Description
The Siemens 8WD4420-5AD is a SIRIUS 8WD4 signaling column element, part of the Siemens SIRIUS 8WD range. It is widely deployed in machine status and fault signaling in production lines and automation cells. HKTX Automation (Hong Kong Tai Xuan Electrical Systems Group Limited) supplies this model to distributors, system integrators and factories worldwide.
Warranty: All units carry a 12-month warranty against non-human damage.
Shipping: Worldwide delivery via FedEx / DHL with secure export packing.
How to order: Send us the part number on WhatsApp or by email for a quotation with price and lead time. RFQs are usually answered within 12 hours.




