DEIF MULTI-LINE GPU-3 Generator Protection Unit
DEIF MULTI-LINE GPU-3 is a microprocessor-based generator protection controller from DEIF’s Multi-Line series, designed for comprehensive three-phase generator safety supervision and grid synchronization, widely used on marine vessels, offshore platforms, diesel genset stations, small hydropower plants and industrial power management systems. DEIF MULTI-LINE GPU-3 integrates full electrical protection algorithms and real-time power parameter measurement, acting as a core spare control component to safeguard synchronous and asynchronous generators against various grid and load faults. Power system technicians rely on DEIF MULTI-LINE GPU-3 to deliver reliable fault detection, automatic alarm triggering and generator trip functions under continuous heavy-load operation.
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Core Procurement & Technical Specifications
- Brand: DEIF (Multi-Line Series)
- Model: MULTI-LINE GPU-3
- Availability: In stock, limited original factory surplus inventory
- Delivery Time: Within 3 working days after payment confirmation
- Warranty: 12-month full functional warranty
- Condition: Original brand new surplus, unused, factory sealed packaging
- Input/Output: Built-in 3-phase voltage & current measuring circuits; expandable digital I/O, 4-20mA analog I/O, optional engine interface terminals
- Operating Temperature: -25°C ~ +70°C, IP20 cabinet protection rating
- Dimensions/Weight: Standard panel-mount housing with detachable LCD display, lightweight compact design
- Communication: Supports Modbus RS485, CAN J1939, Profibus DP for PLC/SCADA interconnection
- Standard Protection Functions: Reverse power, overload, over/under voltage, over/under frequency, unbalance, short-circuit, wire break monitoring
- Configuration Tool: Free PICUS PC software for parameter tuning, logic programming and firmware upgrade
- Optional Expansion: Independent backup engine interface card with separate power supply for emergency supervision
Key Advantages
- All-in-one comprehensive generator protection suite covering common electrical faults, reducing extra auxiliary protection hardware costs
- Multi-protocol communication compatibility, seamless data exchange with marine power management PLC and remote SCADA monitoring platforms
- Marine-grade wide temperature and anti-vibration design, stable long-term operation in ship engine rooms and outdoor power stations
