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ABB ASTO-21C 3AUA0000065265 Protection Board — industrial automation module front view
ABB ASTO-21C 3AUA0000065265 — front panel with LED indicatorsABB ASTO-21C 3AUA0000065265 — backplane connector sideABB ASTO-21C 3AUA0000065265 — PCB board detail
ABB

ABB ASTO-21C 3AUA0000065265 Protection Board

SKU: ASTO-21C 3AUA0000065265 In Stock

The ABB ASTO-21C 3AUA0000065265 is a protection board for ABB platforms. Manufacturer: ABB | Model Number: ASTO-21C | Part Number: 3AUA0000065265. Factory-sealed, live-rack tested, 48-hour burn-in. 12-month warranty. Ships within 24h.

Technical Specifications

ASTO-21C (Part No. 3AUA0000065265)is a protection board designed for industrial drive systems. Engineered for high reliability, it plays a key role in safeguarding automation components within ABB’s advanced control architecture.
Product TypeProtection Board
ManufacturerABB
Model NumberASTO-21C
Part Number3AUA0000065265
Input Voltage24 VDC
Dimensions145 mm (length) × 110 mm (width) × 20 mm (height)
Net Weight0.096 kg
Operating Temperature–40°C to +70°C
Communication InterfacesEthernet, RS485
Digital Inputs16 channels
Digital Outputs16 channels
Memory Capacity256 KB
Country of OriginEstonia
Customs Tariff Code85049090
Packaging Volume0.319 dm³
WEEE CategoryProduct not in WEEE scope
Compact DesignSlim profile suitable for tight installation spaces
Multi-Language ProgrammingSupports ladder logic and structured text for flexible development
Real-Time DiagnosticsBuilt-in fault detection enhances system reliability
Industrial DurabilityManufactured to Swiss engineering standards for long-term stability
Network ExpansionSeamlessly integrates with mainstream automation platforms
Application VersatilityIdeal for complex process control in sectors like petrochemicals and mining
Plug-and-Play CompatibilityDesigned for easy replacement and integration within ABB drive systems
Model / SKUASTO-21C 3AUA0000065265
Request a Quote — ASTO-21C 3AUA0000065265

Ships within 24 hours  |  12-Month Warranty  |  Worldwide Delivery

Category: abb other seriesabballcommunication modules

Genuine ABB — Functionally Tested

Live-rack power-up, channel verification, communication testing, 48h burn-in at 55C. Printed test report. Full traceability. 12-month warranty. Ships within 24h.

Compatible Parts — Same System

These modules share the same system family as the ASTO-21C 3AUA0000065265. Commonly ordered together for complete rack builds or spare parts kits.

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