E. Dold & Söhne GmbH & Co. KG

Tel.: +49 7723 654-0
E-Mail: dold-relays@dold.com

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Tel.: +49 7723 654-454
E-Mail: ab@dold.com

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E-Mail: rv@dold.com

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​The technical lexicon from DOLD

​An overview of the most important terms in the field of safe automation


Do you have questions about our products or certain technical terms? Our glossary explains the most important terms and designations from the field of safe automation, electrical safety and smart drive technology in an understandable way.

In this glossary you will find the most important information on various topics relating to safety relays, safety relays with forcibly guided contacts, electronic enclosures as well as safety switches, guard locks and key transfer systems - explained briefly and concisely.

To look up the definition of a particular term, select the corresponding initial letter.

Last entries

Safe Direction (SDI)

The SDI function prevents a motor from moving in an invalid direction. [DIN EN 61800-5-2]

J-actuator

The J-actuator specially developed for sliding doors has 4 degrees of freedom and is therefore able to compensate for height differences of up to 16 mm. It can be screwed on with 2 channels using...

Most read articles

Safe Limited Speed (SLS)

The SLS function prevents the motor from exceeding the specified speed limit. [DIN EN 61800-5-2] The function allows monitoring of an axis or spindle for a given speed. During set-up, for...

Safe separation

Safe isolation of circuits exists when a single fault does not lead to the voltage crossing over into that of another circuit. Safe isolation is defined according to IEC/EN 61140, IEC/EN 60947-1...