Description

The WESTINGHOUSE 5X00481G01 is a high-capacity redundant power supply module engineered for Emerson’s Ovation DCS, delivering mission-critical power distribution to control racks in extreme industrial environments. Designed for 24/7 operation in power generation and process industries, this module features dual independent 24VDC inputs with automatic load sharing and seamless failover (<1ms>5X00481G01 incorporates active power factor correction (PFC >0.95) and wide input voltage tolerance (85-264V AC), stabilizing power for Ovation controllers and I/O modules during voltage sags common in steel mills or arc furnace facilities. Its convection-cooled design eliminates fan failures while maintaining 92% efficiency at full load – critical for reducing heat buildup in enclosed substation panels.

As the backbone of fault-tolerant control architectures, this power supply supports live insertion/removal and provides real-time diagnostics via Ovation Health Manager. The WESTINGHOUSE 5X00481G01 meets IEEE 1613 surge immunity standards (6kV) and operates from -40°C to 85°C ambient temperature, making it suitable for desert solar farms or Arctic pipeline compressor stations. Integrated current-sharing parallel operation allows N+1 redundancy configurations, while arc-resistant construction prevents energy release during internal faults in hazardous locations.

Technical Specifications

Main Features and Advantages

True Redundancy Architecture: The WESTINGHOUSE 5X00481G01 employs decentralized current sharing without master/slave dependency. Either module can assume 100% load instantly during failures – critical for turbine trip systems where power loss could cause catastrophic damage.

Extreme Environment Resilience: Operates at full rating from Arctic cold (-40°C cold-start) to desert heat (85°C) without derating. Conformal-coated PCB withstands 95% humidity and corrosive atmospheres in flue gas desulfurization plants.

Advanced Power Management: Digital load monitoring (±1% accuracy) enables predictive capacity planning. Built-in ripple suppression (<50mV>

Safety-Certified Design: Arc containment channels direct internal faults away from terminals. Reinforced isolation barriers exceed IEC 62103 requirements for SIL 2 applications. Ground continuity monitoring prevents floating voltages.

Diagnostic Intelligence: Front-panel LEDs indicate input status, output health, and load sharing balance. SNMP-compatible telemetry reports voltage/current trends to Ovation Health Manager for proactive maintenance.

Application Field

The WESTINGHOUSE 5X00481G01 secures critical power in high-availability systems:

Power Generation: Feeds turbine protection systems and boiler controls in coal/nuclear plants, surviving grid transients and generator black-start events

Oil & Gas: Powers offshore platform safety shutdown systems (SIL 2), leveraging salt fog resistance and vibration immunity

Water Management: Ensures continuous operation of floodgate controls and filtration backwash sequences during storms

Metals Production: Supports arc furnace electrode positioning systems despite severe voltage harmonics

Transportation: Energizes tunnel ventilation controls in rail systems where battery backup is critical

Renewables: Maintains solar tracker and wind pitch control during voltage dips in remote farms

Related Products

5X00485G01 – 8A redundant power supply for smaller racks

5X00497G01 – Ovation controller powered by 5X00481G01

5X00501G01 – Power distribution panel for multi-rack systems

5X00482G01 – 48VDC output variant for telecom applications

5X00350G01 – DC-UPS module for backup power extension

5X00226G02 – Communication gateway sharing same power infrastructure

5X00119G01 – Digital output module requiring stable 5X00481G01 power

5X00562G01 – Cybersecurity appliance with redundant power inputs

WESTINGHOUSE 5X00481G01

Installation and Maintenance

Pre-installation preparation: Verify rack compatibility (supports Ovation 1U/2U racks). Ensure independent AC feeds for redundancy. Torque input terminals to 0.8 N·m using 12-10 AWG wire. Maintain 25mm vertical clearance for convection cooling.

Maintenance recommendations: Monthly infrared scans to detect hot spots (>15°C above ambient indicates failure). Annual calibration of output voltage (±1% tolerance). Replace units showing >5% current imbalance between modules. Test failover quarterly by simulating input loss. Clean heatsinks biannually with non-static vacuum.