Auto-Reconfiguration Signalling Power Supply Systems - Preliminary Market Engagement

Network Rail operates a large portfolio of Auto Reconfiguration systems used to support the resilience of 400V TN S and 650V IT signalling power supplies. Many of these systems have been operational for more than two decades and face several challenges: • Obsolescence of essential components affecting maintainability and availability • Reliance on legacy telecoms (such as 3G) due to national network withdrawals • Rising failure risk due to ageing cables, switchgear and protection components • Limited diagnostic cap...