MCU(
Microprocessor Control Unit ) Based Compact Design
Digital Ammeter
Multiple Protection Functions
Trobleshooting/Trip Cause Display
Run Monitor & Load Alert Function
Selectable Trip Time Characteristics
Manual Instantaneous/ Electrical Remote Reset
Test
Function
Ambient
Insensitive
Faill-safe Operation(No Volt Release)
Ambient
Insensitive
Over
Current/Phase loss/Phase Reversal/Locked Rotor/Phase
Unbalance
Protective Item
Trip
Time
Over-current
DEF :
0.3 ~ 25sec
INV : 1 ~ 30
Phase Loss
within
4sec
Phase
Unbalance
8sec
Phase
Reversal
0.1sec
Locked Rotor
DEF
: within 0.5 Sec after dt
INV : If D-Time=0sec
operating
according to cold-curve
If D-Time=over
0sec
operating
according to Hot-curve after D-time set