This IDEC part FB1W-XW1E-BV404MR is a reliable and durable emergency stop switch designed for critical applications. Featuring a normally closed contact configuration, this 4PST mushroom button switch can handle up to 5A at 250VAC or 250VDC. With a 32N screw panel mount design, this emergency stop switch is easy to install and provides a quick and effective way to shut down equipment in case of an emergency. Trust IDEC for quality and safety in your emergency stop switch needs.