The ABB MPET4-10R Emergency Stop is a reliable and versatile component from ABB's modular plastic range. Engineered for durability and ease of use, this non-illuminated, red mushroom-head emergency stop features a 40mm twist-release mechanism. Its self-cleaning contacts ensure consistent operation and a longer lifespan, while its robust design guarantees performance even in demanding environments. The innovative, tool-free installation simplifies setup, making it an ideal solution for various applications..The ABB MPET4-10R is a modular emergency stop button with a 40mm red mushroom head. It features a twist-release mechanism for operation and is non-illuminated. The unit is designed for maintained function and does not include a contact block. It has a panel mount type and screw connector. The operating ambient air temperature ranges from -25 to +70 degrees Celsius. Its dimensions are 0.04m in width and height, and 0.068m in depth. The product is part of ABB's modular range and is classified as an Operator and Pilot Light.