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OPERATING INSTRUCTIONS AND DATA SHEET 

 

FOR SAFETY CONTROLLER REA3 

 

 

Safety switch REA3

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Date:  

17.08.2017

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Page 4 of 12 

Variotech GmbH, Gewerbeweg 5, 2230 Gänserndorf, Tel +43 2282 60310, http://variotech.com

 

Variotech GmbH, Gewerbeweg 5, 2230 Gänserndorf, Tel +43 2282 60310, http://variotech.com

 

Warranty and liability: 

The entitlement to warranty and liability is void if the controller is not used in the intended manner, if any 
damage can be traced back to a failure to observe the operating manual, or if installation and operating 
personnel are not properly qualified or trained. 

 

Intended use: 

The only acceptable application for the safety switch REA3 is for lift systems. The safety switch REA3 must 
only be used for the case defined in EN81 Annex 3, prevention of unintended movement of the cabin from 
a standstill. 

 
 

Protection from electric shock: 

The safety switch REA3 must be installed in an earthed and isolated switch cabinet. 

 

 

Technical description: 

Layout and connections: 

 

Summary of Contents for REA3

Page 1: ...the protective device itself is not part of this safety switch and or description and must be provided on the lift system by the customer Devices that have been tested according to the regulations of...

Page 2: ...escription 4 Layout and connections 4 Ambient conditions 5 Usage conditions 5 Installation fastening 5 Connections and terminal designation 5 Possible sources of error 7 Monitoring of the magnetic swi...

Page 3: ...e symbol gives warning of impending dangers which could even cause serious bodily injuries and death ATTENTION This notice alludes to a source of danger and gives information about suitable precaution...

Page 4: ...d in the intended manner if any damage can be traced back to a failure to observe the operating manual or if installation and operating personnel are not properly qualified or trained Intended use The...

Page 5: ...itions The REA3 safety switch must only be used when the following requirements are fulfilled a The brake element of the protective device must be type tested b Suitable self monitoring of the ordinar...

Page 6: ...ay contact This contact is always closed during operation and opens in case of UCM The relay contacts can be used for a maximum current of 2A and a maximum voltage of 24VDC or 250VAC It is also safegu...

Page 7: ...wn due to the recorded error when the next safety circuit opens Therefore deactivation in case of a magnetic switch error does not take place during travel and only occurs after travel when the cabin...

Page 8: ...elay heats up which should generally be avoided Most 24V mains adapters have the capability of adjusting the voltage in a range of 10 with a regulator The correct voltage should be checked with a mult...

Page 9: ...ircuit is open the SK LED must not illuminate In case a check yields a negative result you have to assume there is capacitively coupled interference It must be eliminated by the customer The lift can...

Page 10: ...by pressing the TEST button Redundant double execution encoders and sensors for safety functions are subject to testing for plausibility in the REA3 safety switch The functional test is carried out f...

Page 11: ...ating duration of 20 years or 3 5M journeys because the stated product life cycle of the safety relay has then been reached Disposal and recycling Unusable or irreparable devices as well as those whic...

Page 12: ...rail installation including magnetic switch REA3 V2MS REA3 safety switch Installed in a plastic housing for top hat rail installation without Magnetic switch REA3 V2XX Matching IP65 industrial housin...

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