Overview
The GE Fanuc 489-P5-LO-A20-E is a Generator Management Relay designed to protect and manage both synchronous and induction generators. It ensures reliable operation by monitoring critical parameters like voltage, current, and frequency.
Technical Specifications
- Model Number: 489-P5-LO-A20-E
- Brand: GE Multilin / GE Grid Solutions
- Type: Generator Management Relay
- Display: 40-character alphanumeric LCD display
- Front Panel:
- Numeric keypad
- Status indicators
- Control and programming keys: reset, enter, menu, menu up/down
- RS232 port interface
- Back Panel:
- 12 RTD inputs
- 6 output relays
- 2 RS485 communication ports
- 4 VT inputs
- 4 isolated 4-20 mA analog inputs/outputs
- 7 assignable digital inputs
- 7 CT inputs for current sensing (3-phase output/neutral and ground)
Key Features
- Communication Protocols:
- Modbus RTU
- DNP 3.0 (up to 19200 bps)
- Operating Frequency: 25, 50, or 60 Hz
- Power Supply:
- 20-60 VDC
- 20-48 VAC (48-62 Hz)
- Phase CT Secondaries: 5 A
- Control Power: 20-60 VDC, 20-48 VAC
- Analog Outputs: 4-20 mA
- Inputs:
- 12 RTDs
- 4 VT inputs
- Digital inputs
- Outputs:
- 6 Form-C relays (5 non-failsafe, 1 failsafe)
- Weight: 10.0 lbs
- Dimensions: 21.6 cm (L) x 22.4 cm (W) x 25.2 cm (H)
- Environment:
- Industrial use
- IP40 front, IP10 back
- Altitude: Up to 2000 meters
- Protection: Overcurrent, undervoltage, and frequency monitoring