The Schneider Electric ZB2BZ1605C is a protective guard designed for 40mm emergency stop pushbuttons within the Easy Harmony XB2 series. Its primary function is to prevent accidental activation of the emergency stop while remaining easily identifiable due to its bright yellow color. 

Key Specifications:

• Button Type: Fits standard 40mm diameter mushroom head emergency stop and switch-off pushbuttons.
• Material: Made of high-strength plastic.
  • Note: This differs from the ZBZ1605 (without the 'C' suffix), which is a metal, padlockable guard for the Harmony XB4/XB5 series.
• Mounting: Designed for 22mm units and is fitted beneath the pushbutton head.