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LRD143 Schneider Electric Industrial Automation Components

LRD143 on Powermatic Associates
Schneider Electric

Part#:LRD143

Manufacturer:Schneider Electric

Category:Industrial Automation Components

Product Lifecycle:Active

Product description

Schneider Electric LRD143 is a differential thermal overload relay designed for direct connection to a contactor with outgoing cables and control circuit connections utilizing spring-type fast connections. This 3-pole device offers protection functions classified under Class 10A, with a rated current range of 7-10 A. It features protection settings for thermal overload within the same range. The LRD143 includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It is rated for a voltage of up to 690 V AC (0-400Hz) between phases, with a minimum operating current of 7 A and a maximum of 10 A.

Product Details

  • Product Compatibility
    LC1D12 LC1D09 LC1D18 LC1D25 LC1D38 LC1D32
  • Mounting Support
    Plate, with specific accessories Rail, with specific accessories Under contactor
  • Connections - Terminals
    Control circuit spring terminals 1 0.00…0.00 in² (1…2.5 mm²) solid without cable end Control circuit spring terminals 1 0.00…0.00 in² (1…2.5 mm²) flexible without cable end Power circuit spring terminals 1 0.00…0.01 in² (1.5…4 mm²) flexible with
  • [Ui] Rated Insulation Voltage
    Power circuit 600 V CSA Power circuit 600 V UL Power circuit 690 V IEC 60947-4-1
  • Permissible Current
    3 A 120 V AC-15 signalling circuit 0.22 A 125 V DC-13 signalling circuit
  • Associated Fuse Rating
    4 A gG signalling circuit 4 A BS signalling circuit
  • Control Type
    Red push-button stop Blue push-button reset
  • Network Type
    AC DC
  • Net Weight
    0.31 lb(US) (0.14 kg)
  • Depth
    2.83 in (72 mm)
  • Temperature Compensation
    -4…140 °F (-20…60 °C)
  • Width
    1.77 in (45 mm)
  • Height
    3.66 in (93 mm)
  • [Ue] Rated Operational Voltage
    690 V AC 0...400 Hz power circuit IEC 60947-4-1
  • [Ith] Conventional Free Air Thermal Current
    5 A signalling circuit
  • Phase Failure Sensitivity
    Tripping current 130 % of Ir on two phase, the last one at 0
  • [Uimp] Rated Impulse Withstand Voltage
    6 kV
  • Auxiliary Contact Composition
    1 NO + 1 NC
  • Tripping Threshold
    1.14 +/- 0.06 Ir IEC 60947-4-1
  • Network Frequency
    0...400 Hz
  • Product Name
    TeSys LRD
  • Thermal Overload Class
    Class 10A IEC 60947-4-1
  • Range
    TeSys
  • Relay Application
    Motor protection
  • Product Or Component Type
    Differential thermal overload relay
  • Device Short Name
    LRD
  • Thermal Protection Adjustment Range
    7…10 A

Product condition

New Factory Sealed

New Factory Sealed - New condition, never used, original OEM part with original packaging and factory seal.
The price of LRD143 on Powermatic Associates is $95.18. Order now.

LRD143 Related Documents

Instruction Sheet-1631037428751.pdfProduct Datasheet-1631037428749.pdf

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About the manufacturer

Schneider Electric

Powermatic Associates is an authorized Schneider Electric distributor, proudly offering a diverse portfolio of innovative solutions tailored to meet the dynamic needs of today's industrial landscape. Schneider Electric stands as a global leader in energy management and automation, providing cutting-edge products and services that drive efficiency and sustainability across a variety of sectors. The...

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Schneider Electric LRD143 is a differential thermal overload relay designed for direct connection to a contactor with outgoing cables and control circuit connections utilizing spring-type fast connections. This 3-pole device offers protection functions classified under Class 10A, with a rated current range of 7-10 A. It features protection settings for thermal overload within the same range. The LRD143 includes 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It is rated for a voltage of up to 690 V AC (0-400Hz) between phases, with a minimum operating current of 7 A and a maximum of 10 A.

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