Emergency stop switch & Stop switch.
Safe, intuitive and reliable.
Emergency stop or stop switches are a must for automated machines and systems. They enable a person to immediately stop a machine or system in an emergency. They protect people from injury and prevent damage to machines, systems and vehicles.
This is what emergency stop switches & stop switches can do.
Stop safely and immediately.
EAO offers a comprehensive range of intuitive and reliable emergency stop switches and stop switches for a wide variety of applications.
Emergency stop switches with positive opening function (in accordance with DIN EN ISO 13850 and EN 60204-1) primarily serve to protect people. However, they also protect your vehicles, machines, systems and controls from damage in the event of a breakdown. Emergency stop switches are always foolproof in design. You can easily recognise them by the red lens with yellow actuator or the yellow protective shroud.
Advantages
- 100% switching reliability and foolproof, even in harsh environments
- Low back panel depth
- Large range of minimum and maximum switch ratings
- Illuminated
- Resistant to impact, vibration and shock
- Usable down to –40 °C
- Very long service life for mechanical and electrical components
- Available with standards-compliant protective shroud
In addition to the emergency stop switches, we also offer stop switches that do not comply with the country-specific standards DIN EN ISO 13850 or EN 60204-1, but which are suitable for certain applications.
Function Emergency stop switch & Stop switch.
Emergency stop switch.
Protecting people and machines.
EAO's emergency stop switches are designed to reliably protect people from injury and prevent damage to machines, systems or vehicles, even in harsh environments and in tight installation conditions. Emergency stop switches with positive opening function (in accordance with DIN EN ISO 13850 and EN 60204-1) primarily serve to protect people. Emergency stop switches are always foolproof. They are easily recognisable by the red lens with yellow actuator or yellow protective shroud.
Advantages
- 100% switching reliability and foolproof, even in harsh environments
- Low back panel depth
- Large range of minimum and maximum switch ratings
- Illuminated
- Resistant to impact, vibration and shock
- Usable down to – 40 °C
- Very long service life for mechanical and electrical components
- Available with standards-compliant protective shroud
Stop switch.
With snap-action switching element.
Stop switches are different from emergency stop switches because they do not have to be foolproof. Thanks to their snap-action element, they are particularly suitable for use as on/off switches worldwide in mobile control units as well as in apparatus and mechanical engineering.
Advantages
- Reliable switching
- Extremely low back panel depth (18.8 mm)
- Large range of minimum and maximum switch ratings
- Optional illumination
- Wide range of lenses and lens colours
- Resistant to impact, shock and vibration
- Usable down to – 40 °C
- Very long service life for mechanical and electrical components
- Available with standards-compliant protective shroud
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FAQ.
Emergency Stop / Emergency Shut-off / Stop Switch.
What is the difference between an emergency stop and an emergency shut-off?
An emergency stop mechanically halts dangerous movements; the power supply to the equipment usually remains active. An emergency shut-off immediately and electrically isolates the entire equipment or system from the mains. This prevents electrical hazards such as electric shocks or short circuits.
What distinguishes an emergency stop button from a stop switch?
The emergency stop button is primarily intended for personal safety. It has a positive opening action, is always foolproof and, in accordance with standards, is coloured red and yellow. The stop switch controls normal operation, for example as a on/off switch. It usually operates with a snap-action switching element, does not need to be foolproof and is available in various colours.
Which standards must an emergency stop button comply with, and why is it mandatory?
The Machinery Directive obliges manufacturers to mount an emergency stop button in order to immediately avert risks to life and limb. The relevant standards are EN / IEC 60947-5-1, 60947-5-5 and DIN EN ISO 13850 for functional and design requirements. These include the red lens on a yellow background, as well as EN 60204-1 for electrical safety.
Are emergency stop buttons suitable for harsh environments?
Yes. EAO’s emergency stop buttons are resistant to impact, shock and vibration and are reliable at temperatures as low as −25 °C.
What do SIL and PL mean in relation to emergency stop switches?
Safety Integrity Level (SIL) and Performance Level (PL) assess the reliability of an entire safety function. As an electromechanical component, the emergency stop switch is the triggering element that the safety control system detects in order to achieve the required safety level.
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