SP320 Frequency Monitoring Relay

Features

• 11-pin plug-in.
• Fail-to-safe design.
• Selectable: Over-frequency, Under-frequency or Frequency Window Monitoring
• Start-up delay: 0 sec or 10 sec (selectable)
• Versions available for 50Hz or 60Hz mains
• Separately adjustable setpoints for Over-frequency and for Under-frequency
• 50Hz mains: Over-frequency (52 to 58 Hz), Under-frequency (42 to 48Hz)
• 60Hz mains: Over-frequency (63 to 70 Hz), Under-frequency (50 to 58Hz
• 400Hz nominal frequency versions available on request
• Fixed hysteresis: 0.5Hz
• LED indication of Power ON, Relay ON, over frequency & under frequency.
• 10A SPDT relay output.
• Requires optional S3-B 11-pin base.