TeSys LRD Thermal Overload Relays, 16...24A Class, 10A



Qty UoM EAN Colour





Product or component type

differential thermal overload relay

Product compatibility

  • LC1D25
  • LC1D32
  • LC1D38
    • Sustainable offer status

      Green Premium product


      18 months


      Mounting support

    • plate, with specific accessories
    • rail, with specific accessories
    • under contactor
      • [Ue] rated operational voltage

        690 V AC 0...400 Hz

        Control type

      • red push-button: stop
      • blue push-button: reset
        • Connections - terminals

        • control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² flexible without cable end
        • control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² flexible with cable end
        • control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² solid
        • power circuit: screw clamp terminals 1 cable(s) 1.5-10 mm² flexible without cable end
        • power circuit: screw clamp terminals 1 cable(s) 1-6 mm² flexible with cable end
        • power circuit: screw clamp terminals 1 cable(s) 1.5-10 mm² solid
          • Width

            45 mm


            70 mm

            Net weight

            0.124 kg

            IP degree of protection

            IP20 conforming to IEC 60529

            Ambient air temperature for operation

            -20-60 °C without derating conforming to IEC 60947-4-1

            Ambient air temperature for storage

            -60-70 °C


          • EN 60947-5-1
          • CSA C22.2 No 14
          • IEC 60947-5-1
          • UL 508
          • EN 60947-4-1
          • ATEX D 94/9/CE
          • IEC 60947-4-1
            • Product certifications

            • CSA
            • RINA
            • GOST
            • CCC
            • ATEX INERIS
            • LROS (Lloyds register of shipping)
            • BV
            • DNV
            • GL
            • UL
              • REACh free of SVHC


                EU RoHS Directive


                Mercury free


                RoHS exemption information


                China RoHS Regulation

                Product out of China RoHS scope. Substance declaration for your information

                Environmental Disclosure


                Circularity Profile



                Product name

                TeSys LRD

                Device short name


                Relay application

                motor protection

                Network type

              • DC
              • AC
                • Thermal protection adjustment range

                  16-24 A

                  [Ui] rated insulation voltage

                • power circuit: 600 V conforming to CSA
                • power circuit: 600 V conforming to UL
                • power circuit: 690 V conforming to IEC 60947-4-1
                  • Network frequency

                    0...400 Hz

                    Tripping threshold

                    1.14 +/- 0.06 Ir conforming to IEC 60947-4-1

                    [Ith] conventional free air thermal current

                    5 A for signalling circuit

                    Permissible current

                  • 1.5 A at 240 V AC-15 for signalling circuit
                  • 0.1 A at 250 V DC-13 for signalling circuit
                    • [Uimp] rated impulse withstand voltage

                      Phase failure sensitivity

                      tripping current 130 % of Ir on two phase, the last one at 0

                      Temperature compensation

                      -20-60 °C

                      Tightening torque

                    • control circuit: 1.7 N.m - on screw clamp terminals
                    • power circuit: 2.5 N.m - on screw clamp terminals
                      • Compatibility code


                        Protective treatment

                        TH conforming to IEC 60068

                        Flame retardance

                        V1 conforming to UL 94

                        Mechanical robustness

                      • vibrations: 6 Gn conforming to IEC 60068-2-6
                      • shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
                        • Dielectric strength

                          6 kV at 50 Hz conforming to IEC 60255-5

                          Unit Type of Package 1


                          Number of Units in Package 1


                          Package 1 Weight

                          140.9 g

                          Package 1 Height

                          5 cm

                          Package 1 width

                          7.6 cm

                          Package 1 Length

                          8.8 cm

                          Unit Type of Package 2


                          Number of Units in Package 2


                          Package 2 Weight

                          3.731 kg

                          Package 2 Height

                          15 cm

                          Package 2 width

                          30 cm

                          Package 2 Length

                          40 cm

                          Unit Type of Package 3


                          Number of Units in Package 3


                          Package 3 Weight

                          74.924 kg

                          Package 3 Height

                          80 cm

                          Package 3 width

                          80 cm

                          Package 3 Length

                          60 cm


                          The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
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                          • Declaration of Conformity

                          Frequently Asked Questions

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                          What are the wiring terminals on the IEC LRD* overload relays?

                          Product Line:
                          Tesys D line Overload Relays
                          The normally closed overload contact are terminals 95 & 96; and the normally open overload contact are terminals 97 & 98.
                          T1 T2 and T3 are the load terminals. 

                          The normally closed control circuit contact will open when there is a fault, this contact is typically used in series with the control circuit. 

                          The normally open trip signal contact closes when a fault occurs which is typically used to control a pilot light, or alarm. 


                          What is the difference between a LR3D21 and LRD21?

                          What overload can be used for the LC1D32 contactor @16amps?

                          either the LRD21, 12 to 18 amps.
                          Or the LRD22, 16 to 24 amps.

                          What is the Din rail terminal block to suit the LRD12?

                          The LAD7B106 fits the LRD01 to LRD35 range.

                          What is the replacement for a Clipsal 6CTR38/15?

                          This is part of the old Clipsal 6 series contactors which are no longer available .It is an old Clipsal overload, which would need to be changed over to a Schneider LC1D range contactor with overload to suit . Over load to use is either LRD21 for 12-18A or LRD16 for 9-13A

                          For correct selection of contactor and overload required please call Schneider Electric on 1300 369 233

                          Alternative Overload for the PDL56T992 (6.0-9.2A)

                          Either go for the LRD12 (5.0-8.0A) or the LRD14 (7.0-10.0A) depending on the size of the motor. This will not fit the old 56 Series DOL starter

                          Is there a replacemnet for the old DOL motor starters like LE1D12U7R10?

                          All of the LE1D12U7R** parts have now been Divide into two parts enclosed starter and thermal overload see table for the new part numbers/ format:
                          Old Part Numbers Enclosed Starter Thermal Overload
                          LE1D12U7R10 LE1D12U7S48 plus LRD10
                          LE1D12U7R12 LE1D12U7S48 plus LRD12
                          LE1D12U7R14 LE1D12U7S48 plus LRD14
                          LE1D12U7R16 LE1D12U7S48 plus LRD16

                          For further information please visit https://www.clipsal.com/Trade


                          What is the overload to suit LE3D12N7 star delta starter?

                          Overload to suit LE3D12N7 will be either LRD12, LRD14 or LRD16 depending on application.

                          What is the replacement AC coil for CAD32 and CAD50 relay?

                          AC coil replacement for CAD32 and CAD50

                          Product Line:

                          Tesys CAD Control Relays

                          Product selection

                          Volt = coil part number
                          12 = LXD1J7
                          21 = LXD1Z7
                          24 = LXD1B7
                          32 = LXD1C7
                          36 = LXD1CC7
                          42 = LXD1D7
                          48 = LXD1E7
                          60 = LXD1EE7
                          100 = LXD1K7
                          110 = LXD1F7
                          115 = LXD1FE7
                          120 = LXD1G7
                          127 = LXD1FC7
                          200 = LXD1L7
                          208 = LXD1LL7
                          220/230 = LXD1M7
                          230 595 21 LXD1P7
                          230/240 = LXD1U7
                          277 781 30 LXD1W7
                          380/400 = LXD1Q7
                          400 = LXD1V7
                          415 = LXD1N7
                          440 = LXD1R7
                          480 = LXD1T7
                          600 = LXD1X7
                          690 = LXD1Y7


                          What is the alternative to the PDL56T992 Overload

                          the LRD12 is the same rated overload to suit the current range of 56 series DOL starters but will not fit on the old DOL starter the 56T992 was used for.                                                                                                                                                                                                                                      

                          What is the difference between the LA7D305 and LAD7305, remote control reset mechanism by flexible cable?

                          Identifying differences between two similar part numbers.

                          Product Line:
                          IEC contactors and starters

                          Products sold and used in the United States

                          Choosing the correct part number

                          LAD7305 is for use on LRD01 to LRD35 , LR3D01 to LR3D35, and LRD313 to LRD365.
                          LA7D305 is for use on all other relays (except LRD01 to LRD35 and LR3D01 to LR3D35).


                          Can the LRD01 to LRD35 range be put back to manual from automatic.

                          This LRD range cannot be put back to Manual reset, once the overlaod has been changed from Manual (factory default) to Automatic.
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