BENNING MA 4 measuring adapter
1
1. Application
The measuring adapter helps you to test portable devices. Due
to its robust design, it is particularly suited for being used in in-
dustrial environments. The measuring adapter is easy to use and
thus allows the user to work efficiently and quickly.
You can test devices and extension cables being provided with
the following connectors complying with
IEC 60309-1
.
CEE connector:
16 A, 50 Hz to 60 Hz, 230 V,
L+N+PE, 6h
16 A, 50 Hz to 60 Hz, 380 V to 415 V, 3L+N+PE, 6h
32 A, 50 Hz to 60 Hz, 380 V to 415 V, 3L+N+PE, 6h
To do this, connect the measuring adapter to an appliance
tester for testing portable devices according to
DIN VDE 0701-0702, DIN EN 62353 (VDE 0751-1)
or
DIN EN 60974-4 (VDE 0544-4)
.
For connection of the measuring adapter, the appliance tester
must be equipped with a shock-proof socket.
Depending on the type of test, a CEE 16 A or 32 A socket may
also have to be available. For the CEE 16 A, an optional adapter
cable (part no. 044163) is required.
The measuring adapter is suited to be connected to the fol-
lowing appliance testers:
BENNING ST 725
BENNING ST 750 / ST 750 A / ST 755 / ST 760
Devices of other manufacturers
The measuring adapter can be used for the following tests:
Protective conductor resistance (R
PE
)
Insulating resistance (R
Insu
)
Functional test and phase sequence test of cables
Alternative leakage current:
e. g. protective conductor current (I
PE
), contact current
(I
Cont
),
device leakage current (I
Leak
), patient leakage current
(I
PLeak
)
Differential current measuring method
I
PE
Leakage current
Direct measurement
Contact current
Patient leakage current
Functional test
Ua
Welding equipment (ST 760)
PRCD
The manufacturers’ specifications and normative re-
strictions with regard to alternative leakage current
testing and appliance tests must be adhered to.
To do this, thoroughly read the notes stated in the cor-
responding standard, in the manufacturers’ specifica-
tions of the test sample and in the operating manual of
the appliance tester.
1.1. General functional description
The MA 4 measures the fault current from the test sample using
the differential current measuring method. This current is applied
on the N and PE line of the tester, so that this fault current can
be measured by testers using the differential current measuring
method or the direct measuring method with 1
kΩ in the PE of
the tester. Deviating measuring resistances in the PE can lead to
an incorrect current applied.
2. Safety notes and precautions
2.1. Basic information about safety
The measuring adapter has been designed and tested in compli-
ance
with
the
safety
requirements
according
to
IEC/ EN 61010-1/ VDE 0411-1
.
All electrically conductive parts of the housing are connected to
the protective conductor system (according to
IEC 61140
,
pro-
tection class I
).
The measuring adapter must be used only for testing in environ-
ments
of
measuring
category
CAT II
according
to
IEC/ EN 61010-1
.
Make sure not to connect and test more than one test sample or
one extension cable at a time.
The measuring adapter must be operated under supervision
only.
In case of proper use according to the specifications, the safety
of both the user and the device is ensured.
Read this operating manual and the operating manual of the ap-
pliance tester carefully and thoroughly before using the product.
Please observe all instructions of the relevant operating manu-
als.
The measuring adapter must not be used:
with the housing being open,
in case of visible external damage,
in case of damage of the CEE connectors, CEE sockets,
connecting line or connector,
in case of strong excessive strain or if the load limits
stated in the technical data have been exceeded,
if the device has been stored under unfavourable condi-
tions for a longer period of time (high exposure to dust,
moisture or excessive temperatures).
Non-observance might involve damaging or destruction of the
measuring adapter and/or the connected test sample!
2.2. Symbols used
Attention! Danger! Please observe documentation!
Warning of dangerous voltage!
Note to be observed imperatively
CAT II
Device of measuring category II (max. 300 V)
Ground (voltage against ground)
This symbol on the measuring adapter means that
the measuring adapter complies with the relevant
EU directives.
The device must not be disposed of via the domes-
tic waste. Further information regarding the WEEE
mark can be accessed on the Internet by entering
the search term “WEEE”.
Instructions
