Automation and Control

TeSys LR97D - Motor protection components - overloads

Machine protection combined with motor starter

Electronic over current relays 0,3 A to 38 A - TeSys LR97D

Benefits

With its simple setting and signalling features, the electronic over current relay, or overtorque protection relay, assures optimal protection of your machine.
Due to its compactness (45 mm wide) it easily integrates in the motor starter functions.

Applications

Industry, infrastructures, buildings:

Machines with high resistive torque
High inertia machines
Machines with high risk of jamming during steady state operation.

These relays do not have thermal memory and can be used as specific motor protection in the case of severe duty applications:

Machine with long starting time
Machine with frequent starting.

Electronic over current relays 0,3 > 38 A


	Description Direct mounting beneath TeSys Model d contactors up to LC1D38, width 45 mm Screw clamp or lug connections External 24 to 230 V AC power supply Manual or automatic reset Protection functions: - Over currents due to overload or mechanical jamming: starting and steady state operation overtorque monitoring - Can be used as torque surge protection - Specific protection for locked rotor - Specific protection for phase failure. Current threshold adjustment using 2 separate time settings (starting and trip in steady state operation) Selection of 3-phase or single-phase operation Diagnostics via 2 LED indicators (starting, overtorque, rotor locked and phase failure) Auxiliary contact: 1 C/O.

LR97D combined with TeSys d contactor

LR97D with terminal block for separate mounting

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