Saia Microswitches Microswitch 626428 - Saia V4NST9UL, The Saia V4NST9UL microswitch is a miniature switch rated at 250 V AC and 5 A with an IP67 rating for robust protection against dust and water. It features a momentary plunger actuator with one set of On/(On) contacts, making it ideal for applications requiring temporary activation such as control panels and industrial equipment. This compact microswitch, measuring 20x10.3x6.4 mm, is suited for tight spaces in electronic devices and machinery. Saia V4NST9UL Microswitch, IP67, 250V AC 5A, Momentary, UL Approved