Home Products Protection Relays DRAGON 1RBP 421D1 Busbar protection – peripheral unit

RBP 421D1 Busbar protection – peripheral unit


The peripheral device RBP 421D1 is an element of the decentralized differential busbar and breaker failure protection. The distributed differential busbar protection is comprised of one central device (type RBP 401D3) and up to 32 peripheral devices (type RBP 421D1 or RFI 401D3).

The peripheral devices collect data from its analogue and binary inputs, process it and send it synchronously to the central device (CD). RBP 421D1 receives commands from central device and executes them.


Optional extension with I/O module type of RTB-1

Note: All flyers are subject to regular update.