Protection relays
Related Products
Generator protection unit GPU 300 (1)
- Comprehensive generator/busbar protection
- Smart synchronisation check
- Supervision
- High resolution 5" colour graphic display with push-buttons
- Flexible and modular input/output with metal rack
- Plug & play, auto-configure I/O modules and network
- Integrated 5 × RJ45 ports with auto-detected multi-function
- Access to all connected units in one point
- Context-sensitive help in the controller display unit
- Event and alarm log, with real-time clock
- Pre-defined control settings
- User-friendly logic configuration tool, based on ladder logic and function blocks with monitor operation
- Password-protected, with customisable permission levels
- 3-phase AC measurement, up to 690 V AC directly, class 0.5
- Easy-to-use PC tool (PICUS)
- Advanced alarm handling with latch and shelve possible
Medium Voltage Relay MVR-200 series
- Three phase overcurrent protection stages INST, DT or IDMT
- (Sensitive) Earth-fault protection stages INST, DT or IDMT
- Harmonic overcurrent protection / inrush blocking stages INST, DT or IDMT
- Cold-load pick-up block
- Current unbalance / broken conductor protection stages INST, DT or IDMT
- Thermal overload protection (line)
- Restricted earth fault protection (low-imp)
- Cable-end differential protection
- Directional three-phase overcurrent protection stages DT or IDMT
- Directional (sensitive) residual overcurrent protection stages DT or IDMT
- Intermittent earth fault
- Fault locator
- Overvoltage protection stages INST, DT or IDMT
- Undervoltage protection stages INST, DT or IDMT
- Positive sequence under/overvoltage protection stages INST, DT or IDMT
- Residual voltage protection stages INST, DT or IDMT
- Frequency protection stages
- Rate of change of frequency
- Vector Jump / surge
- Reverse/under/over power protection stages INST, DT or IDMT
- Synchrocheck
- Auto-reclose
- Fuse failure
- Current transformer supervision
- Switch onto fault logic
- Breaker failure protection
- Programmable stage
