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RM-PC1S

Microcontroller based
Transfer between 2 three phase supplies
Overvoltage and undervoltage protection
Parameters setting by knobs
LEDs indication for overvoltage and undervoltage faults
Mounting on DIN-Rail
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Automatic transfer relay is used to control the work performance and accuracy of power lines and automatic switching power supply facility sources in the event of power line parameters decrease or total loss of voltage on the line.

Technical data


Supply terminals

N,A1,B1,C1 /N,A2,B2,C2

Rated supply voltage

AC 3*230V

Operation voltage range

AC 50V~400V

Rated frequency

50/60Hz

Overvoltage(>U)value

270V fixed

Undervoltage(<U) setting range

150~210V

Switch on delay Ton

5s~10mim

Switch off delay Toff

0.3s~15s

Transfer delay

0.3s~5s

Voltage hysteresis

5V

Asymmetric voltage

80V

Voltage measurement accuracy

≤1%(over the whole range)

Trip delay for >U,<U and asym

0.3s

Max Output current

8A(AC1)

Electrical life

105

Mechanical life

106

Protection degree

IP20

Pollution degree

3

Altitude

≤2000m

Operating temperature

-25~50

Humidity

≤50% at 40℃(without condensation)

Storage temperature

-25~55


Front-face panel



Function diagrams





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