The Schmersal BNS33-12Z-2187 Safety Magnetic Switch is a reliable and durable industrial safety device designed to protect machinery and equipment. With a rating of 120V AC/DC and 250mA, this switch is capable of handling a variety of electrical systems. The magnetic sensor ensures that the switch is activated only when a magnetic object is in close proximity, providing a secure and efficient way to safeguard your equipment. Trust in the SCHMERSAL brand for quality and performance in industrial safety applications.