Schneider Electric

Schneider Electric LRD340 TeSys Deca Thermal Overload Relay 30-40A 690VAC Class 10A

  • MPN: LRD340
  • PPN: SCH-LRD340
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    $217.80

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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 40 amp through 65 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 30 to 40 amperes. This trip current rating is calibrated per Class 10A. This overload relay uses EVERLINK termnals in place of the standard terminals.

    Features

    • Engineered for seamless mechanical and electrical integration, this thermal overload relay plugs directly into the bottom of Schneider Electric TeSys D contactors (LC1D40A through LC1D65A). This direct-mount capability eliminates the need for extra wiring and DIN rail space, providing a compact, vibration-resistant connection that simplifies your motor starter assembly and reduces installation labor costs.
    • Featuring a dedicated adjustment dial, this relay allows you to fine-tune the protection setting between 30 and 40 Amps to match your specific motor's Full Load Amperage (FLA). This precision prevents premature "nuisance" tripping while ensuring the bimetallic elements provide highly responsive protection against phase unbalance and prolonged overloads that can lead to costly motor burnout.
    • Designed with Class 10 tripping characteristics, this relay ensures your motor is disconnected within 10 seconds under a locked-rotor condition, preventing catastrophic heat buildup. It also includes advanced differential tripping for phase failure sensitivity, automatically detecting a "single-phasing" event and shutting down the circuit to protect your expensive industrial pumps, fans, and compressors from internal winding damage.
    • Equipped with a blue "Reset" button and a red "Stop" button, this unit offers flexible control over your system recovery. The selectable manual or automatic reset modes allow you to tailor the system to your facility's safety protocols preventing unexpected restarts in dangerous areas while the built-in test trip simulation allows technicians to verify control circuit integrity without waiting for a real fault.
    • Fully certified for use in North America and international markets, the LRD340 meets rigorous IEC 60947 and UL 508 standards. Its high-quality construction and IP20 finger-safe terminals ensure your control panels meet strict safety inspections and provide reliable, long-term performance in demanding manufacturing and HVAC applications.

    Documentation & Downloads

    Specifications

    Key Specifications

    Country of OriginBrazil, China, France, Italy, United States
    Depth123 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 Current0.95 A 380 V AC-15 signalling circuit, 0.06 A 440 V DC-13 signalling circuit
    RangeTeSys, TeSys Deca
    Tightening Torquecontrol circuit 1.7 N.m screw clamp terminals, power circuit 5 N.m EverLink BTR screw connectors
    [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]0.532707701, 0.5 kg CO2 eq.
    Carbon Footprint Of The Installation Phase [A5]0.060948491, 0.1 kg CO2 eq.
    Carbon Footprint Of The Use Phase [B2 B3 B4 B6]2 kg CO2 eq., 1.896335784
    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
    Total Lifecycle Carbon Footprint4 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 CodeENVPEP0804005EN
    Pep Verification Date2024-06-01
    Psr VersionPSR-0005-ed3.1-EN-2023 12 08
    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 %27
    Width Nominal55 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 Code8536490075
    Persona Type NamesEnd User, Contractor, Original Equipment Manufacturer, OEM - Control Panelbuilder, Panel Builder, Electrician
    Market SegmentationCommercial, Industrial
    Mechanical Robustnessshocks15 Gn for 11 ms IEC 60068-2-7, vibrations4 gn IEC 60068-2-6
    Network TypeAC, DC
    Product NameTeSys LRD, TeSys Deca
    Temperature Compensation-20-60 °C, -20-60 °C
    Certificate AgencyIEC, UL, CSA, CCC, EAC, DNV-GL, RMRS, EU-RO MR, LROS (Lloyds register of shipping), ATEX INERIS, UKCA
    Connections - Terminalspower circuit EverLink BTR screw connectors 1 1-35 mm² flexible with cable endpower circuit EverLink BTR screw connectors 1 1-35 mm² solid without cable end, 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 without cable end, power circuit EverLink BTR screw connectors 1 1-35 mm² flexible without cable end
    Carbon Footprint Of The End-of-life Phase [C1 To C4]0.9 kg CO2 eq., 0.871212274
    Carbon Footprint Of The Manufacturing Phase [A1 To A3]0.5 kg CO2 eq., 0.45216814
    Local Data StatusPublishable
    Return IndicatorY
    Stock Policy2
    ServiceabilityNo
    Weee ScopeIn
    Scope PerimeterAt least in Europe
    End Of Life Doc RefENVEOLI0804005
    Reach Full Compliance Status IdNOT_CONTAINING_SVHC
    Rohs Eur In ScopeYes
    Rohs Eur Conformity Date1926
    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 PackagingYes
    Thermal Protection Adjustment Range30-40 A
    Tripping Threshold1.14 +/- 0.06 Ir IEC 60947-4-1
    R Thermal Protection Adj Range30-40 A
    Database Version2023-02
    Pcr VersionPCR-4-ed4-EN-2021 09 06
    Type Of Verification For The PepIndependent internal review
    Functional-unit DescriptionThe functional unit of the LRD365 is to detect overload currents in order to protect the load for 20 years.
    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 Nominal70 mm
    [Ith] Conventional Free Air Thermal Current5 A signalling circuit
    [Uimp] Rated Impulse Withstand Voltage6 kV
    Package Weight(Lbs)394.000 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 ProfileENVEOLI0804005
    Environmental DisclosureENVPEP0804005EN
    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 Date2024-06-01
    Psr VersionPSR-0005-ed3.1-EN-2023 12 08
    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 CompatibilityLC1D65A, LC1D50A, LC1D40A
    Reach Free ShvcYes
    Toxic Heavy Metal FreeYes
    Carbon Footprint3.81337239
    Climatic WithstandIACS E10
    Eu Rohs DirectiveCompliant
    Packaging Made With Recycled CardboardYes
    Reach Free Of SvhcYes
    Pep CodeENVPEP0804005EN
    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 30-40A 690VAC Class 10A
    TeSys Deca Thermal Overload Relay 30-40A 690VAC Class 10A

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