The Siemens DCA/4-20MA/DH1L1/117AC-AD-STD is a direct current alarm designed for industrial applications requiring reliable signal monitoring. This model supports a 4-20 mA input signal and features a 50-ohm input resistance, operating on a 117 VAC power supply at 50/60 Hz with a power consumption of around 5 watts. It offers dual output capabilities and includes a failsafe function to ensure dependable performance in critical situations. The alarm also comes with an adjustable deadband, allowing for precise tuning to avoid nuisance alerts. Housed in a standard enclosure with a U-back bracket for easy mounting, this product combines flexibility and durability. Distributed by BSP Automation, it is a solid choice for professionals seeking dependable alarm solutions.