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RM-PL1

Microcontroller based.
Rated supply voltage 50-450VAC
“Priority” control
Overvoltage, undervoltage and overpower
LED indication for control state
DIN Rail mounting
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The power consumption limiter  is designed for continuous monitoring and control of the power consumption of device connected to the single phase network.

RM-PL1 power consumption limiter is used for protecting devices 
against overpower, overvoltage and undervoltage faults. It calculates 
the power consumption of using device through detecting input voltage 
and current values . 
The output relay of RM-PL1 will close after Ton delay. When power 
consumption detected is higher than P > setting value, the output relay 
opens after Toff delay. When an input voltage fault was detected, the 
output relay opens. If continuous 5 times such faults. RM-PL1 begin a 
10minutes delay and enter output state after the delay is elapsed. 
RM-PL1 can be widely applied for power consumption limiting of 
heating system, lighting, motor and generator etc .


Technical data


Supply terminals

N,L

Rated supply voltage

AC50~450V

Rated frequency

50Hz

Overpower setting range

3~30kW

Overpower rough step value

3kW

Overpower fine step value

0.25kW

U> trip value

260V

U> reset value

254V

U> trip delay

0.1s

U< trip value

160V

U< reset value

166V

U< trip delay

5s

Reset/start delay(Toff)

1s ~240s

Trip delay(Ton)

2s ~3600s

Voltage measurement error

≤1%(50~450V)

Current measurement error

≤3%(3~150A)

Current load

8A/AC1

Contacts capacity

AC-15: 2A

Output contact

2C/0

Rated insulation voltage

415VAC

Protection degree

IP20

Pollution degree

3

Electrical life

105

Mechanical life

106

Altitude

≤2000m

Ambient temperature

-25~+50

Permissable relative humidity

≤50% at 40℃(without condensation

Storage temperature

-25~+55

Conductor size

0.5mm2~1mm2 

Torque

0.5Nm


Front-face panel



Functions description


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