Schneider Electric Harmony XB4 Series, Twist Release, Emergency Stop Push Button Head - ZB4BS834

Schneider Electric Head for Emergegency Stop - ZB4BS834 This ZB4BS834 is a chromium plated unit (bezel material), which has mechanical durability up to 300000 cycles. The resistance to high pressure washer is 7000000 Pa at 55 °C, distance: 0.1 m. This item is classified as ’’ Green Premium Product ’’, which provides the following: •Environmental information about the unit •Minimal use of hazardous substances in, and beyond, compliance with regulations (RoHS, REACh) •A promise of sustainable and environmentally friendly performance •Product Environmental Profiles (PEPs) for easy carbon footprint calculation •End-of-life instructions for reduced cost and optimised recycling What is the different between a push button switch for an emergency stop and a general-purpose push button switch? general-purpose push button switch is used for controls, e.g. to start machine operation or simply to switch modes. An emergency stop push button switch however, is mainly used as a safety measure to stop hazardous events. What is the electrical shook protection class for this item? This is a Class 1 conforming to IEC 61140