Frequently asked questions

Door retainers for fire proof doors, electric locks, solenoid bolt and access controls l

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	In this section you can find the frequently asked questions about services provided by Opera
	Is it possible to download or to see the price list ?
WHERE TO BUY	Can I buy the Opera products online ?
	Can I Pay Online ?
	Where can I buy the Opera products ?
	Where are the sales conditions ?

	Can I use content from the Opera site on my own site ?
SITE SERVICES	Can I insert a link to the Opera site on my Own site ?
	Is it possible to set up a link exchange ?
	Is there a disclaimer page ?

European Standard and International norms	Are the Opera products conform to the RoHs directives ?
	What is the European Standard EN 12209 ?
	What is the CE Marking ?
	Are the Opera hold-open device conform to the BS EN1155 ?

	I need to set up an interlock connection between two doors, managed by a tabletop control panel. What should I order ?
PRODUCTS - What to order	I need to set up an interlock connection between two doors for a store, without a tabletop control panel. What should I order ?
	I want to set up an interlock using electric strikes. What should I order ?
	I need to protect an entranceway with an entry code keypad. What should I order ?
	I need an access control system which tells me who entered and at what time. What should I order ?
	I’m looking for a lock which stays unlocked during the day but locks automatically at a preset time. Can you help me ?
	I'm looking for an electric strike for use with an access control system and which therefore has low consumption. Do you have one ?
	I need an alarm to be activated in the event that someone opens a door without authorisation; obviously, the alarm would not be activated if opened by someone with authorisation. Is there such a system ?
	What is an electromagnetic door holder ?

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