Schneider Electric

Schneider Electric LRD3363 TeSys Deca Thermal Overload Relay 63-80A, Class 10A, IP20

  • MPN: LRD3363
  • PPN: SCH-LRD3363
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    $308.69

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    Spec sheet

    Description

    TeSys LRD overload relays are designed to be used with TeSys D contactors to make a motor starter. This overload relay can be used with 80 amp through 95 amp TeSys D contactors. These differential thermal overload relays detect over currents in the lines to the motor. When an overcurrent is detected the overload relay working with the contactor will disconnect the power to the motor. This will minimize the damage to the motor windings. This overload relay has an adjustable trip current rating of 63 to 80 amperes. This trip current rating is calibrated per Class 10A. Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine).

    Features

    • Equipped with an adjustable dial spanning 63 to 80 Amps, this relay allows field technicians to calibrate thermal protection precisely to a motor's specific nameplate rating.
    • Designed for a perfect mechanical layout, the LRD3363 mounts directly beneath standard TeSys Deca LC1D80 and LC1D95 3-pole contactors. This plug-and-play assembly completely eliminates extra interconnecting wires, reducing enclosure clutter, simplifying terminal torque steps, and saving significant installation time for commercial panel builders.
    • This differential bimetallic device features built-in phase failure and load unbalance detection that rapidly trips the system if a power phase drops out. By promptly breaking the control circuit before winding heat can spike dangerously, it saves high-value three-phase industrial motors from terminal breakdown and catastrophic burnout.
    • Featuring a clear, sealable protective cover, this relay physically secures your specific amp settings against accidental movement or unauthorized manipulation. Paired with explicit stop and manual/auto-reset buttons, a functional trip-test mechanism, and 1NO+1NC built-in auxiliary contacts, it delivers seamless fault signaling and safe, highly predictable maintenance workflows.

    Documentation & Downloads

    Specifications

    Key Specifications

    Country of OriginBrazil, China, France, United States
    Depth115 mm

    Important Information Attributes

    Persona Type IdsEU, LC, OM, OM8, PB, SC
    Market Segmentation IdCOMMERCIAL, INDUSTRIAL
    Associated Fuse Rating4 A gG for signalling circuit, 4 A BS for signalling circuit
    Mounting Supportplate, with specific accessories, rail, with specific accessories, under contactor
    Permissible Current0.72 A 500 V AC-15 signalling circuit, 0.06 A 440 V DC-13 signalling circuit
    Temperature Compensation-20-60 °C, -20-60 °C
    [Ui] Rated Insulation Voltagepower circuit 1000 V IEC 60947-4-1power circuit 600 V CSA, power circuit 600 V UL
    Carbon Footprint Of The Distribution Phase [A4]0.11399705911971895, 0.1 kg CO2 eq.
    Carbon Footprint Of The Installation Phase [A5]0.06103430356206878, 0.1 kg CO2 eq.
    Carbon Footprint Of The Use Phase [B2 B3 B4 B6]2 kg CO2 eq., 1.8963357840065684
    Local Publishable Date2026-06-27
    Stocking FlagN
    Device TypeRelay, Control & Measurement - Protection relay
    TraceabilityNo
    Weee Product Category5
    Eoli Availability DisplayYes
    Reach Full Compliance StatusFree of Substances of Very High Concern above the threshold
    Reach Compliance DirectiveFree of Substances of Very High Concern above the threshold
    Rohs Eur StatusCompliant
    Rohs Eur Full Compliance StatusCompliant
    China Rohs Label1
    Without Single Use PlasticYes
    Tier Id1
    Function Option IdSTANDARD
    Product Kit IdentifierN
    Control TypeRed push-button stopBlue push-button reset
    Dielectric Strength2.2 kV 50 Hz IEC 60947-1
    Network Frequency0...400 Hz
    Product AvailabilityStock - Normally stocked in distribution facility
    RangeTeSys
    ReturnabilityYes
    Sustainable PackagingYes
    Thermal Protection Adjustment Range63-80 A
    Total Lifecycle Carbon Footprint6 kg CO2 eq.
    Weee LabelThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins.
    Pep CodeENVPEP1101001EN
    Pep Verification Date2025-08-05
    Psr VersionPSR-0005-ed3-EN-2023 06 06
    Data Sourceextrapolated product
    Functional-unit Quantity1
    Reference Lifetime In Y20
    Energy Model - Manufacturing [A1-a3]France, FR
    Energy Model - Use [B6]Electricity Mix; Low voltage; 2018; France, FR
    Recyclability Potential In %63
    Width Nominal70 mm
    [Ue] Rated Operational Voltage1000 V AC 0...400 Hz power circuit IEC 60947-4-1
    Nbr. Of Units In Pkg.1
    Take-backNo
    Customs Code8536490075
    Persona Type NamesEnd User, Contractor, Original Equipment Manufacturer, OEM - Control Panelbuilder, Panel Builder, Electrician
    Market SegmentationCommercial, Industrial
    Mechanical Robustnessvibrations6 Gn IEC 60068-2-6, shocks15 Gn for 11 ms IEC 60068-2-7
    Network TypeDC, AC
    Product NameTeSys LRD, TeSys Deca
    Certificate AgencyIEC, UL, CSA, CCC, EAC, ATEX INERIS, UKCA
    Connections - Terminalscontrol circuit screw clamp terminals 2 1-2.5 mm² flexible with cable endcontrol circuit screw clamp terminals 2 1-2.5 mm² solid without cable end, power circuit screw clamp terminals 1 4-35 mm² flexible without cable end, power circuit screw clamp terminals 1 4-35 mm² flexible with cable end, power circuit screw clamp terminals 1 4-35 mm² solid without cable end, control circuit screw clamp terminals 2 1-2.5 mm² flexible without cable end
    Carbon Footprint Of The End-of-life Phase [C1 To C4]0.9 kg CO2 eq., 0.8942442055865407
    Carbon Footprint Of The Manufacturing Phase [A1 To A3]3 kg CO2 eq., 3.012824590856316
    Local Data StatusPublishable
    Return IndicatorY
    Stock Policy2
    ServiceabilityNo
    Weee ScopeIn
    Scope PerimeterAt least in Europe
    End Of Life Doc RefENVEOLI1101001
    Reach Full Compliance Status IdNOT_CONTAINING_SVHC
    Rohs Eur In ScopeYes
    Rohs Eur Conformity Date2023
    China Rohs In ScopeNo
    With Recycled CardboardYes
    Product Contributes To Saved And Avoided EmissionsNo
    Tier1
    Function OptionStandard
    Compatibility CodeLRD
    Device Short NameLRD
    Flame RetardanceV1 conforming to UL 94
    Phase Failure Sensitivitytripping current 130 % of Ir on two phase, the last one at 0
    Product Or Component Typedifferential thermal overload relay
    Relay Applicationmotor protection
    Software Versionv6.1
    Thermal Overload Classclass 10A IEC 60947-4-1
    Tightening Torquecontrol circuit 1.7 N.m screw clamp terminalspower circuit 9 N.m screw clamp terminals
    Tripping Threshold1.14 +/- 0.06 Ir IEC 60947-4-1
    R Thermal Protection Adj Range63-80 A
    Database Version2023-02
    Pcr VersionPCR-4-ed4-EN-2021 09 06
    Type Of Verification For The PepIndependent internal review
    Functional-unit DescriptionOther switchgear and controlgear solutions mentioned in the scope (e.g. fuses TC32, all-or-nothing relays TC94, Measuring relays and protection equipment TC95), apply the general rules of PCR and mention in the accompanying report the functional unit, the reference product characteristics, the reference lifetime and the use scenario which are applied consistently with the relevant IEC technical standards.
    Functional-unit Unitunit
    Energy Consumption On Product Lifetime In Kwh28.3824
    Energy Model - Installation [A5]Electricity Mix; Low voltage; 2018; France, FR
    Energy Model - End Of Life [C1-c4]Electricity Mix; Low voltage; 2018; France, FR
    Height Nominal81 mm
    [Ith] Conventional Free Air Thermal Current5 A signalling circuit
    [Uimp] Rated Impulse Withstand Voltage6 kV IEC 60947-1
    Package Weight(Lbs)507.000 g
    Warranty (In Months)18

    Environment Attributes Main

    China Rohs RegulationProduct out of China RoHS scope , Pro-active China RoHS declaration (out of China RoHS legal scope)
    Ambient Air Temperature For Storage-60-70 °C, -60-70 °C
    Take BackNo
    Recycled Metal Content At Cr Level0 %
    Mercury FreeYes
    Circularity ProfileENVEOLI1101001
    Environmental DisclosureENVPEP1101001EN
    Ip Degree Of ProtectionIP20 conforming to IEC 60529
    Packaging Without Single Use PlasticYes
    Reach RegulationFree of Substances of Very High Concern above the threshold
    Pep Verification Date2025-08-05
    Psr VersionPSR-0005-ed3-EN-2023 06 06
    Ambient Air Temperature For Operation-20-60 °C without derating IEC 60947-4-1, -20-60 °C without derating IEC 60947-4-1, -20-60 °C without derating IEC 60947-4-1-20-60 °C without derating IEC 60947-4-1, -20-60 °C without derating IEC 60947-4-1, -20-60 °C without derating IEC 60947-4-1
    Product CompatibilityLC1D80, LC1D95
    Reach Free ShvcYes
    Toxic Heavy Metal FreeYes
    Carbon Footprint5.978435943131213
    Climatic WithstandIACS E10
    Eu Rohs DirectiveCompliant
    Packaging Made With Recycled CardboardYes
    Reach Free Of SvhcYes
    Pep CodeENVPEP1101001EN
    Pcr VersionPCR-4-ed4-EN-2021 09 06
    Type Of Verification For The PepIndependent internal review

    General Attributes

    Product Or Component Typedifferential thermal overload relay

    ETIM

    ETIM 8EC000106
    ETIM 9EC000106

    Contractual Warranty Attributes

    Warranty Period18 months
    Warranty18 months
    TeSys Deca Thermal Overload Relay 63-80A, Class 10A, IP20

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