Regal Rexnord
Switchgear, Transfer Switches & Controls
Regal Rexnord switchgear, transfer switches, and control solutions — delivered through the Thomson Power Systems brand and supported by Marathon Special Products electrical components — provide the power distribution, automatic backup switching, and system control intelligence that keep data centers, hospitals, water treatment plants, airports, and industrial facilities operating through grid disturbances, maintenance events, and emergency scenarios. The product range encompasses automatic transfer switches (ATS) rated 100A to 4000A, bypass-isolation transfer switches for maintainability without load interruption, low- and medium-voltage custom switchgear up to 13.8kV, distributed generation and cogeneration paralleling switchgear, arc-resistant switchgear for personnel safety, seismic-qualified designs, and load bank systems for generator testing and commissioning. Thomson Power Systems custom designs each switchgear lineup to meet site-specific requirements, integrating power switching, metering, protective relaying, PLC-based control logic, and HMI interfaces within a single engineered assembly that arrives factory-tested and ready for field connection.
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Trusted by Industry Leaders
Automatic Transfer Switches 100A–4000A
Open-transition, closed-transition, and bypass-isolation ATS designs cover every commercial, industrial, and mission-critical power continuity requirement with UL 1008 listing and IBC seismic compliance options.
Custom-Engineered Low & Medium Voltage Switchgear
Factory-assembled switchgear rated 240V to 13.8kV integrates breakers, bus bars, metering, protective relays, and PLC controls into a pre-tested, ready-to-energize power control center.
Arc-Resistant Construction for Personnel Safety
Arc-resistant designs contain and redirect arc-flash energy away from operators during faults, meeting IEEE C37.20.7 standards and reducing personal protective equipment (PPE) burden during normal switching operations.
Paralleling Switchgear for Distributed Generation
Power control systems synchronize multiple generators, cogeneration turbines, or renewable sources with the utility grid, enabling peak shaving, demand response, and island-mode operation for microgrids.
Load Banks for Generator Testing
Low- and medium-voltage resistive/reactive load banks provide controllable test loads for commissioning, NFPA 110 compliance testing, and periodic generator exercise without disrupting facility operations.
Full-Service Lifecycle Support
Factory-trained technicians provide system commissioning, breaker maintenance, infrared thermography, protective relay calibration, and emergency repair — ensuring that backup power systems perform when called upon.
Why Thomson Power Systems Switchgear Protects Critical Infrastructure
When utility power fails, the switchgear and transfer switch must operate — instantly and flawlessly. Thomson Power Systems, as part of Regal Rexnord, has engineered this level of reliability into every switchgear assembly and transfer switch for decades, serving data centers, hospitals, water and wastewater utilities, airports, and military installations where power continuity is not negotiable. Every assembly undergoes full factory acceptance testing (FAT) before shipment, eliminating the field troubleshooting that delays project schedules.
Industries & Applications
Regal Rexnord switchgear and transfer switch solutions protect critical electrical infrastructure across diverse sectors. Data centers deploy draw-out bypass-isolation ATS and 15kV switchgear for simultaneous maintainability and source availability. Hospitals rely on NFPA 99-compliant transfer switches for life-safety and critical branches. Municipal water and wastewater treatment plants use automatic transfer switches for pump station backup power. Airports install paralleling switchgear for ground-support power and terminal redundancy. Industrial manufacturing plants use arc-resistant switchgear for operator safety in process-critical power distribution.