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Picture of TeSys, Overload relay, TeSys LRD, motor protection, withstand 6kV impulse and 2kV surge, 1.6A to 8A, electronic, thermal
SKU:

LR9D08

TeSys, Overload relay, TeSys LRD, motor protection, withstand 6kV impulse and 2kV surge, 1.6A to 8A, electronic, thermal

$168.49
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TeSys, Overload relay, TeSys LRD, motor protection, withstand 6kV impulse and 2kV surge, 1.6A to 8A, electronic, thermal
  • Easy for selection
  • Simple to install
  • Trip indication
  • Efficiency maintenance
  • Class 10 A and 20
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Manufacturer: Schneider Electric
Estimated Delivery Date: 26-Sep-2024
Catalogue
Instruction sheet
Brochure
Declaration of conformity
Product Page Link
Product Data Sheet
TeSys LR9D electronic overload relay, 8A/690V, thermal setting range 1.6-8A, selectable tripping class 5-10-20-30, for protection of 3-phase motors 0.75-3kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, buttons for test, stop and reset as well as manual-automatic reset selector, dipswitches for tripping class selection, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by screw clamp terminals, it connects directly to the bottom terminals of 3-pole contactors LC1D09-D38. Mounting on DIN rail or screw fixing, separated from contactor, with use of the terminal block LAD7B205 (to be ordered separately). Multi-standards certified (IEC, UL, CSA, CCC), Green Premium compliant (RoHs/Reach).

Products specifications

Attribute nameAttribute value
Main
Device short nameLR9D
Product compatibilityLC1D18, LC1D25, LC1D09, LC1D38, LC1D32, LC1D12
Mounting supportrail, with specific accessories, plate, with specific accessories, under contactor
RangeTeSys
Thermal overload classclass 5…30
Product nameTeSys LRD
Product or component typeelectronic thermal overload relay
Relay applicationmotor protection
Power consumption in W300 mW
Thermal protection adjustment range1.6-8 A
Complementary
Depth79.9 mm
Width45 mm
Control typewhite dial: full-load current adjustment, red knob: automatic reset, white 2 microswitches: adjustable trip class, red push-button: stop and manual reset
Tripping threshold1.25 In conforming to IEC 60947-4-1
[Ui] rated insulation voltagesignalling circuit: 690 V, power circuit: 1000 V
Connections - terminalspower circuit: screw clamp terminals 1 cable 16-16 mm² - cable stiffness: solid or flexible - without cable end, control circuit: screw clamp terminals 1 cable 2.5-2.5 mm² - cable stiffness: solid or flexible - without cable end
[Uimp] rated impulse withstand voltage6 kV
Net weight0.18 kg
Associated fuse rating5 A BS for signalling circuit, 5 A gG for signalling circuit
Electromagnetic compatibilityimmunity to fast transients: 2 kV conforming to IEC 61000-4-4, immunity to radiated radio-electrical interference: 10 V/m conforming to IEC 61000-4-3, resistance to electrostatic discharge: 8 kV conforming to IEC 61000-4-2, surge withstand: 2 kV common mode conforming to IEC 61000-4-5
[Ue] rated operational voltage660 V for signalling circuit, 690 V for power circuit
Phase failure sensitivityphase difference > 40% 3-3 s conforming to IEC 60947-4-1
Tightening torquepower circuit: 3.1 N.m on screw clamp terminals, control circuit: 0.8 N.m on screw clamp terminals
[Ith] conventional free air thermal current5 A for signalling circuit
Height72.5 mm
Time range1.5...4 min - automatic reset time
Environment
Operating altitude2000 m without derating
IP degree of protectionIP20 front face conforming to IEC 60529
Ambient air temperature for storage-55-80 °C
Dielectric strength6 kV 50 Hz conforming to IEC 60255-5
Ambient air temperature for operation-25-70 °C conforming to IEC 60255-8
StandardsGB/T 14048.5, GB/T 14048.4, CSA C22.2 No 60947-5-1, CSA C22.2 No 60947-4-1, UL 60947-5-1, UL 60947-4-1, EN/IEC 60947-5-1, EN/IEC 60947-4-1
Mechanical robustnessshocks 11 ms: 15 gn conforming to IEC 60068-2-7, vibrations 10...150 Hz: 6 Gn conforming to IEC 60068-2-6
Product certificationsCCC, CSA, UL, IECEE CB Scheme
Packing Units
Unit Type of Package 11
Number of Units in Package 11
Package 1 Height5.3 cm
Package 1 Width7.4 cm
Package 1 Length9.0 cm
Package 1 Weight220.96 g
Unit Type of Package 22
Number of Units in Package 230
Package 2 Height15.0 cm
Package 2 Width30.0 cm
Package 2 Length40.0 cm
Package 2 Weight6.629 kg

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