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Product description
Ex p Control unit
APEX
mv
Page 20 of 80
01-37A2-7D0005_MV_Manual_Exp-Control-Unit_2021005_0_en.docx
Rev. 0
Ex p control unit APEX
mv
, type 07-37A2-3211/*730
The APEX
mv
control unit with its system components is an
automatically operating control unit for monitoring,
controlling and regulating pressurized enclosures in the
hazardous area of Zone 1. The enclosure of type 07-37A2-
3211/*730 is made of polyester.
The protected internals inside the pressurized enclosure can be enabled by the
APEX
mv
control unit up to 5 A, single-phase directly or indirectly by additional
switchgear.
The advantage of the Ex p control unit APEX
mv
is that all required Ex p
components are integrated in one control unit and it is possible to connect Ex p
volumes of up to 75 liters to be protected diectly.
The APEX
mv
control unit regulates the purging gas flow, internal housing pressure
and automatic compensation of leakage losses by means of the integrated
proportional purging gas valve.
Structure of APEX
mv
control unit, type 07-37A2-3211/*730
Position
Description
Purge gas supply
Supply line purge air to the protected volume
Return of purge air from the protected volume
Cable entry
Ex p Functional Unit APEX
Ex p pressure measuring PCB
Ex p pressure outlet
Proportional purge gas valve
Pre fuse purge gas valve