Siemens 141-0574

Siemens catalog number 141-0574 is an airflow switch designed to monitor differential static pressure. This device features a single-pole, double-throw (SPDT) contact configuration and includes an automatic reset function for seamless operation. It can detect pressure changes ranging from 0.05 inches up to 1.0 inch water column, with a maximum pressure rating of 1/2 PSI. The switch is rated for voltages between 125 and 277 VAC and supports a current load of up to 15 amps. Distributed by BSP Automation, this airflow switch is a reliable component for controlling and safeguarding HVAC and industrial systems where precise pressure monitoring is essential.