Hi Pierre,
I agree with you, but you will also have to consider fault testing per 4.3 since the voltage is > 35V. This will prove that a fire hazard does not exist.
If you are also considering UL6500, a fire enclosure complying with UL94 will be required per paragraph 20.2.1.
Ed
From: "Pierre SELVA" <[email protected]> Reply-To: "Pierre SELVA" <[email protected]> To: "Forum Safety-emc" <[email protected]> Subject: EN60065 and "fire enclosure" Date: Thu, 23 Nov 2000 19:07:54 +0100 Hello all I've a question regarding the "fire enclosure" and the EN60065:1998. Clause 2.8.11 defines the "potential fire source". I understand that such a source is defined by two criterion : 1 - The open voltage must be > 50V and 2 - The apparent power in default condition must be > 15VA. Clause 20.2.1 explains that potential fire source with open voltage greater than 4KV must have a fire enclosure rated FV1. I have a product (a little monitor with CRT) which is powered by a 13.5VDC, 1500mA external adaptor. I consider this one is not a "potential fire source" because open voltage is < 50V. The CRT high voltage is about 8.5KV with a current of no more 100µA. I consider this is not a potential fire source because power is less than 15VA. So, my conclusion is : I don't need to have a FV1 fire enclosure around the product. Do you share this technical analysis ? If not, could you explain me what is missing in my analysis ? I thank you very much in advance for all your valuable inputs. Best regards, ==================================== Pierre SELVA 2 route de la GROBELLE 73000 JACOB BELLECOMBETTE - FRANCE Fx : 33 (0)6 61 37 87 48 GSM : 33 (0)6 60 52 04 96 e-mail : [email protected] ==================================== ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: [email protected] Michael Garretson: [email protected] For policy questions, send mail to: Richard Nute: [email protected]
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