Genuine YOKOGAWA ASS9791AT-0 Power Supply Module | CENTUM VP / CS 3000 – Verified Source
The YOKOGAWA ASS9791AT-0 is a dedicated power supply module engineered for the CENTUM VP and CS 3000 Distributed Control System (DCS) platforms. In mission-critical process industries — oil & gas, petrochemical, power generation, and pharmaceuticals — a failed or counterfeit power supply module can cascade into full system shutdown, unplanned downtime, and significant production loss. The ASS9791AT-0 is the backbone of stable, uninterrupted DCS operation, and sourcing a genuine, verified unit is non-negotiable.
As a purpose-built component within YOKOGAWA’s world-renowned CENTUM series, the ASS9791AT-0 occupies a critical position in the global industrial automation supply chain. YOKOGAWA’s CENTUM DCS platform is deployed in thousands of facilities worldwide, and the ASS9791AT-0 remains one of the most sought-after replacement and spare parts for maintaining system integrity across aging and active installations alike.
Technical Specifications
- Part Number: ASS9791AT-0
- Manufacturer: YOKOGAWA Electric Corporation
- Module Type: Power Supply Module
- Compatible Platform: CENTUM VP / CS 3000 DCS
- Weight: 2,780 g (approx.)
- Condition: New / Refurbished / Tested (specify on inquiry)
- Origin: Japan
Note: All specifications are based on manufacturer documentation. We do not fabricate or alter technical data. For full datasheet, contact our technical team.
Our 4-Step Quality Verification Process
- Source Authentication — Every ASS9791AT-0 unit is traced to authorized distribution channels or verified OEM surplus. We reject any unit with unclear provenance.
- Visual & Physical Inspection — Our engineers inspect PCB condition, connector integrity, label authenticity, and housing for signs of tampering, rebranding, or counterfeit manufacture.
- Functional Bench Testing — Where applicable, modules undergo powered functional testing to confirm output stability and protection circuit behavior before shipment.
- Documentation & Traceability — Each shipment includes a test report, inspection checklist, and packing declaration. Serial numbers are logged for full traceability.
Key Features & Benefits
- Designed specifically for YOKOGAWA CENTUM VP and CS 3000 DCS architectures
- Ensures stable, regulated power delivery to field control stations and I/O modules
- Built-in protection mechanisms for overvoltage, overcurrent, and short-circuit conditions
- Hot-swap capable design supports maintenance without full system shutdown (platform-dependent)
- Manufactured to YOKOGAWA’s stringent industrial-grade quality standards
- Long service life suitable for continuous 24/7 process control environments
Typical Applications
- Oil & Gas upstream/downstream process control systems
- Petrochemical and refinery DCS installations
- Power generation plant automation (thermal, nuclear, hydro)
- Pharmaceutical manufacturing process control
- Pulp & paper and chemical plant automation
- Water treatment and utility infrastructure control
Compatible System Components
- YOKOGAWA CENTUM VP Field Control Station (FCS)
- YOKOGAWA CS 3000 Field Control Unit (FCU)
- YOKOGAWA ESB Bus Coupler Modules
- YOKOGAWA I/O Modules (AAI, AAM, ADV, ADI series)
- YOKOGAWA Engineering Workstation (EWS) and HIS
- YOKOGAWA Vnet/IP and V-net communication modules
Contact us to confirm compatibility with your specific system revision and firmware version.
Global Sourcing & Shipping Capabilities
Konmask.com operates as a specialized industrial automation parts supplier serving clients across Asia-Pacific, the Middle East, Europe, and the Americas. We maintain stock of critical YOKOGAWA spare parts and can source hard-to-find modules through our verified global supplier network.
- Lead Time: In-stock units ship within 3–5 business days; sourced units typically 7–21 days
- Shipping Methods: DHL Express, FedEx International Priority, sea freight for bulk orders
- Export Compliance: All shipments comply with applicable export regulations; commercial invoice and packing list provided
- Packaging: Anti-static ESD packaging with foam cushioning for safe international transit
Certifications & Compliance Statement
YOKOGAWA Electric Corporation designs its industrial automation products to meet international safety and quality standards. The ASS9791AT-0 is manufactured under YOKOGAWA’s ISO 9001-certified quality management system. Konmask.com does not modify, repair, or alter any module’s internal components. All units sold are represented accurately as new, surplus, or refurbished — clearly stated at time of quotation.
How to Order
- Submit an Inquiry — Use the contact form on this page or email [email protected] with your required quantity and delivery timeline.
- Receive a Quotation — Our team will respond within 1 business day with pricing, availability, and lead time.
- Confirm & Pay — We accept T/T (bank transfer), PayPal, and other agreed payment terms for verified business customers.
- Shipment & Tracking — Your order is packed, documented, and dispatched with full tracking information provided.
📞 Phone / WhatsApp: +0086 19859288691
📧 Email: [email protected]
Authenticity & Trust FAQ
Q: How do I know the ASS9791AT-0 you supply is genuine YOKOGAWA?
A: Every unit passes our 4-step verification process. We provide inspection documentation and can share serial number details upon request. We do not sell unmarked or rebranded parts.
Q: Can you supply both new and refurbished units?
A: Yes. We clearly state the condition of each unit in the quotation. Refurbished units are bench-tested and carry a limited warranty period — details provided at time of sale.
Q: Do you offer a warranty?
A: New units carry the manufacturer’s original warranty where applicable. Refurbished/tested units carry a Konmask.com limited warranty. Terms are specified in the sales agreement.
Q: Can you handle urgent or emergency orders?
A: Yes. Contact us directly via WhatsApp or phone for expedited sourcing and express shipping options. We understand that DCS downtime is costly.
Q: What if the part doesn’t match my system?
A: We encourage customers to share their system configuration before ordering. Our technical team will verify compatibility. Returns are handled per our standard policy.
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Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691









