BE1-951
General Information
1-13
Time Delay
Setting Range:
0.050 to 600 seconds
Increment:
1 millisecond from 0 to 999 milliseconds
0.1 second from 1.0 to 9.9 seconds
1 second from 10 to 60 seconds
Accuracy:
±0.5% or ±1 cycle whichever is greater
Over/Underfrequency Functions (81, 181, 281, 381, 481, 581)
Pickup
Setting Range:
40 to 70 Hz
Setting Increment:
0.01 Hz
Pickup Accuracy:
±0.01 Hz
Dropout
0.0020 over/under setting
Time Delay
Setting Range:
0.00 to 600 seconds
Increment:
One millisecond from 0 to 999 milliseconds, 0.1
second from 1.0 to 9.9 seconds, 1 second from
10 to 600 seconds
Accuracy:
±0.5% or +1 cycle / -0 cycle
(Minimum trip time affected by a minimum 3
cycle security count.)
Undervoltage Inhibit
Setting Range:
15 to 300 V
Setting Increment:
0.1 V (for a range of 0.1 - 99.9)
1.0 V (for a range of 100 - 300)
VT Fuse Loss Detection (60FL)
Time Delay:
Fixed at 50 milliseconds
Reclosing Timers (79)
Delay (4), Reset (1), Max Cycle (1), Reclose Fail (1)
Range:
100 milliseconds to 600 seconds
Increments:
1 millisecond from 0 to 999 milliseconds; 0.1
second from 1.0 to 9.9 seconds; 1 second from
10 to 600 seconds, 0.1 cycles from 6 to 36,000
cycles
Accuracy:
±0.5% or +1¾, -0 cycles, whichever is greater
Breaker Fail Timer (BF)
Current Detector Pickup:
Fixed at 0.5 A for 5 A unit, 0.1 A for 1 A unit
Current Detector Pickup Accuracy:
±10%
Delay Range:
50 to 999 milliseconds
Increments:
1 millisecond
Reset Time:
Within 1¼ cycles of the current being removed
Timer Accuracy:
±0.5% or +1¼, -½ cycles, whichever is greater
General Purpose Timers (62, 162)
Modes:
Pickup/Dropout, 1 Shot Nonretriggerable, 1
Shot Retriggerable, Oscillator, Integrating, latch
Range:
0 to 9,999 seconds
Increments:
1 millisecond from 0 to 999 milliseconds; 0.1
second from 1.0 to 9.9 seconds; 1 second from
10 to 9,999 seconds
Accuracy:
±0.5% or ±3/4cycles, whichever is greater
