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Bard 8201-156 - 48VDC Polarity Monitor
The Bard 8201-156 48VDC Polarity Monitor is an OEM electrical protection component used in Bard HVAC control circuits that operate on 48VDC power, helping identify reversed DC polarity before it can create nuisance faults or damage sensitive electronics. This monitor is typically installed in the low-voltage/control section and is intended to support reliable system operation by verifying proper DC supply connection and providing a polarity status or alarm signal depending on the application. If you are troubleshooting intermittent control issues, unexpected lockouts, or recent wiring changes on a Bard wall-mounted unit or accessory powered by 48VDC, replacing the polarity monitor with the correct Bard part number 8201-156 helps ensure proper fit, wiring compatibility, and dependable OEM performance.
- Technical Specifications
- Product number: 8201-156
- Manufacturer description: 48VDC Polarity Monitor
- HTS Code: "9032.89.6015"