Manufacturing for this product has been discontinued. As an alternative, please refer to the 350 relay.

The MIN, a member of the M Family of protection relays, is a digital
relay that provides ground directional protection for feeders of any voltage level and backup/auxiliary ground directional protection for transformers, generators and motors. The MIN offers advanced
protection that includes the features listed below. 

Applications

• Directional ground protection relay
• Backup/auxiliary protection for line schemes
• Component relay for generator, motor, and transformer packages Protection and Control
• Two ground IOC (high and low) units for grounded systems
• Two ground TOC (high and low) units for grounded systems
• Two directional units (6"N) for grounded systems
• Two directional units for undergrounded or Petersen coil systems
• Configurable breaker failure to open
• Directional comparison: scheme logic (MIN L models)
• 4 preconfigured overcurrent curves (ANSI or IEC)
• Configurable breaker failure protection (50BF)
• Configurable I/O

Monitoring & Metering

• 32 Event record
• Analog/digital oscillography
• KI² counter for breaker maintenance
• Ground current metering User Interfaces
• M+ Setup software for setting, monitoring
• RS232 port, faceplate accessible (19.2 kbps, ModBus ® RTU)
• RS485 rear port (19.2 kbps, ModBus ® RTU)
• LED dot matrix display and keypad