1-14 BE1-951 General Information 9328900990 Rev L
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 ±12 ms whichever is greater
Automatic Setting Group Characteristics
Number of Setting Groups: 4
Control Modes
Automatic: Cold-Load Pickup, Dynamic Load or Unbalance,
Recloser Shot
External: Discrete Input Logic, Binary Input Logic
Switch Level Range: 0-150% of the setting group 0, monitored element
setting
Switch Level Accuracy: ±2% or ±50 mA (5 A), ±2% or ±10 mA (1 A)
Switch Timer Range: 0 to 60 minutes with 1 minute increments.
(0 = disabled)
Switch Timer Accuracy: ±0.5% or ±2 seconds whichever is greater
BESTlogic Update Rate
½ cycle
GENERAL SPECIFICATIONS
AC Current Inputs With 5 A CT
Continuous Rating: 20 A
One Second Rating: 400 A
For other current levels, use the formula:
I = (K/t)
½
where t = time in seconds,
K=160,000(All Case styles)
Saturation Limit: 150 A
Burden: Less than 10 milliohms
AC Current Inputs with 1 A CT
Continuous Rating: 4 A
One Second Rating: 80 A
For other current levels, use the formula:
I = (K/t)
½
where t = time in seconds,
K = 160,000 (S1 case), K = 90,000 (H1 case)
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