Schneider Electric

Schneider Electric LRD32 TeSys Deca Thermal Overload Relay 23-32A Class 10A IP20

  • MPN: LRD32
  • PPN: SCH-LRD32
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    $179.92

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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 9 amp through 38 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 16 to 24 amperes. This trip current rating is calibrated per Class 10A. Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine).

    Features

    • The Schneider LRD32 is a differential thermal overload relay designed to protect AC motors against overloads, phase failure, long starting times, and prolonged stalling of the motor. It is engineered to mount directly beneath a TeSys D contactor (specifically models LC1D25 through LC1D38), creating a compact and highly reliable motor starter assembly.
    • Featuring a versatile adjustment dial, the LRD32 covers a current range of 23 to 32 Amps. This allows maintenance technicians to precisely calibrate the protection level to match the specific nameplate rating of the motor, ensuring the system only trips under genuine fault conditions while preventing "nuisance trips" during standard operation.
    • This relay features advanced differential protection, which monitors the balance between all three phases. If one phase is lost or significantly unbalanced a common cause of rapid motor burnout the LRD32 will trip the circuit immediately, saving the motor from catastrophic internal damage and avoiding costly unscheduled downtime.
    • The LRD32 offers maximum flexibility with a dual-function Manual/Auto reset selector. In "Manual" mode, an operator must physically press the reset button after a fault, ensuring a safety check is performed. In "Auto" mode, the relay resets itself once the bimetallic strips have cooled, making it ideal for remotely located pumps or fans where manual intervention is difficult.
    • To simplify troubleshooting, the unit includes a trip indicator flag and a dedicated Test trip button. The test button allows you to manually actuate the NC (Normally Closed) and NO (Normally Open) auxiliary contacts to verify that your control logic and alarm circuits are functioning correctly without needing to create an actual overload condition.

    Documentation & Downloads

    Specifications

    Key Specifications

    Country of OriginBrazil, China, Germany, France, Thailand, United States
    Depth70 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 Current1.5 A 240 V AC-15 signalling circuit, 0.1 A 250 V DC-13 signalling circuit
    RangeTeSys, TeSys Deca
    Certificate AgencyIEC, UL, CSA, CCC, EAC, BV, RINA, DNV-GL, LROS (Lloyds register of shipping), ATEX INERIS, UKCA
    Connections - Terminalspower circuit screw clamp terminals 1 1-6 mm² flexible with cable end, power circuit screw clamp terminals 1 1.5-10 mm² solid, control circuit screw clamp terminals 2 1-2.5 mm² flexible without cable end, control circuit screw clamp terminals 2 1-2.5 mm² flexible with cable end, control circuit screw clamp terminals 2 1-2.5 mm² solid, power circuit screw clamp terminals 1 1.5-10 mm² flexible without cable end
    Carbon Footprint Of The End-of-life Phase [C1 To C4]0.2 kg CO2 eq., 0.21678519324421383
    Carbon Footprint Of The Manufacturing Phase [A1 To A3]1 kg CO2 eq., 1.0267614686619415
    Local Data StatusPublishable
    Return IndicatorY
    Stock Policy2
    ServiceabilityNo
    Weee ScopeIn
    Scope PerimeterAt least in Europe
    End Of Life Doc RefENVEOLI0802006
    Reach Full Compliance Status IdNOT_CONTAINING_SVHC
    Rohs Eur In ScopeYes
    Rohs Eur Conformity Date0627
    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
    ReturnabilityYes
    Sustainable PackagingNo
    Thermal Protection Adjustment Range23-32 A
    Total Lifecycle Carbon Footprint13 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 CodeENVPEP0802006EN
    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]Europe, EU-27
    Energy Model - Use [B6]Electricity Mix; Low voltage; 2018; Europe, EU-27
    Recyclability Potential In %50
    Width Nominal45 mm
    [Ue] Rated Operational Voltage690 V AC 0...400 Hz power circuit IEC 60947-4-1
    Nbr. Of Units In Pkg.1
    Take-backNo
    Customs Code8536490080
    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 TypeAC, DC
    Product NameTeSys LRD, TeSys Deca
    Temperature Compensation-20-60 °C, -20-60 °C
    [Ui] Rated Insulation Voltagepower circuit 600 V CSA, power circuit 600 V ULpower circuit 690 V IEC 60947-4-1
    Carbon Footprint Of The Distribution Phase [A4]0.024163479198025903, 0 kg CO2 eq.
    Carbon Footprint Of The Installation Phase [A5]0.01635889814277638, 0 kg CO2 eq.
    Carbon Footprint Of The Use Phase [B2 B3 B4 B6]12 kg CO2 eq., 11.633004615445152
    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 Strength1.89 kV 50 Hz IEC 60947-1
    Network Frequency0...400 Hz
    Product AvailabilityStock - Normally stocked in distribution facility
    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 2.5 N.m screw clamp terminals
    Tripping Threshold1.14 +/- 0.06 Ir IEC 60947-4-1
    R Thermal Protection Adj Range23-32 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; Europe, EU-27
    Energy Model - End Of Life [C1-c4]Electricity Mix; Low voltage; 2018; Europe, EU-27
    Height Nominal66 mm
    [Ith] Conventional Free Air Thermal Current5 A signalling circuit
    [Uimp] Rated Impulse Withstand Voltage6 kV
    Package Weight(Lbs)142.000 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 ProfileENVEOLI0802006
    Environmental DisclosureENVPEP0802006EN
    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 CompatibilityLC1D32, LC1D25, LC1D38
    Reach Free ShvcYes
    Toxic Heavy Metal FreeYes
    Carbon Footprint12.917073654692109
    Climatic WithstandIACS E10
    Eu Rohs DirectiveCompliant
    Packaging Made With Recycled CardboardYes
    Reach Free Of SvhcYes
    Pep CodeENVPEP0802006EN
    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 23-32A Class 10A IP20
    TeSys Deca Thermal Overload Relay 23-32A Class 10A IP20
    TeSys Deca Thermal Overload Relay 23-32A Class 10A IP20

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