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Gossen Inte kategoriserad U142C

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Technical Specifications
Safety and environmental conditions
CE marking
LV directive 2006/95/EC
RoHS directive 2011/65/EU
Standard
EN-IEC 61010-2-032:2012
WEEE directive 2012/19/EU
This product is designed to be safe under the following
conditions:
Location
Altitude
Ambient temperature
Storage temperature
Relative humidity
Pollution degree
Degree of protection
Indoor use
Up to 2000 m
- °C +55 °C 10 …
- °C +70 °C 20 …
5% ... 85%, non condensing
2
IP20
Specifications
Standard
Rated short-time thermal current
Rated dynamic current (Idyn)
Rated continuous thermal
current (Icth)
Rated insulation level
Rated frequency
Class of insulation
Material (housing)
IEC 61869-2:2012
(Ith): 60 x Ipr / 1s
2,5 x Ith
100%
0,72/3/-kV
50/60 Hz
E (120 °C)
PA 6.6, UL94: V2
The is only suitable for insulated primary conductors. SC
Specifications per type
SC30
SC40-B
SC40-C
SC50-E
Suitable for
cable (ø)
18 mm
18 mm
28 mm
42 mm
.. ./1A
Secondary
leads length
for 0,5 ²mm
3 m
3 m
3 m
5 m
Approximate
wei ght
200 g
360 g
310 g
525 g
.. ./5A
Secondary
leads length
for 1 ²,5 mm
/
0,5 m
0,5 m
3 m
Approximate
weight
/
300
250
650
GMC-I Messtechnik GmbH reserves the right to carry out
modifications on its products, in order to improve them, without prior
notice.
Safety instruction
All activities for installation, commissioning and maintenance
of this current transformer must be performed by qualified
personnel that have the knowledge of applicable safety
precautions. This guide assumes that the reader of this
document has sufficient electro-technical knowledge to
understand the content of this document.
General
The split-core is a current transformer (CT) and can only SC
be used for measuring electrical alternating currents. The SC
is suitable only for mounting on insulated primary conductors
in a weather protected and dry location.
Explanation of symbols
This product is designed according to the
EN-IEC 61010-2-032:2012 standards and therefore
this product meets the requirements of the Low
Voltage Directive 2006/95/EC.
Do not apply around or remove from UNINSULATED
HAZARDOUS LIVE conductors, which may render
electric shock, electric burn, or arc flash.
Read the installation guide before mounting the
product. Unprofessional work activities on electrical
installations may result in a threat of danger to the life
and health of human beings and livestock!
Under no circumstances the secondary circuit of the
CT may be opened when the CT is closed and
current is flowing in the primary circuit. High voltages
may appear on the secondary leads when this circuit
is left open.
RoHS Directive 2011/65/EU
GMC-I Messtechnik GmbH states that they only uses
qualified component in their products from
manufacturers, whose specifications meet or exceed
the requirements of the European Directive for the
Restriction of use of certain Hazardous Substances.
WEEE Directive 2012/19/EU
The 'crossed out wheeled bin' symbol indicates that
the equipment should not be disposed as unsorted
municipal waste. Contact a qualified recycler for
disposal.
Installation guide
SC30, SC40- -C, SC50-E B/
Split-Core Current Transformer
3- - - 349 781 03
1/2.14
Read this installation guide before installing the product
Subject to change without notice • A pdf version is available on the Internet
GMC-I Messtechnik GmbH
Südwestpark 15
90449 Nürnberg ● Germany
Phone+49 911 8602-111
F +49 911 8602-777 ax
E-Mail info@gossenmetrawatt.com
www.gossenmetrawatt.com
Always avoid working on live parts of an installation.
Mounting instruction
No special tools are required to install a Current Transformer
( ) of the CT SC series. To connect the CT to the meter
correctly, please consult the installation guide of the meter.
Assembly
Under no circumstances the secondary circuit of the CT may
be opened when the CT is closed and current is flowing in the
primary circuit. High voltages may appear on the secondary
leads when this circuit is left open.
1. Ensure a safe working area during assembly,
maintenance and inspection of the CT. If necessary,
disconnect the power of the primary circuit and make sure
it can not be enabled unintentionally.
2. Find the power direction of the cable you want to
measure. is recommended to mount P1 side to power It
source and P2 side to power consumer. If the CT is
installed like this, the arrow on the CT will indicate the
direction of the power flow.
3. Open the CT and mount on the cable by using cable it
ties. Attention Do not close the CT. Otherwise high :
voltages may appear on the open secondary leads!
Attention
Do not touch the core surfaces by hand: skin acid may
damage the core. Avoid dust on the core surfaces.
4. Connect the secondary leads (S1 S2) to the low ,
impedance current input of the measurement instrument
(e.g., an ammeter or current input of kWh-meter).
5. Close the CT only when you are sure that the secondary
leads are connected to the current input of the
measurement instrument. The CT is properly closed when
you hear a ‘click’.
6. Enable the primary circuit if necessary.
7. Check if the is mounted and closed properly. CT
Check if the secondary leads are connected properly and
firmly.
Wiring Diagram
…/1 A
Brown lead S1
Blue lead S2
…/5 A
Black lead S1
Red lead S2
Maintenance and inspection
Check whether the secondary leads are connected firmly.
Check whether the CT is closed properly.
Check whether the CT is mounted firmly.
Remove severe pollution on the casing. Contact with
moisture, especially with the core, must be avoided.
Attention
Do not touch the core surfaces by hand: skin acid may
damage the core.
Temporarily disconnecting the CT
The secondary leads of the CT always have to be connected
to a low impedance burden such as an ammeter. When
during maintenance, no burden is available to connect to, the
secondary leads of the CT (the two secondary terminals)
must be short-circuited.
Problem solving
e.g. unexpected values incorrectly values , reversed power, ,
Check the settings of the meter by using the installation
guide of the meter.
Check whether the CT is mounted on the intended cable in
the right direction.
Check if the CT is closed properly.
Check the value of the secondary burden (sec. leads length
/ diameter and meter impendent). See product/data sheet
for the max. burden value.
If previous points did not solve the problem:
Check carefully whether there is dust or other pollution
present between the two parts of the core.
In case of pollution, the core surfaces can be cleaned with a
lint free cloth and then protected with an extremely thin
layer of acid free petroleum jelly (Vaseline).
Attention
Always follow the disassembly instructions when reversing
the CT.
Disassembly instruction
Tools are only required for removing the cable ties of the CT.
1. Ensure a safe working area during disassembling the CT.
If necessary, disconnect the power of the primary circuit
and make sure it can not be enabled unintentionally.
2. Open the CT.
3. Disconnect the secondary leads from the measurement
instrument.
4. Remove the cable ties. Pay attention not damage the
insulation of the primary conductor when removing the
cable ties. Remove the CT.
5. Enable the primary circuit if necessary.
Recycling
When the product has reached ‘end of life’, it must be
recycled. Do not dispose this product as unsorted municipal
waste. Contact a qualified recycler for disposal.

Produktspecifikationer

Varumärke: Gossen
Kategori: Inte kategoriserad
Modell: U142C

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