ABB SS823 Power Voting Unit – Redundant Power Arbitration – Advant MOD 300 Series
In mission-critical industrial environments — oil & gas platforms, chemical processing plants, and power generation facilities — an unplanned control system shutdown can cost hundreds of thousands of dollars per hour. When the power supply architecture of a Distributed Control System (DCS) lacks a reliable arbitration mechanism, a single power rail fault can cascade into a full plant trip. The ABB SS823 Power Voting Unit is the engineered answer to this risk: a dedicated hardware module that continuously monitors and arbitrates between redundant power sources, ensuring your Advant MOD 300 DCS remains online even when one supply fails.
The SS823 occupies a precise niche within ABB’s Advant MOD 300 control system architecture — it is the power-layer guardian that makes true redundancy possible. As part of ABB’s globally deployed Advant platform, which has accumulated decades of installed base across process industries worldwide, the SS823 is a proven, field-hardened component trusted by automation engineers on every continent. Its role is non-negotiable in any MOD 300 installation designed to meet high-availability or SIL-rated uptime requirements.
Technical Specifications
- Part Number / SKU: SS823
- Manufacturer: ABB
- Series: Advant MOD 300
- Module Type: Power Voting Unit
- Function: Redundant power source arbitration and switchover control
- Compatible System: ABB Advant MOD 300 DCS
- Form Factor: Plug-in module (MOD 300 rack-compatible)
- Weight: 200 g (approx.)
- Condition Available: New surplus / Tested refurbished
Note: All specifications are based on ABB published documentation. Konmask.com does not fabricate or alter manufacturer specifications.
Key Features & Benefits
- True Power Redundancy: Continuously arbitrates between dual power inputs, enabling bumpless switchover upon primary supply failure — zero process interruption.
- System Integrity Protection: Prevents single-point power failures from propagating to the control layer, protecting I/O modules, processors, and field devices.
- Plug-and-Play Compatibility: Designed exclusively for the ABB Advant MOD 300 rack architecture — no field wiring modifications required for replacement.
- Long Service Life: Built to ABB’s industrial-grade standards for continuous 24/7 operation in harsh plant environments.
- Simplified Maintenance: Hot-swap capable design (verify with your system revision) minimizes maintenance windows and reduces MTTR.
- Global Installed Base: Backed by ABB’s worldwide service network and decades of MOD 300 field experience.
Industry & Equipment Applications
- Oil & Gas: Upstream wellhead control, midstream pipeline SCADA, downstream refinery DCS
- Chemical & Petrochemical: Continuous process control requiring SIL-compliant power architecture
- Power Generation: Turbine control systems, boiler management, grid-tie automation
- Pulp & Paper: High-availability process lines with ABB Advant installed base
- Water & Wastewater: Critical pumping station and treatment plant automation
- Mining & Minerals: Conveyor, crusher, and flotation circuit control systems
System Integration & Compatible Parts
The SS823 is designed to operate within the ABB Advant MOD 300 DCS ecosystem. Compatible and commonly co-ordered modules include:
- ABB MOD 300 Processor Modules (MP series)
- ABB MOD 300 I/O Modules (AI, AO, DI, DO series)
- ABB MOD 300 Communication Modules
- ABB MOD 300 Power Supply Units (PS series)
- ABB MOD 300 Rack / Backplane assemblies
If you need a complete bill of materials for your MOD 300 system upgrade or spare parts inventory, contact our engineering team — we can cross-reference your existing configuration.
Our Quality Assurance Process
- Visual Inspection: Every module is inspected for physical damage, corrosion, and component integrity before listing.
- Functional Testing: Refurbished units undergo bench testing against ABB factory test procedures where applicable.
- Authenticity Verification: We source only from verified industrial decommissioning projects and authorized distributors — no counterfeit parts.
- Secure Packaging: ESD-safe anti-static packaging with foam cushioning for international freight.
- Documentation: Test reports and condition certificates available upon request.
How to Order
- Submit your inquiry via the Contact / RFQ form on this page or email [email protected].
- Provide your required quantity, delivery timeline, and destination country.
- Our team will confirm stock availability, lead time, and issue a formal quotation within 24 business hours.
- Upon PO confirmation, we arrange export documentation, freight, and tracking.
Why Choose Konmask.com?
- ✅ Specialist Focus: We deal exclusively in industrial automation and control system components — not a generalist marketplace.
- ✅ Global Export Experience: Serving buyers in Europe, Southeast Asia, the Middle East, and the Americas with compliant export documentation.
- ✅ Engineering Support: Our team includes experienced automation engineers who can assist with compatibility verification and system integration questions.
- ✅ Competitive Lead Times: Extensive supplier network enables faster sourcing than OEM back-order queues.
- ✅ Transparent Communication: Honest stock status, clear quotations, and responsive after-sales support.
Frequently Asked Questions
Q: Is the ABB SS823 still in production?
A: The SS823 is part of the legacy Advant MOD 300 platform. ABB has transitioned to newer DCS architectures, but the SS823 remains available as new-surplus and refurbished stock through specialist suppliers like Konmask.com. We recommend contacting us to confirm current availability.
Q: Can the SS823 be used as a direct replacement in an existing MOD 300 system?
A: Yes — the SS823 is a plug-in replacement module for compatible MOD 300 rack positions. Always verify your system revision and firmware compatibility before installation. Our engineers can assist with compatibility checks.
Q: Do you provide a warranty on the SS823?
A: We offer a standard 90-day functional warranty on all tested refurbished units. New-surplus units are sold as-is with inspection certification. Extended warranty options are available — please inquire.
Q: What is the minimum order quantity (MOQ)?
A: MOQ is 1 unit. We accommodate both single-unit emergency replacements and bulk spare parts orders.
Q: Can you source other ABB MOD 300 modules I need?
A: Yes. We maintain an extensive sourcing network for the full ABB Advant MOD 300 module range. Send us your complete parts list and we will provide a consolidated quotation.
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