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Compact
Design |
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3MZ:Panel
Mounting Type |
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FMZ:Panel
Flush Mounting Type |
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MCU( Microprocessor Control Unit )&ASIC Based |
| ¡á |
Three
Integral Current Transformers |
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Over current/Under current/Phase Loss/Phase Reversal/Phase
Unbalace/Locked Rotor/Ground Fault |
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Digital Ammeter |
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Troubleshooting/Trip Cause Memory, Display |
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Adjustable
Operating Features by Pulse Rotary switch |
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Wide
Current Adjustment Range |
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Selectable
Time-Current Characteristics(Inverse/Definite) |
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Manual
Instantaneous/Electrical Remote Reset |
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Precise Ground Fault protection |
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Ambient
Insensitive |
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Selectable
Fail-safe and Non-fail-safe Operation Modes |
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Protective Item
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Trip
Time
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Over-current
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DEF:0.2~30sec,
INV:1~30
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Undercurrent
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0.5~30sec(DEF)
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Phase
loss
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within
3sec
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Phase
Unbalance
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0.1sec
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Phase
Reversal
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8sec
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Locked
Rotor
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Lock
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0.5sec
after dt
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stall
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1~10sec
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Ground
Fault
|
0.1~10sec
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Model
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3MZ/FMZ
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Current
Setting Range
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Over-Current(oc)
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0.1~800A(Over
60A with External CTs)
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Under-Current(uc)
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0.5~under
OC setting
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Ground
Fault Current(Ec)
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A:0.03~2.5A/B:0.5~10A
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Time
Setting
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Starting
Delay Time(dt)
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OFF~200sec
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Over-Current
Trip (ot)
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DEF:0.2~30sec/INV:1~30
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Under-Current
Trip (ut)
|
0.5~30sec(DEF)
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Ground
Fault Trip Delay(Et)
|
0.1~10sec
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Conrol
Power
|
220
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85~250VAC/DC,
50/60Hz
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Output
Relay
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O.L
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1-SPST,3A/250VAC,
Resistive
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G.R
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1-SPST,3A/250VAC,
Resistive
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Environment
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Temperature
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Store
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-30
~80 ¡É
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Operation
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-30
~60 ¡É
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Humidity
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30~85RH,
Non-condensation
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Display
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7-Segment
LEDs
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3 phase
current, 3 Trip cause, Run time
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Bar-Graph
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% of
existing Current vs OC setting current
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Mounting
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35mm
DIN-Rail
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EOCR-3MZ
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EOCR-FMZ
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