The MPEK3-11R emergency stop is a key release, momentary, mushroom button with a 30mm diameter in red and non-illuminated, without a contact block. This emergency stop is part of ABB's modular plastic range, known for its versatility, high flexibility, and market-leading electrical ratings. Engineered for total reliability, it offers a longer lifetime and the highest mechanical durability. Self-cleaning contacts ensure reliable operation without the need for maintenance, increasing uptime. A high degree of protection guarantees reliability in extreme environments. The innovative design simplifies the entire process, from selection to easy and quick, tool-free installation. It is the perfect solution for every application.