Siemens BD2A-400-ME Central Feeder Unit

The Siemens BD2A-400-ME is a central feeder unit used in busbar trunking systems, particularly within the BD2A series designed for low-voltage power distribution. These systems are commonly installed in commercial buildings, data centers, and industrial environments to provide a modular, compact method of distributing electrical power with enhanced safety and reliability. Technical Specifications Model Number: BD2A-400-ME Series: BD2A Busbar System Function: Central Feeder Unit (main power entry point into the busbar system) Rated Operational Current: 400 A Rated Operational Voltage: 400 V / 690 V AC Frequency: 50/60 Hz Number of Conductors: 4 (3 phases + neutral; PE optional depending on layout) Connection Type: – Designed to connect to incoming cables or switchgear – Direct bolted or plug-in connection to busbar trunking Busbar Housing Material: Typically aluminum or steel with insulation barriers Conductor Material: Copper or aluminum (check model-specific variant) Ingress Protection: IP54 or higher (for standard indoor protected installations) Mounting: Horizontal or vertical busbar installation Standard Compliance: – IEC 61439-6 (Power switchgear and controlgear assemblies – Busbar trunking systems) – EN/IEC 60529 (Protection ratings)

690V - 400A - 50-60Hz