Schneider Electric Ac Current Relays Model 3MS/DMS
■ Compact Design
■ 3MS:Panel Mounting Type
■ FMS:Panel Flush Mounting Type
■ MCU( Microprocessor Control Unit )&ASIC Based
■ Three Integral Current Transformers
■ Overcurrent/Phase Loss/Phase Reversal/Phase Unbalace/Locked Rotor/Short Circuit
■ Digital Ammeter
■ Troubleshooting/Trip Cause Memory, Display
■ Adjustable Operating Features by Pulae Rotary switch
■ Wide Current Adjustment Range
■ Selectable Time-Current Characteristics(Inverse/Definite)
■ Manual Instantaneous/Electrical Remote Reset
■ Fast Short Circuit protection
■ Ambient Insensitive
■ Selectable Fail-safe and Non-fail-safe Operation Modes
EOCR Model 3MS/FMS Technical Specs
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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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|
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within 3sec
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|
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0.1sec
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|
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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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Short Circuit
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within 0.05sec
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Model
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3MS/FMS
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Current Setting Range
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Over-Current(oc)
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0.1~800A(Over 20A with External CTs)
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Under-Current(uc)
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0.5~under OC setting
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Short Circuit (Sc)
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300~1800% of set current
|
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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)
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0.5~30sec(DEF)
|
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Conrol Power
|
220
|
85~250VAC/DC, 50/60Hz
|
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Output Relay
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O.L
|
2-SPST, 3A/250VAC, Resistive
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S.H
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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 ℃
|
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Operation
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-30 ~60 ℃
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Humidity
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30~85%RH, Non-condensation
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Display
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7-Segment LEDs
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3 Phase current, 3 Trip causes, 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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