KROHNE OPTIFLUX 4040 C Ex EN - Manual (Page 8)

1
INTRODUCTION
8
OPTIFLUX 4040 C
www.krohne.com 09/2010 - 7312232100 - AD EX OPTIFLUX 4040 C R01 en
Version B: terminal compartment "EEx de" with U Version B: terminal compartment "EEx de" with U Version B: terminal compartment "EEx de" with U Version B: terminal compartment "EEx de" with U
m m m m
= 250 V
The connections of the output circuits can be configured by the customer in one of the folllowing
types of explosion protection:
• EEx e: increased safety
• EEx d: flameproof enclosure (note warning below)
Cable or conduit entries Cable or conduit entries Cable or conduit entries Cable or conduit entries
1.5 Nameplates
WARNING!
The used cable entries (glands and/or blind plugs) must be ATEX certified. The OPTIFLUX 4040
C-EEx is delivered with an EEx e cable gland and EEx e blind stop. The cable gland and blind stop
are suitable for connections in EEx e and EEx ib, but not for EEx d.
When connection is planned in EEx d, special EEx d certified conduits, glands or blind stops must
be used. ATEX approved EEx d cable glands, screw threaded adapters as well as blind plugs are
no integral part of the delivery and must be purchased by the customer or can be ordered as
special part. Note that for a correct choice of the EEx d cable gland the precise cable type and
cable dimensions (e.g. outside diameter) must be given.
Figure 1-1: Example of a nameplate
1 Name and address of the manufacturer.
2 CE sign with number (s) of notified body / bodies.
3 Specific sign for explosions, protection, Ex codes and number of EC type exmination certificate.
4 Explosion safety notes.
5 Data for EEx ib connection.
6 Data for EEx e or EEx d connection.