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Schweitzer Engineering Laboratories SEL-321 User Manual

Schweitzer Engineering Laboratories SEL-321
396 pages
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SEL-321
SEL-321-1
PHASE AND GROUND DISTANCE RELAY
DIRECTIONAL OVERCURRENT RELAY
FAULT LOCATOR
INSTRUCTION MANUAL
SCHWEITZER ENGINEERING LABORATORIES
2350 NE HOPKINS COURT
PULLMAN, WA USA 99163-5603
TEL: (509) 332-1890 FAX: (509) 332-7990

Table of Contents

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Schweitzer Engineering Laboratories SEL-321 Specifications

General IconGeneral
TypeDistance Relay
Frequency50/60 Hz
Current Rating5 A
Communication ProtocolsDNP3, IEC 61850, Modbus
Operating Temperature-40°C to +85°C
Protection FunctionsOvercurrent, Breaker Failure
MeteringVoltage, Current, Power, Energy
LogicProgrammable logic with SELogic control equations
HMILCD Display
Communication PortsEthernet, Serial
Standards ComplianceIEC 61850, IEC 60255

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