RayTek MI3 - Ex Power Supply Variants and IECEx Certification

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MI3 Rev. G Nov/2015 63
9.2.5 Ex Power Supply 115MI3ACIS / 230MI3ACIS
The two variants of the Ex Power Supply without voltage selection switch are hard wired to the mains
voltage. These devices are considered as nonsparking and may be installed in a non-hazardous area or
in a hazardous area Zone 2 EPL Gc to supply power to intrinsically safe sensing heads. The Ex Power
Supply is to be ordered separately corresponding the mains voltage 100 to 127 VAC, 50/60 Hz as
115MI3ACIS or corresponding the mains voltage 200 to 240 VAC, 50/60 Hz as 230MI3ACIS.
The two variant of the Ex Power Supply follow the IECEx certification in accordance to:
Certificate: IECEx BVS 15.0057
115MI3ACIS*
230MI3ACIS*
Un = AC 115 V
Un = AC 230 V
Ex nA [ib Gb] IIB Gc T4
Ex nA [ib Gb] IIB Gc T4
[Ex ib Db] IIIC
[Ex ib Db] IIIC
For further information to relevant standards and the examination certificate, see IECEx Certificate of
Conformity for Power Supply, page 142.