Protection relays can be divided into two main categories: digital relays and electromechanical relays.
Digital protection relays
Digital protection relays, also known simply as "digital relays", are made up of an electronic system with microprocessors. These microprocessors make it possible to analyze various grid parameters, such as voltage, intensity, or current to detect faults in an industrial control system.
Thanks to microprocessors, these relays...
level monitoring relay
SNG
Tripping current: 35 mA
... recognition parameter change-over wide-range power supply (universal power supply) Pc configurable (optional) inclusive of process monitoring + documentation Technical specifications Series: 22.5 mm rail housing operating ...
safety relay
QSRN
Safety relay module meets EN/ISO 13849-1 Cat.4 safety requirements, suitable for high-security requirements of industrial site monitoring for various signal, including emergency stop-signal, the safety ...
modular monitoring relay
PH001 & PAN45-01-00
... and overvoltage of each of the phases. – the asymmetry of each phase and loss of neutral. Equipped with a positive safety relay with 1RT contact, it ensures : – an adjustable delayed shutdown when exceeding the setting. – ...
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