Motor & Starter Protection Occurrences Table
21
2121
21
Active During
Timing And Occurrence
Start Run Stop Soft Stop
Too many starts
√
Electronic Overload
√
Shear Pin (Jam) *
Default setting
Starter Protection – trip function at 850% FLC in less than 1 cycle.
√
√
√
Motor Protection – trip function
During Soft Start / Soft Stop – factory set at 850% FLA with adj.
time delay
√
√
During Run – adjustment 100 – 850% FLA with adj. time delay
√
Under current
√
Unbalance Current
√
√
√
Ground Fault Current
√
Phase loss
√
√
√
Phase sequence
√
√
√
Under voltage
. Time delay is override in case of “No-Volt”.
√
√
√
Over voltage
with adjustable time delay
√
√
√
Long start time
(Stall protection)
√
Shorted SCR & Wrong connection
(Load Loss)
√
√
External fault 1 & 2
√
√
√
√
SCR protection
by Metal Oxide Varistors (MOV)
√
√
√
√
Starter over-temperature
√
√
Starter internal test
When supply voltage is connected and LED is “On” .
√
√
√
√
PWR ON & NO STRT
√
By-Pass Open
√
Insulation alarm
√
Set curve to 0
√
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