TeSys Deca electronic overcurrent relays from 0.3 A to 38 A can be directly mounted beneath TeSys D contractors (up to LC1D38, width 45 mm) to prevent over-currents caused by overloads or mechanical jamming.

Screw clamp 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 over-torque monitoring
- Can be used for torque surge protection
- Specific protection for locked rotors
- 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, over-torque, rotor locked, and phase failure)
Auxiliary contact: 1 C/O

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