Description
1. Product Title
ABB SS832 – Redundant Power Voting Unit for 800xA DCS System
2. Product Overview
The SS832 (part number 3BSC610068R1) is a dedicated power voting module manufactured by ABB, engineered exclusively for the ABB 800xA distributed control system and S800 I/O high-integrity safety frameworks. As a core redundant power arbitration component, SS832 receives dual independent 24VDC power inputs, continuously monitors the health and voltage status of both power feeds, and seamlessly switches power output upon single power source failure. It eliminates single-point power supply faults for critical DCS I/O racks and safety instrumented system loops, prevents unexpected control system shutdown caused by power supply breakdown, and maintains uninterrupted process control for high-risk industrial facilities. Equipped with built-in fault diagnostics and status dry contact feedback, the module supports DIN rail installation and complies with strict industrial environmental corrosion and EMC standards.
3. Technical Specifications
- Brand: ABB
- Model: SS832 (3BSC610068R1)
- Warranty: One Year
- Condition: 100% New & Original
- Power Input: Dual redundant 24 VDC input, 2×10A rated current
- Power Output: Single 24 VDC regulated output with overcurrent and overvoltage protection
- Operating Temp: -25°C to +70°C continuous operating range
- Installation: Standard DIN rail mounting
- Environmental Compliance: ISA-S71.04 G2 corrosive atmosphere resistance, Pollution Degree 2
- Indications: Front panel LED status indicators, voltage-free fault alarm relay contact
- Protection Rating: IP20 enclosure protection
- Certifications: CE, UL, RoHS compliant, IEC 61000 EMC standard
- Dimensions & Weight: 32mm width × 117mm depth, approximately 0.35kg net weight
- Compatible System: ABB 800xA DCS, S800 High Integrity I/O modules
4. Application Scenarios
- Thermal Power Plants & Power Generation: Installed in boiler control, turbine protection and auxiliary DCS racks, guaranteeing stable power supply for safety interlock I/O modules during grid fluctuation or internal power supply breakdown.
- Oil, Gas & Petrochemical Refineries: Deployed in ESD emergency shutdown systems, fire and gas detection control cabinets, ensuring continuous operation of critical safety loops to avoid catastrophic process hazards.
- Chemical Process & Pharmaceutical Plants: Applied in continuous reaction process DCS control frames, supporting redundant power supervision for batch control, pressure monitoring and hazardous material pipeline safety protection circuits.
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