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FANUC A02B‑0281‑B803 – 3‑Slot Stand‑Alone Basic CNC Control Unit (16i/160i/160i‑SB)
The FANUC A02B‑0281‑B803 is a 3‑slot standalone basic unit engineered for FANUC Series 16i‑, 160i‑, and 160i‑SB control systems. Serving as the rugged core chassis without electronics or display, this unit is perfect for OEM builds, system retrofits, or spare parts inventories.
Three-slot chassis designed to host control, display, and I/O PCBs
Standalone configuration—ships blank, allowing users to load their own firmware, files, and boards
Core‑exchange required; refurbished units come with warranty and full load‑testing from top service providers
Industrial‑grade construction, built to endure machining‑floor conditions
OEM control cabinet builds for milling, turning, or grinding using FANUC 16i‑SB/160i‑SB
Retrofit projects upgrading or replacing worn-out CNC controller cores
Spare unit for maintenance warehouses, enabling fast recovery from downtime
Modular flexibility—build your system by selecting only the boards and firmware you need
Cost-efficient core exchange programs cut replacement time and expenses
Field-tested durability—fully refurbished units are load-tested and often backed with 1–2 year service warranties
Weight: ~8.8 lb
Availability: Discontinued by FANUC, available new (surplus) or refurbished through aftermarket providers
Warranty: 12-month in-service from refurbishers
The FANUC A02B‑0281‑B803 is a versatile, core CNC control chassis designed as a blank-slate platform. Its 3-slot layout and standalone design allow maximum customization—ideal for machine builders, repair centers, or system integrators. With reliable aftermarket sourcing and core‑exchange pathways, it’s a cost-effective backbone for building or refreshing advanced FANUC CNC setups.
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