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      Minilec Motor and Pump Protection Relays S2 CMR1

      Minilec Motor and Pump Protection Relays S2 CMR1

      Product Details:


      Product Description

      Minilec Motor and Pump Protection Relays

       OVERVIEW :-

      Phase Failure


      Phase sequence

      Overloading and dry running (Under current) Microcontroller based design

      SMD technology

      Auto/Manual Reset

      Adjustable current trip settings

      Selectable overload characteristics

      2 CO output relay


      Supply Voltage

      System : 100-120/220-240/380-440V AC ± 20%, 48-63 Hz

      Auxillary : 100-120/220-240VAC±20%, 24V DC+10%-15%

      Output Relay Contact : 2 CO

      Input : -

      Trip Setting

      Phase to phase unbalance : 50% of Motor Current (Fixed)

      Under current (Dry running) : 40% to 80% of set current

      Overload : As per inverse time characteristics

      UV/OV : N.A.

      Trip Time Delay

      On phase failure : 4 Sec ± 1 Sec (Fixed)

      For overloading : As per Inverse Time Characteristics
      2/5/10 Sec. (Selectable)

      UV/OV RP : N.A.

      Resetting : Auto / Manual

      Approx Weight : 140 gms

      Dimensions (mm)

      Overall (L x W x D) : 90 x 35 x 60

      Mounting (L x W) : 35 mm Rail Mounting


      Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)

      Selection Chart For CTS Times full Load Current
      S2 CTS1 S2 CTS1


      Timing/ Relay logic Diagram

      Electrical Connection Diagram

      S2 CMR1 S2 CMR1

      Relay contact position shown in 'Power off' condition


      Suitable for Panels in Following Apllications:

      Air -Conditioning & Refrigeration Machines

      Screw Compressors

      Lift , Elevators, Hoist & Cranes

      Crusher Motors , Mining M/c

      End Users


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