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Schneider Electric LRD3361 TeSys LRD Thermal Overload Relays, 55-70A, Class 10A
Schneider Electric LRD3361 TeSys LRD Thermal Overload Relays, 55-70A, Class 10A

Schneider Electric TeSys LRD Thermal Overload Relays 55-70A Class 10A LRD3361

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Brand:Schneider Electric
Collections:Electricals
Type:Thermal Overload Relays
Description
Description
Description Specifications Reviews
  • Description
  • Specifications
  • Reviews

    Schneider Electric LRD3361 TeSys LRD Thermal Overload Relay is a protective device used in electrical circuits to prevent motors from drawing too much current for an extended period of time. They work by monitoring the heat generated by the current passing through the motor and tripping if it exceeds a certain threshold.

    55-70A is the current range that this specific thermal overload relay is designed to handle. It can be used with motors that draw between 55 and 70 amperes of current. Class 10A is the tripping time characteristic of the thermal overload relay. The relay will trip when the current exceeds a certain threshold and remains at that level for a time equal to or less than 10 seconds.

    Features
    • 55-70A Th Overload Relay
    • Protect motors from overloads and phase failures
    • Easier to install and operate with multi-standard screws
Specifications
Specifications
Specifications
  • Specifications

    Brand : Schneider Electric

    Item Name : Thermal Overload Relays

    Model : LRD3361

    Conventional Free Air Thermal Current : 5 A for Signalling Circuit

    Rated Insulation Voltage : Power Circuit: 1000 V conforming to IEC 60947-4-1, power circuit: 600 V conforming to CSA, power circuit: 600 V conforming to UL

    Rated Impulse Withstand Voltage : 6 kV conforming to IEC 60947-1

    Ambient Air Temperature For Operation : -20-60 °C without derating conforming to IEC 60947-4-1

    Ambient Air Temperature For Storage : -60-70 °C

    Associated Fuse Rating : 4 A gG for signalling circuit, 4 A BS for signalling circuit

    Auxiliary Contact Composition : 1 NO + 1 NC

    Climatic Withstand : Conforming to IACS E10

    Compatibility Code : LRD

    Connections - Terminals : Power Circuit: screw clamp terminals 1 cable(s) 4-35 mm² flexible without cable end, power circuit: screw clamp terminals 1 cable(s) 4-35 mm² flexible with cable end, power circuit: screw clamp terminals 1 cable(s) 4-35 mm² solid without cable end, 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

    Control Type : Red Push-button: stop, blue push-button: reset

    Depth : 115mm

    Dielectric Strength : 2.2 kV at 50 Hz conforming to IEC 60947-1

    Flame Retardance : V1 conforming to UL 94

    Height : 81mm

    IP Degree Of Protection : IP20 Conforming to IEC 60529

    Mechanical Robustness : vibrations: 6 Gn conforming to IEC 60068-2-6, shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7

    Mounting Support : Plate, with specific accessories, rail, with specific accessories, under contactor

    Network Frequency : 0...400 Hz

    Network Type : DC, AC

    Permissible Current : 0.72 A at 500 V AC-15 for signalling circuit, 0.06 A at 440 V DC-13 for signalling circuit

    Phase Failure Sensitivity : Tripping Current 130 % of Ir on two phase, the last one at 0

    Certifications : IEC, UL, CSA, CCC, EAC, ATEX INERIS, UKCA

    Compatibility : LC1D95, LC1D80

    Range : TeSys, TeSys Deca

    Rated Operational Voltage Limits : 1000 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1

    Relay Application : Motor Protection

    Standards : EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, GB/T 14048.4, GB/T 14048.5, EN 50495

    Tightening Torque : control circuit: 1.7 N.m - on screw clamp terminals, power circuit: 9 N.m - on screw clamp terminals

    Width : 70 mm

    Temperature Compensation : -20-60 °C

    Thermal Overload Class : Class 10A conforming to IEC 60947-4-1

    Thermal Protection Adjustment Range : 55-70 A

    Tripping Threshold : 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1

    Weight : 0.51 kg

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