The Murphy VS2EX 20700049 is a highly sensitive, explosion-proof shock and vibration switch designed to protect critical rotating and reciprocating machinery from costly damage. It detects abnormal shock or vibration and triggers an alarm or shutdown sequence before severe failure can occur. Housed in a durable, NEMA 7 rated aluminum alloy case, the VS2EX is certified for use in Class I, Division 1 hazardous locations. Its internal mechanism features a magnetic latch and an adjustable sensitivity setting, allowing for precise calibration to the specific operational vibrations of your equipment, ensuring reliable protection for pumps, compressors, engines, and other industrial machinery.