ES21 emergency stop pushbuttons are essential in automated machines and plants. They make it possible for someone to stop a machine or a system immediately in case of an emergency. Depending on the variant, the emergency stop pushbuttons are either integrated into a machine control panel, or mounted with their housings directly on the machines. • Available either as a surface-mounted version with housing or as a built-in version (Ø 22 mm) • Built-in version for machine control panels with self-monitoring contacts between pushbutton and switching element • Surface-mounted version for direct mounting on different machines and systems • Variants with LED ring lighting • Optionally available with protective collar to prevent inadvertent actuation Features • Increased safety due to self-monitoring contacts • Reduction in accidental faults due to variants with a protective collar • User-friendly status indicator identified by a colored mark or LED ring around the pushbutton simplifies diagnostics • Successful down to the last detail: award-winning and appealing design

ES21 emergency stop pushbuttons are essential in automated machines and plants. They make it possible for someone to stop a machine or a system immediately in case of an emergency. Depending on the variant, the emergency stop pushbuttons are either integrated into a machine control panel, or mounted with their housings directly on the machines. • Available either as a surface-mounted version with housing or as a built-in version (Ø 22 mm) • Built-in version for machine control panels with self-monitoring contacts between pushbutton and switching element • Surface-mounted version for direct mounting on different machines and systems • Variants with LED ring lighting • Optionally available with protective collar to prevent inadvertent actuation Features • Increased safety due to self-monitoring contacts • Reduction in accidental faults due to variants with a protective collar • User-friendly status indicator identified by a colored mark or LED ring around the pushbutton simplifies diagnostics • Successful down to the last detail: award-winning and appealing design

ES21 emergency stop pushbuttons are essential in automated machines and plants. They make it possible for someone to stop a machine or a system immediately in case of an emergency. Depending on the variant, the emergency stop pushbuttons are either integrated into a machine control panel, or mounted with their housings directly on the machines. • Available either as a surface-mounted version with housing or as a built-in version (Ø 22 mm) • Built-in version for machine control panels with self-monitoring contacts between pushbutton and switching element • Surface-mounted version for direct mounting on different machines and systems • Variants with LED ring lighting • Optionally available with protective collar to prevent inadvertent actuation Features • Increased safety due to self-monitoring contacts • Reduction in accidental faults due to variants with a protective collar • User-friendly status indicator identified by a colored mark or LED ring around the pushbutton simplifies diagnostics • Successful down to the last detail: award-winning and appealing design