The IDEC HW1B-M4F01R-K is a robust, non-illuminated mushroom emergency stop pushbutton suitable for critical safety applications. This red pushbutton has a 40mm diameter for high visibility and easy activation. It features a 1NC (normally closed) contact configuration and employs a push lock pull reset mechanism for secure operation. Designed to halt machinery immediately when needed, this emergency stop pushbutton ensures safety and reliability in industrial environments.