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TeSys LR9 – LR9D / LR9F

Electronic Thermal Overload Relays up to 315 kW

Part of TeSys

TeSys LR9 is a complete range of electronic thermal overload relays from 0.1 to 360 A . Designed for TeSys D and F contactors ranges, they can be mounted directly under the contactors for advanced motor protection.

TeSys LR9 – LR9D / LR9F
  • Features

    3 complete offers of electronic thermal overload relays  for advanced motor protection:

    NEW LR9D01-110S

    • 5 current ranges from 0.1 to 110A
    • Class 5, 10, 20, 30 selectable
    • 5:1 FLA adjustment
    • Direct mounting to LC1D09-D38 contactors (LR9D01-32)
    • Three-phase and single-phase applications
    • Compact 45mm size (LR9D01-32)

    LR9D

    • 2 current ranges from 60 to 150A
    • Direct mounting to LC1D115-150 contactors
    Simplified version:
    • Class 10, Class 20
    Complete version:
    • Class 10, 20 selectable
    • Alarm function to avoid tripping by load shedding
    • Three-phase and single-phase applications

    LR9F

    • 8 current ranges from 30 to 630A
    • Direct mounting to LC1F115-630 contactors
    Simplified version:
    • Class 10, Class 20
    Complete version:
    • Class 10, 20 selectable
    • Alarm function to avoid tripping by load shedding
    • Three-phase and single-phase applications

    All versions offer:
    • Settings locked by sealing the transparent flap
    • Screw terminals

    Benefits

    Electronics harnessed for motor starters. These ingenious electronic overload relays offer a wide current adjustment range and a high level of accuracy due to thermal modeling suitable for even the most demanding applications. They can be directly mounted to TeSys D and F contactors to form extremely compact motor starters.

    Applications

    • Industry, infrastructure, building, etc.
    • Standard motor protection
    • Line protection
    • Motor overload, stalling, loss of phase protection

    Gallery

    • Electronic thermal overload protection TeSys LR9D 0.1... 32 Amps
    • Electronic thermal overload protection TeSys LR9D with contactor TeSys LC1D 3P

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