|
|
| Printable
Format |
| Power
Protection - Frequency Relays |
|
|
|
| |
| |
| |
| |
|
|
| |
|
|
| |
Special
Features |
| |
|
Under
and Over Frequency relays with calibrated linear scale |
| |
|
Smart
design to fit on any standard mounting channel |
| |
|
Choice
of screw less terminals |
| |
|
2% Accuracy |
| |
|
Total
wireless interiors |
| |
|
Test
and Auto/Manual Reset facility |
| |
|
Ideal
for DG set applications |
| |
|
Designed
for high reliability, as relay energizes only under fault conditions |
| |
Technical
Data |
|
|
Supply Voltage |
:
|
110V/220V/380V/440V
AC 50Hz or 12/24V DC |
|
|
Permissible Supply
Variation |
:
|
25% |
|
|
Output Contacts |
: |
2 change over contacts |
|
|
Switching Duty |
: |
6A resistive at 24V DC or 240V
AC |
|
|
Relay Status |
: |
De-energized in normal conditions |
|
|
Set Point (Range) |
: |
U/F = 30 - 45 Hz
O/F = 55 - 60 Hz |
|
|
Time Delay (optional) |
: |
0.1-10 sec settable |
|
|
Mode of Operation |
: |
Under Frequency/Over Frequency
combined |
|
|
Reset |
: |
Automatic/Manual |
|
|
Setting Accuracy |
: |
5% of Full Scale |
|
|
Mounting |
: |
FR-1 = Any standard mounting
channel
FR96-1 = Panel Mounting (Flush) |
|
|
Dimensions |
: |
77mm(W) * 90mm(H) * 110mm(D)
|
| |
Operation |
| |
The Frequency relay continuously
monitors line frequency. The Line Frequency is compared with
highly stable internal crystal based frequency to achieve error-proof
result. If the line Frequency goes out of the range selected,
relay changes the status after the SET time delay. |
| |
Connection Details
|
|
|
Note:- Design and specifications may change due to our continuous
developmental efforts.
|
Home|About
Us|Products|Contact