SR745 series SR745-W2-P1-G1-HI-A-L-R Generator Management Relay
Economical protection, metering, and monitoring functions for small and medium sized generators.
The SR745-W2-P1-G1-HI-A-L-R Generator Management relay is a high-performance protective relay manufactured by GE Multilin and designed for protection and control applications in power systems. The relay belongs to the GE Multilin 489 series, which is in the same family as the GE Multilin 469 motor protection relay and the GE Multilin 735 feeder protection relay
SR745-W2-P1-G1-HI-A-L-R Specifications:
◆ Model: SR745-W2-P1-G1-HI-A-L-R
◆ Manufacturer: GE Multilin
◆ Application scenario: power system protection and control
Main characteristics
◆ Voltage and frequency options
◆ Multiple voltage options
◆LO control power: 20-50 VDC, 48-72 VAC at 20-68 Hz
◆ Size and weight: 21.6cm x 222.4cm x 25.2cm, 10kg
◆ Analog output: 4 to 20mA
◆ Display and panel: 40-character display, including multiple status leds, input buttons, etc
Technical parameter
◆ Working voltage: 120v ac / 50/60hz
◆ Communication function: optional Ethernet port
◆ Input/output configuration: four isolated 4-10 mA analog inputs and outputs and seven assignable digital inputs
Application field
◆ Generator protection
◆ Can be used for induction or synchronous generator
Other information
◆ Protection, measurement and monitoring functions
◆ Support microprocessor or solid state relay configuration
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Basic information
◆ 489 series manufactured by GE Multilin
◆ Designed for small and medium-sized generators
Main function
◆ Generator overvoltage protection
◆ Generator overcurrent protection
◆ Generator reverse power protection
◆ Generator lost magnetic protection
Technical parameter
◆ Control voltage: 20 to 60VDC or 20 to 48VAC@ 48-52Hz
◆CT input: 1A phase secondary coil, 5A phase CT secondary coil
◆ Output signal: analog output is 4 to 10 mA, high precision and reliability
Characteristics and advantages
◆ Easy to install and maintain, compact design, space saving
◆ High control power supply support: 90-300 volts DC and 70265 volts AC
◆ Large LCD enhanced display, providing vibration monitoring analog input and bearing thermal protection RTD
Application field
◆ Power system protection, monitoring, automatic management, energy management, etc
◆ Large cement, petroleum, mining, steel, shipbuilding and other industries
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