SPI interface protection relay Abb CMUFDM22

Abb CMUFDM22 SPI Interface Protection Relay

Abb CMUFDM22 SPI Interface Relay Tunnel offers high hardware protection for sensitive measurements and at the same time is designed to minimize time, cost and require minimal labor of wiring. It is a T6 relay with four inputs and features one commutating coil, two outputs, a rated operating voltage of 24 VDC and an operating temperature of -40°C to +85°C.

Characteristics of the SPI interface protection relay Abb CMUFDM22

• Front LEDs for immediate status signaling
• Large front backlit display
• Input states and outputs and alarms Signaled on the Display
• Protection of the configuration through two levels of alphanumeric passwords
• Self-test function with active feedback
• Non-volatile storage of the last 99 events (cause of error and history)
• Wide range auxiliary power supply 24 - 240 V AC/DC
• With switching technology
• 200 ms buffer against voltage micro-interruptions
• Modular housing, 6-module width that can be installed on DIN rails: compact dimensions
• Wide operating temperature range
• Relay certified by an accredited laboratory< /li>
• Double threshold over/under frequency protection
• Double threshold undervoltage protection
• Overvoltage and average overvoltage protection
• Derivative of Selectable frequency
• Monitoring of the neutral conductor