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Home > Schneider Electric > Contactors and Protection Relays > Thermal Overload Relays > LR2K0304 – Differential thermal overload relays, TeSys K, 0.36 to 0.54 A, class 10A
LR2K0304 – Differential thermal overload relays, TeSys K, 0.36 to 0.54 A, class 10A
LR2K0304
Differential thermal overload relays, TeSys K, 0.36 to 0.54 A, class 10A

LR2K0304 is a TeSys LRK thermal overload relay from Schneider Electric to be used with a TeSys K contactors. It protects motors 0.09-0.12kW@400V thanks to a thermal range 0.36-0.54A, a tripping class 10A and phase unbalance protection. LR2K0304 is a TeSys LRK thermal overload relay from Schneider Electric for direct mounting on TeSys K contactors. With a thermal setting range 0.36-0.54A, a tripping class 10A and phase unbalance detection, it protects motors 0.09-0.12kW@400V. It provides manual test & reset buttons, automatic reset, trip auxiliary contact and flag indicator. Available worldwide, it is multi-standards certified (IEC, UL, CSA, CCC, EAC, Marine) and Green Premium compliant (RoHs/Reach). Thermal overload protection relay, bimetallic type, with phase unbalance protection (differential). Direct mounting on the bottom terminals of a Tesys contactor LC1K06 to form a compact starter. Light and compact, 45mm wide. Manual control with test & reset buttons, manual / automatic reset selector. Trip signaling with 1NO+1NC auxiliary contacts and trip flag indicator. Can be completed with terminal blocks for separate mounting (LA7K0064).

Brand: Schneider Electric

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Specifications
Product Certifications
  • UL
  • CSA
  • UKCA
Mechanical Robustness
  • shocks NO contact10 Gn for 11 ms IEC 60068-2-27
  • shocks NC contact10 Gn for 11 ms IEC 60068-2-27
  • vibrations NO contact2 Gn, 5...300 Hz IEC 60068-2-6
  • vibrations NC contact2 Gn, 5...300 Hz IEC 60068-2-6
Standards
  • IEC 60947
  • NF C 63-650
  • VDE 0660
  • BS 4941
Ambient Air Temperature For Operation
  • -20-55 °C without derating IEC 60947
  • -30-60 °C with derating IEC 60947
Ip Degree Of Protection IP2X conforming to IEC 60529
Flame Retardance
  • V1 conforming to UL 94
  • requirement 2 conforming to NF F 16-101
  • requirement 2 conforming to NF F 16-102
Ambient Air Temperature For Storage -40-70 °C
Protective Treatment
  • TC IEC 60068
  • TC DIN 50016
Operating Altitude 6561.68 ft (2000 m) without derating
Fire Resistance 850 °C IEC 60695-2-1
Warranty 18 months
Rohs Exemption Information Yes
Mercury Free Yes
Environmental Disclosure ENVPEP2211018
Sustainable Offer Status Green Premium product
California Proposition 65 WARNING: This product can expose you to chemicals including: Antimony oxide & Antimony trioxide, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
Weee The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins.
China Rohs Regulation Product out of China RoHS scope. Substance declaration for your information.
Circularity Profile ENVEOLI2211018
Eu Rohs Directive Compliant with Exemptions
Network Frequency <= 400 Hz
Height 58 mm
[Ith] Conventional Free Air Thermal Current 6 A signalling circuit
Auxiliary Contact Composition 1 NO + 1 NC
Phase Failure Sensitivity yes IEC 60947-4-1
[Ue] Rated Operational Voltage
  • <= 690 V power circuit
  • 690 V AC AC-15 signalling circuit
  • 250 V DC DC-13 signalling circuit
Associated Fuse Rating
  • 6 A gG for signalling circuit conforming to VDE 0660
  • 6 A gG for signalling circuit conforming to IEC 60947
Net Weight 0.145 kg
Connections - Terminals
  • screw clamp terminals 1 1.5-4 mm²solid
  • screw clamp terminals 2 1.5-4 mm²solid
  • screw clamp terminals 1 0.75-4 mm²flexible without cable end
  • screw clamp terminals 2 0.75-4 mm²flexible without cable end
  • screw clamp terminals 1 0.34-2.5 mm²flexible with cable end
  • screw clamp terminals 2 0.34-1.5 mm²flexible with cable end
[Uimp] Rated Impulse Withstand Voltage 6 kV
Power Dissipation Per Pole 2 W
Local Signalling trip indicator Yellow)
Tightening Torque
  • 1.3 N.m screw clamp terminals Philips No 2
  • 1.3 N.m screw clamp terminals flat Ø 6 mm
  • 1.3 N.m screw clamp terminals pozidriv No 2
Control Type
  • Red push-button trip test function
  • Blue push-button stop and manual reset
  • selector switch manual or automatic reset
Mounting Support
  • under contactor
  • plate, with specific accessories
  • rail, with specific accessories
Width 45 mm
Depth 65 mm
Country of Origin United States
Width 45 mm
Height 58 mm
Weight 0.145 kg
Network Type
  • AC
  • DC
Thermal Protection Adjustment Range 0.36-0.54 A
Relay Application motor protection
Product Or Component Type differential thermal overload relay
Product Name TeSys LRK
Thermal Overload Class class 10A IEC 60947-4-1
Range TeSys
[Ui] Rated Insulation Voltage
  • power circuit 690 V BS 4941
  • power circuit 690 V IEC 60947
  • power circuit 750 V VDE 0110 group C
  • power circuit 600 V CSA C22.2 No 14
Product Compatibility
  • LP1K
  • LC7K
  • LP4K
  • LC1K
Device Short Name LR2K
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