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Picture of TeSys; TeSys Deca, Thermal overload relay, 690VAC, 3P, 2.5 to 4A, 1NO+1NC, class 10A, screw clamp
Picture of TeSys; TeSys Deca, Thermal overload relay, 690VAC, 3P, 2.5 to 4A, 1NO+1NC, class 10A, screw clamp
Picture of TeSys; TeSys Deca, Thermal overload relay, 690VAC, 3P, 2.5 to 4A, 1NO+1NC, class 10A, screw clamp
Picture of TeSys; TeSys Deca, Thermal overload relay, 690VAC, 3P, 2.5 to 4A, 1NO+1NC, class 10A, screw clamp
Picture of TeSys; TeSys Deca, Thermal overload relay, 690VAC, 3P, 2.5 to 4A, 1NO+1NC, class 10A, screw clamp
SKU:

LRD08

TeSys; TeSys Deca, Thermal overload relay, 690VAC, 3P, 2.5 to 4A, 1NO+1NC, class 10A, screw clamp

$53.90
Available for Shipping : 24-Nov-2024
Product Selector
TeSys; TeSys Deca, Thermal overload relay, 690VAC, 3P, 2.5 to 4A, 1NO+1NC, class 10A, screw clamp
  • Tesys Deca thermal overload relays are designed to protect a.c. circuits and motors against overloads.
  • New modern look & feel of all machines
  • Easier to install and operate with multi-standard screws
  • Digital customer experience for technical documents
  • Maintenance guide via EcoStruxureTM Facility Expert
  • Multiple international certifications
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Manufacturer: Schneider Electric
User guide
Instruction sheet
End of life manual
Catalogue
Product environmental
Product Page Link
Product Data Sheet
TeSys LRD thermal overload relay, 4A/690V, thermal setting range 2.5-4A, tripping class 10A, for protection of 3-phase motors 1.1-1.5kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, 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 the contactor, with use of a terminal block LAD7B106 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).

Products specifications

Attribute name Attribute value
Main
Device short name LRD
Product compatibility LC1D18, LC1D32, LC1D38, LC1D25, LC1D09, LC1D12
[Ui] rated insulation voltage power circuit: 690 V conforming to IEC 60947-4-1, power circuit: 600 V conforming to UL, power circuit: 600 V conforming to CSA
Range TeSys Deca, TeSys
Thermal overload class class 10A conforming to IEC 60947-4-1
Product name TeSys Deca, TeSys LRD
Product or component type differential thermal overload relay
Relay application motor protection
Network type DC, AC
Thermal protection adjustment range 2.5-4 A
Complementary
Temperature compensation -20-60 °C
Depth 70 mm
Width 45 mm
Compatibility code LRD
Mounting support under contactor, rail, with specific accessories, plate, with specific accessories
Control type blue push-button: reset, red push-button: stop
Tightening torque power circuit: 1.7 N.m - on screw clamp terminals, control circuit: 1.7 N.m - on screw clamp terminals
Tripping threshold 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Permissible current 0.22 A at 125 V DC-13 for signalling circuit, 3 A at 120 V AC-15 for signalling circuit
[Uimp] rated impulse withstand voltage 6 kV
Net weight 0.124 kg
Associated fuse rating 4 A BS for signalling circuit, 4 A gG for signalling circuit
[Ue] rated operational voltage 690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
Phase failure sensitivity tripping current 130 % of Ir on two phase, the last one at 0
Connections - terminals power circuit: screw clamp terminals 1 cable(s) 1-6 mm² solid without cable end, power circuit: screw clamp terminals 1 cable(s) 1-4 mm² flexible with cable end, power circuit: screw clamp terminals 1 cable(s) 1.5-10 mm² flexible without cable end, control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² solid 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 flexible without cable end
[Ith] conventional free air thermal current 5 A for signalling circuit
Auxiliary contact composition 1 NO + 1 NC
Height 66 mm
Network frequency 0...400 Hz
Environment
Ambient air temperature for storage -60-70 °C
Flame retardance V1 conforming to UL 94
IP degree of protection IP20 conforming to IEC 60529
Dielectric strength 1.89 kV at 50 Hz conforming to IEC 60947-1
Ambient air temperature for operation -20-60 °C without derating conforming to IEC 60947-4-1
Climatic withstand conforming to IACS E10
Standards EN 50495, GB/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 robustness shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7, vibrations: 6 Gn conforming to IEC 60068-2-6
Product certifications UKCA, ATEX INERIS, LROS (Lloyds register of shipping), DNV-GL, RINA, BV, EAC, CCC, CSA, UL, IEC
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 4.800 cm
Package 1 Width 7.800 cm
Package 1 Length 8.900 cm
Package 1 Weight 140.900 g
Unit Type of Package 2 2
Number of Units in Package 2 24
Package 2 Height 15.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 3.720 kg

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