burner monitoring

Optimized Compatibility: Specifically designed for GC Valves S201 series

03 adjustable null span

Key Benefits for Contractors Extreme Durability: Rated for 250 PSIG and 406°F

Littelfuse 201A-AU Monitor 328140-751 burner monitoringThe Littelfuse 201A AU is a critical 3 phase voltage monitor engineered to safeguard motors from catastrophic power line faults. This auto ranging motor protection relay operates within a wide 190480 V AC window at 50 60 Hz, making it a standard choice for HVACR contractors managing various system sizes. Using proprietary microcontroller based circuitry, the unit provides continuous phase loss protection, voltage unbalance detection, and monitoring