RET 543 Transformer terminal
The RET543 transformer terminal can be used to protect, control, measure and monitor double-winding power transformers, as well as generator transformer groups in distribution systems
The RET 543 transformer terminal comes with features to suit your application needs. In addition to the three-phase steady-state differential protection features of second-harmonic and fifth-harmonic braking, the basic version terminal incorporates three-phase overcurrent, directionless ground fault, restricted ground fault, transformer thermal overload, and phase unbalance protection.
Many other versions of the terminal include overvoltage and low voltage monitoring, directional ground fault protection, zero sequence voltage and overexcitation protection, overfrequency and low frequency protection, and low impedance protection. With the addition of optional voltage automatic regulation function, the terminal becomes a transformer integrated management device.
In addition, we also provide a transformer terminal device equipped only with voltage regulation and control functions.
Major advantage
Provides all the functions you need to protect and control your transformer
Highly flexible PLC programming that can be satisfied with a variety of applications
25 switching inputs and 18 outlet relays
Flexible connectivity that covers all your communication needs
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