Safety Switch for Separating Protective Devices

Protective doors in enclosures that are rarely used are complex and expensive. Simply omitting the door and dismantling the fence is not allowed! SSP offers a solution for this: the SE field (Quick Removal Field) from SSP.

What criteria must a SE field (Quick Removal Field) fulfill?

Under the Machinery Directive 2006/42/EC, it is already defined that the fastening devices must only be opened or removed with tools. This is to ensure that only qualified or authorized persons can open the separating protective device.öffnen
Fastening devices must remain attached to the stationary separating protective device. Standard screws are therefore not permitted. This is to prevent the fastening devices from becoming lost.
Separating protective devices must not remain in the protective position after the fastening devices are loosened. This is to ensure that the protective device is always properly secured, and this is immediately visible from its position.
Separating protective devices that cannot be easily moved or transported by hand must be equipped with appropriate fastening devices for transportation using a lifting device, or they must have a provision for such attachments.

Further guidance can be found in DIN EN ISO 12100-2011-03 and DIN EN ISO 14120, which address the topic of separating protective devices.
Another point is the access frequency. According to DIN EN ISO 14120, a fixed, separating protective device is only permissible if the foreseeable frequency of access is rare (e.g., less than once per week) and the reinstallation is simple, with removal and reinstallation being able to be carried out in a safe work system.

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