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Description
SR760-P5-G5-D5-HI-A20-R Distribution feeder management relay
Product Description
The GE SR760-P5-G5-D5-HI-A20-R is a distribution feeder management relay manufactured by General Electric Multilin with a variety of protection features that can be used as a standalone unit or installed with other SR series units. Here are some key details about the product:
Model: SR760-P5-G5-D5-HI-A20-R.
Brand: GE (General Electric).
Type: Distribution feeder management relay.
Control power supply: Provides a high control power range for different voltage requirements.
Input: 5A phase current input, 5A zero sequence current input and 5A sensitive ground current input are designed.
Outputs: Has eight analog outputs, two factory programmed for circuit breaker control, one factory programmed as an alarm relay, and five more user configurable, controlled by any function.
Analog outputs: All analog outputs are 4 to 20 mA, and the “A20” in the model indicates this.
Communication interface: Provides network interface, such as 10Mbps Ethernet, RS232, RS485 and RS422 ports, support ModBus™ RTU, TCP/IP, DNP 3.0 Level 2 and other protocols.
Monitoring and metering: Built-in metering function, can measure current, voltage, sequence component, power, energy, voltage, etc.
Protection functions: including directional time, instantaneous phase and ground overcurrent protection, directional sensitive ground and limited ground fault protection, reverse power protection, synchronous check, automatic bus conversion or manual control.
User interface: Includes 40-character display, 20 LED indicators, numeric keypad, status indicator, numerical up and down keys, RS232 port interface, and control and programming keys.
Upgrade Kit: If an upgrade is needed, the Multilin SR 750 series comes with an upgrade kit that provides a three-step process to upgrade an existing 750 relay.
Environmental adaptability: Suitable for harsh environments, optional conformal coating is suitable for chemical corrosion and humid environments.
Applications: Suitable for primary protection and control of distribution feeders, including distribution feeders on solid ground, high resistance ground or resonant (Peterson Coil) ground systems.
SR750-P5-G5-S5-HI-A20-R-T
Product parameter
Model: SR760-P5-G5-D5-HI-A20-R
Brand: GE Multilin
Input current:
5A phase current input
5A zero sequence current input
5A Sensitive ground current input
Output:
Eight analog outputs (4-20 mA)
Two relay outputs are used for circuit breaker control
A relay output is used for alarm
Communication interface:
10Mbps Ethernet port
RS232, RS485 and RS422 serial ports
Supports ModBus RTU, TCP/IP, and DNP 3.0 Level 2 protocols
Protection function:
Directional time, instantaneous phase and ground overcurrent protection
Directional sensitive grounding and limited grounding fault protection
Reverse power protection
Synchronous check
Automatic bus conversion or manual control
Monitoring and Metering:
Current, voltage, sequence component, power, energy, voltage measurement
Circuit breaker operation and fault detection
Total circuit breaker arc current
Ambient temperature/analog sensor input
Oscillators and data loggers – up to 10 records, up to 32 power cycles
User interface:
40-character display
20 LED indicators
Numeric keypad
RS232 port Indicates an interface
Control and programming keys
Upgrade kit:
Provides a three-step upgrade process that simplifies upgrading existing 750 relays
Environmental adaptability:
Optional conformal coating for chemical corrosion and humid environments
Application field
Main protection and control of distribution feeders
Bus blocking/interlocking scheme
High-speed fault detection to mitigate arc flashes
Load reduction scheme based on voltage and frequency elements
Backup protection of transmission lines, feeders and transformers
Distributed generation (DG) interconnection protection
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