Protection Feeder Terminal REF 543 ABB for Power Systems Process Network Modem (PNM) Input Count: 24 digital inputs

Input Count: 24 digital inputs

2 TB807 Modulebus Terminators

Supports both 2-wire and 3-wire connections for flexible field wiring

60 mA (24 V DC

Pharmaceutical manufacturing for maintaining cleanroom process visibility

Protection Feeder Terminal REF 543 ABB for Power Systems Process Network Modem (PNM) Input Count: 24 digital inputsOverview The ABB REF 543 Protection Feeder Terminal is engineered to safeguard and control electrical feeders in medium voltage applications. It integrates protection, measurement, control, and communication functions into a single compact unit. The terminal supports various network configurations, including isolated neutral and resonant earthed systems, making it highly adaptable across industries. Moreover, the REF 543 includes programmable logic