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OUR PRODUCTS Current controlling module
Relequick's digital module for current control
Current control module
This electronic digital relay for current control has been specially designed to monitor the intensity on single-phase AC/DC circuits. It compares the set intensity value to the real intensity supported by the circuit, activating the alarms and outputs of the relevant relays in order to protect them against over- and undercurrent from 0.5A to 10A and up to 250V.
With its compact design (22.5mm wide casing) it can be mounted on a DIN rail.
Technical features
Download datasheet
The module can be used in two different ways:
  • Manual mode: for a simple regulation of intensity. The switching on may be delayed for a given interval, which can be customized thanks to the built-in controls placed on the front side. This will protect the system from overcurrents.
  • Programming mode: thanks to a built-in mini-USB connection you will be able to connect the module to a PC. With our Easy Control Programmer software you will be able to program easily up to 7 different functions and load them onto the connected module.
Software security lock of the manual regulated range.
Over-, under- and window current monitor, with independent state signals.
Adjustable switch on / off delay
Compact design, easy wiring and 22.5mm wide casing.
LED signaling of voltage state and alarm output on the front side.
Double output with 1-contact relays with a switching capacity of 6A, 250VAC1/30VDC1.
Measurement range from 0.5A to 10A, 250V.
Two models cover all the voltage range, with direct multivoltage supply. Versions with one and two output relays are available for both models:
  • MDC24PM: 12 & 24VAC/DC
  • MDC230PM: 48 & 230VAC/DC
Connection diagram, functions and installation information laser-marked.
Certifications: CE, UL.
Uses and applications
Current monitoring has a wide range of applications. In industrial processes, buildings or wherever electric current needs be monitored and controlled, either for a load supervision or to protect any kind of electrical systems and installations. With this easily programmable module you will be able to use and customize different functions depending on which one best adapts to your needs.
Some common applications are the following:
  • Breakdown protection and prevention due to overloads on low-voltage devices in any kind of system, including heating and cooling systems.
  • Protection of engines against over- and/or undercurrent.
  • Detection of resistor failures on heating systems.
  • Current consumption control.
  • Breakdown and failure protection on lighting systems.
  • Security applications for the industry, buildings, etc.
  • Detection of current leakage of higher values than the preset ones, or due to current decrease (lower values).
  • Alarm and backup supply activation when the main power supply fails.
Functions table

Function 0

Factory default. After the "lock" time the overcurrent alarm is activated when the given threshold is exceeded. NO and NC contacts are admitted. The user can configure the working values with the built-in potentiometers.
Working range: current from 0.5A to 10A with fixed hysteresis set; "lock" time from 0 to 26 seconds.
Factory default function of the current control module

Function 1

The overcurrent alarm is activated after a given "lock" time and during a preset interval when the given current threshold is exceeded.
The user can configure the working values on a PC with our Easy Control Programmer software and then load them onto the module over a USB-connection.
Working range: current from 0.5A to 10A; alarm interval from 0.1 seconds to 999 hours; "lock" time from 0 to 99.9 seconds.
Locked overcurrent control function of the current control module

Function 2

The undercurrent alarm is activated after a given "lock" time and during a preset interval when the given current minimum threshold is not reached.
The user can configure the working values on a PC with our Easy Control Programmer software and then load them onto the module over a USB-connection.
Working range: current from 0.5A to 10A; alarm interval from 0.1 seconds to 999 hours; "lock" time from 0 to 99.9 seconds
Locked undercurrent control function of the current control module

Function 3

The overcurrent alarm is activated while the current exceeds the preset threshold.
The user can configure the working values on a PC with our Easy Control Programmer software and then load them onto the module over a USB-connection.
Working range: current from 0.5A to 10A.
Overcurrent control function of the current control module

Function 4

The undercurrent alarm is activated while the current falls under the preset minimum threshold.
The user can configure the working values on a PC with our Easy Control Programmer software and then load them onto the module over a USB-connection.
Working range: current from 0.5A to 10A.
Undercurrent control function of the current control module

Function 5

The alarm is activated when the current presents values outside a preset range, and it indicates if the deviation is due to an overcurrent or an undercurrent.
The user can configure the working values on a PC with our Easy Control Programmer software and then load them onto the module over a USB-connection.
Working range: current from 0.5A to 10A.
Current window control function of the current control module

Function 6

The alarm is activated after a given "lock" time and during a preset time interval when the current presents values outside a preset range. It indicates if the deviation is due to an overcurrent or an undercurrent.
The user can configure the working values on a PC with our Easy Control Programmer Software and then load them onto the module over a USB-connection.
Working range: current from 0.5A to 10A; alarm interval from 0.1 seconds to 999 hours; "lock" time from 0 to 99.9 seconds.
Locked current window control function of the current control module
References
MDC230PM2 For currents of up to 10 A. Supply voltage 48 / 230 V AC/DC. Two alarms with relay output, 6 A.
MDC024PM2 For currents of up to 10 A. Supply voltage 12 / 24 V AC/DC. Two alarms with relay output, 6 A.
MDC230PM1 For currents of up to 10 A. Supply voltage 48 / 230 V AC/DC. One alarm with relay output, 12 A.
MDC024PM1 For currents of up to 10 A. Supply voltage 12 / 24 V AC/DC. One alarm with relay output, 12 A.
Connection diagrams
Control circuit - Up to 10A Control circuit - More than 10A
Front side
Front view of the current control module
Dimensions
Dimensions of the current control module Dimensions of the current control module

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