Schweitzer Engineering Laboratories, Inc SEL-749M/KC8057 电机保护继电器
SEL-749M Motor Protection Relay
Horizontal Chassis
Front Panel
LCD Display
8 Target LEDs (6 Programmable)
Operator Control Interface
EIA-232 Port
Processor and Communications Card
EIA-232 Port
Multimode ST® Fiber-Optic Serial Port (Receive only)
IRIG-B Time Code Input or PTC Input
Power Supply Card with 2 DI, 3 DO
IA, IB, IC, IN Current Inputs Card
ACSELERATOR QuickSet® SEL-5030 Software
User Configurable Labels
Instruction Manual CD (printed manual available)
Protocols：
Modbus® RTU
SEL ASCII and Compressed ASCII
SEL Fast Meter, Fast Operate, Fast SER
SEL Fast Message
Ymodem File Transfer
3 Expansion Slots for Optional Cards
Schweitzer Engineering Laboratories, Inc SEL-749M/KC8057 电机保护继电器
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