The CE4T-10R-11 Emergency stop is: Compact – Emergency stop – Twist release – Maintained – Mushroom 40 mm – Red – Non-illuminated – 1NO+1NC – 1 NO – 1 NC – 24 … 300 V This Emergency stop is part of ABB’s compact range, the most efficient all-in-one solution available, reducing installation time and cost. The compact range has a high level of dust and water resistance.