M – multitek 电力监测继电器MONITORING RELAYS
AC CURRENT
M200-A1U Single phase under current
M200-A1O Single phase over current
M200-A1C Single Phase combined current
M200-A3U 3 Phase under current
M200-A3O 3 Phase over current
AC VOLTAGE
M200-V1U Single phase under voltage
M200-V1O Single phase over voltage
M200-V1C Single phase combined voltage
M200-V33U 3 phase 3 wire under voltage
M200-V33O 3 phase 3 wire over voltage
M200-V33C 3 phase 3 wire combined
M200-V34U 3 phase 4 wire under voltage
M200-V34O 3 phase 4 wire over voltage
M200-V34C 3 phase 4 wire combined voltage
FREQUENCY
M200-F1U Single or 3 phase under frequency
M200-F1O Single or 3 phase over frequency
M200-F1C Single or 3 phase combined frequency
REVERSE POWER
M200-RP1 Single phase or 3 phase 4 wire
M200-RP3 3 phase 3 wire
SYNCHRONISING CHECK
M200-PLL 1 generator 1 bus or 2 generators
M200-PLD 1 generator 1 bus with dead bus facility
PHASE SEQUENCE
M200-PS1 3 phase 3 or 4 wire
PHASE BALANCE
M200-PB1 Detects phase loss & phase unbalance
M200-PB2 Detects phase loss, phase unbalance & symmetrical under-voltage
SPEED SENSING
M200-ST3
DC TRANSDUCER TRIP
M200-TAU DC volts or mA under trip
M200-TAO DC volts or mA over trip
M200-TAC DC volts or mA combined trip
THERMOCOUPLE
M200-TJU J type thermocouple under trip
M200-TJO J type thermocouple over trip
M200-TKU K type thermocouple under trip
M200-TKO K type thermocouple over trip
THERMISTOR TRIP
M200- TTA Automatic reset
M200-TTM Manual reset
MILLIVOLT TRIP
M200-MVU mV under trip
M200-MVO mV over trip
M200-MVC mV combined trip
DC VOLTAGE TRIP
M200-TVU DC volts under trip
M200- TVO DC volts over trip
M200-TVC DC volts combined trip
. . . . . . 更多multitek 电力监测继电器-电气自动化产品，请来电咨询：