 확인 조작 방법
표시값 설명
표시범위
단위
상태표시
자동복귀시한
Firstly displayed value when
powered in relay (basic display)
% display of current for phase with the max.
10~150
%
RUN
Maintaining
status
In each pressing of MODE
button, transfer to next step
sequentially
% display of R phase
10~150
%
RUN
Auto-return to
basic display
after 30 sec.
% display of S phase
10~150
%
RUN
% display of T phase
10~150
%
RUN
V display of control voltage
50~300
V
RUN
Hz display of control voltage
40~70
Hz
RUN
Sequential display of % for each phase current
10~150
%
RUN
Press the METER button for
2 seconds at basic display
Display of current for phase with the max.
10~150
A
RUN
Auto-return to
basic display
after 50 sec.
POWER
CONNECTOR
O1, B1
10~150%
A
RUN
51, 52
10~150%
A
RUN
53, 54
10~150%
A
RUN
M1, M2
10~150%
A
RUN
NC
50~300
V
RUN
 
Check for setting
Description
Auto Return
Once pressing of ENTER button
on basic display
Rated setting current(A) is displayed and lamps for implemented options are blinked Return to basic display after 3 sec.
Continuous pressing of
ENTER button on basic display
Setting value for implemented options are displayed sequentially Return to basic display immediately
Note) Relay will be operated normally while checking the mesuring or setting value.
 
Operation test method
Description
Auto Return
Press the TEST button for 4
seconds at basic display
Implemented option's indicating lamps are blinked
twice and testing for internal system is proceeded.
Return to basic display after test (When cancel for  testing, Press RESET button)
Press the TEST button one
more time in step 1 of relay
operation test
After displaying the rated current and 10 times On/Off
of implemented Alarm Contacts Relay, Trip Relay (MX)
repeats 10 times On/Off and ACB will be tripped.
Return to basic display automatically after test completing
 
Note 1) OPTION CONNECTOR is added in selecting UVR,
OVR, OPR, and UBR options
Note 2) LTD, STD, and INST Trip Alarm Contact commonly
use 51 and 52 contacts
Note 3) GTD and NGR Trip Alarm Contact commonly use
53 and 54 contacts
Note 4) M1 and M2 use 240V, 220V, and 110V AC in
selecting UVR. Others than UVR and OVR option.
85~250V AC, DC free voltage can be available.
 
Terminal
Classification
Application
CT
CONNECTOR
R
R-phase CT connection
S
S-phase CT connection
T
T-phase CT connection
N
N-phase CT connection
COM
CT common line terminal
A+
External NCT connecting k
A-
External NCT connecting l
NC
Spare terminal
POWER
CONNECTOR
MHT+,-
Output terminal for MHT control
O1, B1
ACB Trip Contact
51, 52
OCR Trip Alarm Contact
53, 54
GTD, NGR Trip Alarm Contact
61, 62
Pre-Alarm Contact
M1, M2
Protection Relay Control Source
FG
Earth
OPTION
CONNECTOR
V1
R-phase external PT input terminal
V2
S-phase external PT input terminal
V3
T-phase external PT input terminal
VN
PT input common line
63, 64
UVR-OVR Trip Alarm Contact
65, 66
OPR Trip Alarm Contact
67, 68
UBR Trip Alarm Contact
NC
Spare terminal
 
Function
After supply of control power source, Press SET button for 4 seconds.
Setting Increase

- Each pressing of button changes the setting value or setting step.
- By using left and right button, select setting step.
- Increase or decrease of setting value is made within setting range.
- Display is different according to the option.
- Relay protection is not functioned during the setting process.
- When next pressing is not made for 20 sec, Setting value is saved and display returns to initial stage.
- During setting process, changed setting value is saved automatically and maintained without power supply.
- If Relay is tripped continuously by faulty setting value, press setting button and reset. Then, setting change or OFF can be made in Setting mode.
- When setting button is pressed, built-in buzzer beeps.

Setting Decrease
Previous Moving
Next Moving
Change to initial setting MODE
MODE
Setting Completion Enter
Enter
 

Quick Downloads

ATS Controller Manual : ACD-A l ACD-S l ACD-NA l ACD-NS l ACD-III l CTTS-801
ATS Catalogue : ATS-1610


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