Calling experts on IEC or EN 61000-3-3 & 61000-3-11,

I have a client who has a 4 channel, professional lighting dimmer device,
designed to be used for small stage productions (schools etc).  The device
is failing 61000-3-3 flicker requirements.  This device is designed to
switch the lighting outputs on and off at high rates - potentially 7 times
per second, and the result naturally is a poor result in the flicker tests.
The user is in direct control of the switching rate and therefore the
potential resulting "flicker" detected on the mains.

As I understand it, 61000-3-11 also includes requirements for "conditional
connection" devices and that devices that can not comply with 61000-3-3 can
be covered under 61000-3-11 as a "conditional connection" device.

My questions:
* Am I correct in assuming that this device would need to comply with
the "conditional connection" requirements of 61000-3-11?
* Can anyone give me a rough idea of the "conditional connection"
restrictions/requirements?

All input gratefully received.
Thank you.


Best regards,
Kevin Richardson

Stanimore Pty Limited
Compliance Advice & Solutions for Technology
(Legislation/Regulations/Standards/Australian Agent Services)
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Email:    [email protected]    or    [email protected]
URL:  www.stanimore.com 

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