Undervoltage relay, U< and U<. DEIF's RMV protective voltage relays are
applied for generator, motor and transformer protection against adverse
system voltage conditions. The versatile unit features a number of
adjustable parameters.
DEIF's RMV protective voltage relays are applied for generator, motor and
transformer protection against adverse system voltage conditions.
The versatile unit features a number of adjustable parameters.

Variants
RMV-112D
• Under- and over-voltage
• U>: 100 to 120 %, U<: 80 to 100 %
RMV-122D
• Over-voltage (double)
• U>: 100 to 120 %, U>: 100 to 120 %
RMV-132D
• Under-voltage (double)
• U<: 80 to 100 %, U<: 80 to 100 %
RMV-142D
• Under- and Over-voltage
• U>: 100 to 120 %, U<: 80 to 100
Features
• Under-voltage (double).
• U<: 80 to 100 %, U<: 80 to 100 %.
• Under-voltage/over-voltage (U< + U>)
• ANSI code 27 and 59
• 3-phase measurement
• LED indication of fault condition
• Timer-controlled tripping
• LED indication for activated relay
• 35 mm DIN rail or base mounting
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