This product is available to customers who have previously purchased this model number. For new installations, we recommend the M-3425A.
Generator Protection System
The Generator Protection system M-3420 provides protection, control, monitoring and user interface functions. Includes protection for stator phase and ground faults, loss-of-field, overexcitation, current unbalance (negative sequence), abnormal voltage and frequency, anti-motoring and inadvertent energizing. Breaker failure, VT fuse loss and system backup protection also provided. Stored targets and oscillography can be time-stamped. Dual RS-232 and RS-485 communication ports provide user-interface capabilitites.
- Microprocessor-based Generator Protection system provides 17 protective relay functions
- Individually programmable input contacts can be programmed to activate any one of eight output contacts
- Local and remote communications capability for both monitoring and control functions.
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