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TeSys LR97D
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19 May 2015
Germany
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Specification of

TeSys LR97D-Electronic overcurrent relays 0,3 A to 38 A
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Direct mounting beneath TeSys Model d contactors up to LC1D38, width 45 mm
Clamp screw or lug connections
External 24 to 230 V AC power supply
Manual or automatic reset
Protection functions:
-Overcurrents 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, rotors locked and phase failure)
Auxiliary contact: 1 C/O.

Benefits

Protec machinetion combined with motor starter
With its simple setting and signalling features, the electronic overcurrent relays, protection relays, overtorque or assures optimal protection of your machine.
Due to its compactness (45 mm wide) it easily integrates in the starter motor functions.

Applications
Industry, infrastructures, buildings:

Machines with high resistive torque
High inertia machines
Machines with high

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