LT4706M7S

Schneider Electric TeSys LT47 electronic over current relays - manual - 0.5...6 A - 200...240 V AC

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LT4706M7S

Schneider Electric TeSys LT47 electronic over current relays - manual - 0.5...6 A - 200...240 V AC

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LT4706M7S
Rp ‎ 1.787.100
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Schneider Electric TeSys LT47 electronic over current relays - manual - 0.5...6 A - 200...240 V AC

Rp ‎ 1.787.100

Product Documents

Description

TeSys LR47 electronic overcurrent relay, 6A/690V, with manual reset, to be supplied with 200-240V AC, for protection of motors with a rated current 0.5-5A. It provides 3 dials to adjust the protection, LOAD (0.5-6A) for the overcurrent level, O-TIME (0.3-10sec) for the acceptable duration of the overcurrent, D-TIME (0.5-30sec) for the starting duration. In addition, the device trips when there is a missing phase during more than O-TIME. The device has a reset button, a test/stop button, 2 LED indicators (Run/Trip), 2 auxiliary contacts 1NO+1NC for fault signalling. Settings can be locked by sealing the transparent cover. DIN rail mounting, without power terminals (currents monitored by 2 current transformers crossed by the motor cables). Multi standards certified (IEC, UL, CSA, CCC, EAC), it conforms to RoHS/REACh regulation.

Product details

  • Activity
    PPCTR
  • Weight (in Kg)
    0.19
  • Net weight
    0.192 kg
  • [Us] rated supply voltage
    200...240 V AC
  • Product Or Component Type
    electronic over current relay
  • Control Type
    push-button: reset
    electrical: reset
  • Protective Treatment
    TH conforming to IEC 60068
  • Tripping Threshold
    0.5...5 A
  • Network frequency
    50...60 Hz
  • Auxiliary Contact Composition
    1 NO + 1 NC
  • Thermal Protection Adjustment Range
    0.5-6 A
  • [IP] Degree of Protection
    IP20 conforming to IEC 60529
    IP20 conforming to VDE 0106
  • Connections Terminals
    signalling circuit: screw clamp terminals 1 1-2.5 mm² - cable stiffness: flexible with cable end
    signalling circuit: screw clamp terminals 1 1-2.5 mm² - cable stiffness: flexible without cable end
    signalling circuit: screw clamp terminals 2 1-2.5 mm² - cable stiffness: flexible with cable end
    signalling circuit: screw clamp terminals 2 1-2.5 mm² - cable stiffness: flexible without cable end
  • [Uimp] Rated Impulse Wthstand Voltage
    6 kV
  • Ambient air temperature for operation
    -25-60 °C without derating conforming to IEC 60947-4-1
  • Range of Product
    TeSys LT electronic over current relays
  • Tightening Torque
    signalling circuit: 1.7 N.m M3.5
  • Standards
    IEC 60255-6
    IEC 60947
  • Product Certifications
    UL
    CSA
  • Mechanical Robustness
    shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
    vibrations: 4 gn conforming to IEC 60068-2-6
  • [Ith] Conventional Free Air Thermal Current
    3 A for signalling circuit
  • [ui] Rated Insulation Voltage
    power circuit: 600 V AC conforming to CSA
    power circuit: 600 V AC conforming to UL
    power circuit: 690 V AC conforming to IEC 60947-4-1
  • Associated Fuse Rating
    3 A gG for signalling circuit
    3 A BS for signalling circuit
  • Mounting support
    rail
  • Local Signalling
    1 LED (green)
    1 LED (red)
  • Electromagnetic Compatibility
    resistance to electrostatic discharge: 8 kV in open air conforming to IEC 61000-4-2
    resistance to electrostatic discharge: 6 kV in direct mode conforming to IEC 61000-4-2
    conducted emission: class A conforming to EN 55011
    immunity to electromagnetic interference: 10 V/m conforming to IEC 61000-4-3
    immunity to fast transients: 2 kV conforming to IEC 61000-4-4
    surge withstand: 6 kV conforming to IEC 61000-4-5
    conducted HF disturbances: 10 V conforming to IEC 61000-4-6
  • Relay Application
    overload Imax > Isetting
    sensitivity to phase failure
    locked rotor, mechanical jamming I > 3 x Isetting
  • Dielectric Strength
    2 kV at 50 Hz conforming to IEC 60255-5
  • Time Range
    0.5..30 s - control type D-time
    0.3...10 s - control type O-time
  • Device short name
    LT47
  • Depth
    77.2 mm
  • Ambient air temperature for storage
    -30-80 °C
  • Height
    70.3 mm
  • width
    71 mm
  • Operating altitude
    2000 m
  • Compatibility code
    LT47
  • Device Application
    protection
  • Brand
    Schneider Electric
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