TeSys Deca Thermal Overload Relay 30-40A, IP20, Class 10A
Schneider Electric

Schneider Electric LRD3406 TeSys Deca Thermal Overload Relay 30-40A, IP20, Class 10A

  • MPN: LRD3406
  • PPN: SCH-LRD3406

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Spec sheet

Description

TeSys LRD thermal overload relay, 40A/690V, thermal setting range 30-40A, tripping class 10A, for protection of 3-phase motors 18.5kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by EverLink BTR screw terminals , it connects directly to the bottom terminals of 3-pole contactors LC1D40A-D80A. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD96560 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, Marine).

Documentation & Downloads

Specifications

Key Specifications

Country of Origin
France
Depth123 mm

Important Information Attributes

Associated Fuse Rating
4 A gG for signalling circuit, 4 A BS for signalling circuit
Mounting Support
plate, with specific accessories, rail, with specific accessories, under contactor
Permissible Current
0.95 A 380 V AC-15 signalling circuit, 0.06 A 440 V DC-13 signalling circuit
Range
TeSys, TeSys Deca
Certificate Agency
IEC, UL, CSA, CCC, EAC, DNV-GL, RMRS, EU-RO MR, LROS (Lloyds register of shipping), ATEX INERIS, UKCA
Connections - Terminals
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 endpower circuit lugs-ring terminals
Carbon Footprint Of The End-of-life Phase [C1 To C4]
0.7 kg CO2 eq., 0.6878801581434929
Carbon Footprint Of The Manufacturing Phase [A1 To A3]
2 kg CO2 eq., 2.3175573775817813
Local Data Status
Publishable
Return Indicator
N
Stock Policy
2
Serviceability
No
Weee Scope
In
Scope Perimeter
At least in Europe
End Of Life Doc Ref
ENVEOLI1101001
Reach Full Compliance Status Id
NOT_CONTAINING_SVHC
Rohs Eur In Scope
Yes
Rohs Eur Conformity Date
1926
China Rohs In Scope
No
With Recycled Cardboard
Yes
Product Contributes To Saved And Avoided Emissions
No
Compatibility Code
LRD
Control Type
Red push-button stopBlue push-button reset
Dielectric Strength
1.89 kV 50 Hz IEC 60947-1
Network Frequency
0...400 Hz
Product Availability
Non-Stock - Not normally stocked in distribution facility
Relay Application
motor protection
Software Version
v6.1
Thermal Overload Class
class 10A IEC 60947-4-1
Tightening Torque
control circuit 1.7 N.m screw clamp terminalspower circuit 6 N.m lugs-ring terminals M6
Tripping Threshold
1.14 +/- 0.06 Ir IEC 60947-4-1
R Thermal Protection Adj Range
30-40 A
Database Version
2023-02
Pcr Version
PCR-4-ed4-EN-2021 09 06
Type Of Verification For The Pep
Independent internal review
Functional-unit Description
Other 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 Unit
unit
Energy Consumption On Product Lifetime In Kwh
28.3824
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 Nominal
70 mm
[Ith] Conventional Free Air Thermal Current
5 A signalling circuit
[Uimp] Rated Impulse Withstand Voltage
6 kV
Package Weight(Lbs)
365.000 g
Warranty (In Months)
18
Mechanical Robustnessshocks15 Gn for 11 ms IEC 60068-2-7, vibrations4 gn IEC 60068-2-6
Network TypeDC, AC
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]0.08769004547670689, 0.1 kg CO2 eq.
Carbon Footprint Of The Installation Phase [A5]0.04694946427851445, 0 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 FlagY
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
Product Kit IdentifierN
Connection Pitch17.5 mm
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
ReturnabilityNo
Sustainable PackagingYes
Thermal Protection Adjustment Range30-40 A
Total Lifecycle Carbon Footprint5 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 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

Environment Attributes Main

China Rohs Regulation
Product 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 Back
No
Recycled Metal Content At Cr Level
0 %
Mercury Free
Yes
Circularity Profile
ENVEOLI1101001
Environmental Disclosure
ENVPEP1101001EN
Ip Degree Of Protection
IP20 conforming to IEC 60529
Packaging Without Single Use Plastic
Yes
Reach Regulation
Free of Substances of Very High Concern above the threshold
Pep Verification Date
2025-08-05
Psr Version
PSR-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 CompatibilityLC1D50A, LC1D40A, LC1D65A
Reach Free ShvcYes
Toxic Heavy Metal FreeYes
Carbon Footprint5.036412829487063
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 Type
differential thermal overload relay

ETIM

ETIM 8
EC000106
ETIM 9EC000106

Contractual Warranty Attributes

Warranty Period
18 months
Warranty18 months

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