Schneider Electric TeSys LR.D LRD350 Thermal Overload Relays - 37-50A - Class 10A

Features

Manual or automatic reset

Sealable flap

Pre-wiring kit

Direct mounting with TeSys D contactors

Terminal block for separate mounting

Remote electrical reset available as an option

Connectors: spring terminal, screw clamp, terminal block EverLink (LRD3)

Class 10 A & 20

Applications

TeSys LRD relays are used across industry, infrastructure, building, etc., to provide:

Protection against motor overload and loss of phase

The perfect complement of magnetic only circuit breakers to manage thermal protection for motors

Selectable manual, remote or auto reset tripping options for better process management

Specifications

 • Product Certifications : Iec
 • Ul
 • CSA
 • CCC
 • EAC
 • Dnv-Gl
 • Rmrs
 • Eu-Ro Mr
 • Lros (Lloyds Register Of Shipping)
 • Atex Ineris
 • UKCA
 • Network Frequency : 0...400 Hz
 • Mechanical Robustness : Shocks: 15 Gn For 11 Ms Conforming To IEC 60068-2-7
 • Vibrations: 4 Gn Conforming To IEC 60068-2-6
 • Height : 70 mm
 • Auxiliary Contact Composition : 1 No + 1 Nc
 • [Ith] Conventional Free Air Thermal Current : 5 A For Signalling Circuit
 • 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 Without Cable End
 • Power Circuit: Everlink Btr Screw Connectors 1 Cable(S) 1-35 mm² Flexible Without Cable End
 • Power Circuit: Everlink Btr Screw Connectors 1 Cable(S) 1-35 mm² Flexible With Cable End
 • Power Circuit: Everlink Btr Screw Connectors 1 Cable(S) 1-35 mm² Solid Without Cable End
 • Standards : EN/IEC60947-4-1
 • EN/IEC60947-5-1
 • Ul 60947-4-1
 • Ul 60947-5-1
 • CSA C22.2 No 60947-4-1
 • CSA C22.2 No 60947-5-1
 • En 50495
 • Phase Failure Sensitivity : Tripping Current 130 % Of Ir On Two Phase, The Last One At 0
 • [Ue] Rated Operational Voltage : 690 V AC 0...400 Hz For Power Circuit Conforming To IEC 60947-4-1
 • Thermal Protection Adjustment Range : 37-50 A
 • Network Type : DC
 • Ac
 • Relay Application : Motor Protection
 • Ambient Air Temperature For Operation : -20-60 °C Without Derating Conforming To IEC 60947-4-1
 • Dielectric Strength : 1.89 Kv At 50 Hz Conforming To IEC 60947-1
 • Product Name : Tesys Lrd
 • Tesys Deca
 • Thermal Overload Class : Class 10A Conforming To IEC 60947-4-1
 • Associated Fuse Rating : 4 A Gg For Signalling Circuit
 • 4 A Bs For Signalling Circuit
 • Net Weight : 0.375 Kg
 • [Uimp] Rated Impulse Withstand Voltage : 6 Kv
 • Range : Tesys
 • Tesys Deca
 • IP Degree Of Protection : IP20 Conforming To IEC 60529
 • [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
 • Flame Retardance : V1 Conforming To Ul 94
 • Permissible Current : 0.95 A At 380 V AC-15 For Signalling Circuit
 • 0.06 A At 440 V DC-13 For Signalling Circuit
 • Ambient Air Temperature For Storage : -60-70 °C
 • Tripping Threshold : 1.14 +/- 0.06 Ir Conforming To IEC 60947-4-1
 • Tightening Torque : Control Circuit: 1.7 N.M - On Screw Clamp Terminals
 • Power Circuit: 5 N.M - On Everlink Btr Screw Connectors
 • Control Type : Red Push-Button: Stop
 • Blue Push-Button: Reset
 • Mounting Support : Plate, With Specific Accessories
 • Rail, With Specific Accessories
 • Under Contactor
 • Protective Treatment : Th Conforming To IEC 60068
 • Compatibility Code : Lrd
 • Width : 55 mm
 • Depth : 123 mm
 • Product Compatibility : Lc1D65A
 • Lc1D50A
 • Lc1D40A
 • Device Short Name : Lrd
 • Temperature Compensation : -20-60 °C

Minimum sell quantity:

Order Quantity Multiple:

Catalogue Page Number: 17-75