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Picture of Thermal overload relay, TeSys Deca, 690VAC, 12 to 18A, 1NO+1NC, class 10A, for unbalanced loads
SKU:

LR3D318

Thermal overload relay, TeSys Deca, 690VAC, 12 to 18A, 1NO+1NC, class 10A, for unbalanced loads

$305.90
Available for Shipping : 05-Nov-2024
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Thermal overload relay, TeSys Deca, 690VAC, 12 to 18A, 1NO+1NC, class 10A, for unbalanced loads
  • Tesys Deca thermal overload relays are designed to protect a.c. circuits and motors against overloads.
  • Suitable for unbalanced loads
  • 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 Expect
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Manufacturer: Schneider Electric
User guide
Instruction sheet
End of life manual
CAD
Catalogue
Declaration of conformity
Product environmental
Product Page Link
Product Data Sheet
TeSys LRD thermal overload relay, 18A/690V, thermal setting range 12-18A, tripping class 10A, for protection of 3-phase motors 7.5kW@400V. Non differential device, it can be used with unbalanced loads. 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 EverLink BTR screw terminals , it connects directly to the bottom terminals of 3-pole contactors LC1D40A-D80A. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD96560 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, Marine), Green Premium compliant (RoHs/Reach).

Products specifications

Attribute name Attribute value
Main
Device short name LR3D
Product compatibility LC1D40A, LC1D65A, LC1D50A
[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 non differential thermal overload relay
Relay application motor protection
Network type AC, DC
Thermal protection adjustment range 12-18 A
Complementary
Temperature compensation -20-60 °C
Depth 123 mm
Width 55 mm
Compatibility code LR3D
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: 5 N.m - on EverLink BTR screw connectors, 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 0.06 A at 440 V DC-13 for signalling circuit, 0.95 A at 380 V AC-15 for signalling circuit
[Uimp] rated impulse withstand voltage 6 kV
Net weight 0.375 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: EverLink BTR screw connectors 1 cable(s) 1-35 mm² solid without cable end, power circuit: EverLink BTR screw connectors 1 cable(s) 1-35 mm² flexible with cable end, power circuit: EverLink BTR screw connectors 1 cable(s) 1-35 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 70 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 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 vibrations: 4 gn conforming to IEC 60068-2-6, shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
Product certifications UKCA, LROS (Lloyds register of shipping), EU-RO MR, RMRS, DNV-GL, EAC, CCC, CSA, UL, IEC
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 7.0 cm
Package 1 Width 10.8 cm
Package 1 Length 13.8 cm
Package 1 Weight 450.0 g

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