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Photovoltaic Isolators & Protection

ABB CM-UFD.M33 MULTIFUNCTION GRID PROTECTION RELAY

Product Code: CM-UFD.M33

The multifunctional grid protection relay is designed to monitor voltage and frequency in single- and three-phase mains. It operates on 2-wire, 3-wire, or 4-wire AC systems. The relay is based on ANSI codes including 59, 27, 81H, 81L, 78, and 81R. It has a measuring range of L-L: 0-550 V AC and L-N: 0-317 V AC.

Technical Specifications

Brand ABB
Measuring Range AC (V) 0-550 (L -L), 0 - 317 (L -N)
Rate of Change of Frequency ROCOF Yes
Rated Control Supply Voltage AC/DC (V) 24 - 240
Vector Shift Yes
Width (mm) 6 Modules (108mm)

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