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TeSys LR2K

Thermal relays, coordinated with TeSys K contactors, to protect from overloads motors up to 12 A (5.5 kW / 400 V)

Part of TeSys

TeSys LR2K is a range of thermal overload relays from 0.06 kW to 5.5kW that can be used as a stand-alone solution or mounted directly on to TeSys K miniature contactors.

TeSys LR2K
  • Features

    TeSys LR2K is a reliable series of thermal overload relays designed to cover the range of motor ratings up to 16 A. The devices can be combined with TeSys K contactors in a 45 mm wide space to form an extremely compact starter.


    • Manual or automatic reset
    • Sealable flap
    • Prewiring kit available
    • Terminal block for separate mounting
    • Remote electrical reset
    • Connector options:
    • Spring terminal
    • Screw clamp
    • Class 10 A


    TeSys LR2K thermal overload relays deliver outstanding performance, flexibility and reliability.

    •  Safe and effective protection
    •  Simple to install
    •  Integrated manual-automatic reset
    •  Can be combined with TeSys K contactors to form an extremely compact starter


    TeSys LR2K relays are used across industry, infrastructure, building, etc., to provide:

    • Standard motor protection
    • Line protection
    • Protection against motor overload, stalling, and loss of phase
    • Thermal relay is the perfect complement to circuit breaker to achieve the best protection: magnetic + thermal protection of a motor-starter

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