The ABB NDBU-95C is a DDCS (Distributed Drives Communication System) branching unit used in ABB ACS800 and other AC drive systems to distribute fibre-optic DDCS communication between a master controller and multiple drive units. It enables star topology wiring for multi-drive installations, simplifying cabling and improving system reliability.Key Benefits Enables star topology DDCS fibre-optic communication in multi-drive systems Compatible with ABB ACS800 and other DDCS-based AC drive platforms Simplifies cabling in large drive installations Supports high-speed, noise-immune fibre-optic communication Compact unit for easy integration into drive cabinets Features Model: NDBU-95C Part Number: NDBU95C Brand: ABB Communication: DDCS (Distributed Drives Communication System) Interface: Fibre-optic Compatible With: ABB ACS800 and DDCS-based drive systems Condition: Used — Excellent working and physical condition.This is for 1 Unit(s).What you see in the product images is exactly what you receive — no surprises.Note: Customs fees and import duties for international orders are the responsibility of the buyer.