Safety Light Curtains, Safety Mats and Ergonomic Palm Buttons
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SSSR Safety Relay Interface
Part #SSSR

Allows customer selectable Manual or Auto Reset. Fits in a smaller space than two
52-278 Safety Relays.


Basic device for Emergency-Stop and Safety Gate Applications

• Basic device to EN 60204-1:2005 and EN ISO 13849:2007 for single or dual E-stop monitoring.
• PL e / category 4 in accordance with EN ISO 13849-1:2007 (previously EN 954:1997 category 4)
• SILCL 3 in accordance with EN 62061:2005
• Stop category 0 acc. EN 60204-1
• Manual or automatic start
• Cross monitoring
• Feedback loop to monitoring external contactors
• 2 Enabling paths, 1 signalling path
• Processing of signals from output switching devices (OSSD) of light curtains acc. EN 61496-1.
• To connect to load side of safety mats acc. EN 1760-1
• Debouncing of inputs

Description of Device and Function

SSSR - This device is a two-channel safety switching device for emergency stop applications with self-monitoring on each ON-OFF cycle. It conforms to EN 60204-1 and is equipped with positively driven relays.

Basic function: After supply voltage has been connected to terminals A1/A2 and the safety inputs closed, operating the reset button closes the enabling current paths (manual start). When the safety inputs are opened/de-excited the enabling current paths will open.

 

SSSR

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