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KBR 18, Operating Instructions And Assembly Manual, Page: 2 / 12

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KBR 18 Operating Instructions And Assembly Manual Download Page 2

23644_EDEBD

A0258-2918-1_EN

2

Low voltage current transformers, multict KBR

Dear customer

Thank you for choosing a KBR product.

To familiarize yourself with the operation and confi guration of the device, we recommend 
that you read this manual carefully. This way, you will be able to use the entire range of 
functions that this high-quality product has to off er.

The individual chapters explain the technical details of the device and show how to 
properly install and start it up to prevent damage.

This user manual is included in the scope of delivery of the device and must be accessible 
to the user at all times (e.g. in the switchgear cabinet). Even if the device is resold to third 
parties, the manual remains an inherent part of the device.

Although the utmost care has been taken in putting together this user manual, errors 
may still occur. We would be very grateful if you could notify us of any errors or unclear 
descriptions you may notice. The form included in the appendix to this manual can be 
used to send us corrections or suggested improvements.

Yours sincerely,

KBR GmbH Schwabach

1. Safety 

notes 

.................................................3

2. Function 

Description 

...............................4

3. Warnings 

......................................................5

4. Installation 

...................................................6

4.1.  Measuring current inputs .......................6

4.1. Installation instructions ..........................7

5. 

Maintenance and inspection ................7

6. Error 

Recovery 

............................................8

7.  

Technical 

data 

(for exact data, see rating plate) ..........8

7.1.  Technical data (general) ..........................8

7.2. Technical data type-related ................. 10

8. Product 

information 

.............................. 11

Contents

Summary of Contents for 18

Page 1: ...23644_EDEBDA0258 2918 1_EN Operating instructions assembly manual Your partner for network analysis Low voltage current transformers foldable cable type current transformer multict KBR System I English ...

Page 2: ... e g in the switchgear cabinet Even if the device is resold to third parties the manual remains an inherent part of the device Although the utmost care has been taken in putting together this user manual errors may still occur We would be very grateful if you could notify us of any errors or unclear descriptions you may notice The form included in the appendix to this manual can be used to send us...

Page 3: ... devices described are designed to be installed by qualified electricians and may be installed in electrical operating rooms or enclosed housings only Any other use or failure to comply with these instructions for use will void the warranty guarantee The devices may be fitted in dry indoor areas only Do not mount on or against highly flammable materials Operating the device at a nominal current ab...

Page 4: ...perated in accordance with its intended use Disposal Devices that are faulty obsolete or no longer used must be properly disposed of If required we will dispose of the devices for you 2 Function Description Current transformers in the KBR series are inductive according to the transformer principle of working single ended current transformers They are used to adapt the primary mea sured value to th...

Page 5: ...spond to the system operating parameters Switch off the system before starting installation work CAUTION In a non loaded open secondary circuit of the current transformer high voltages are induced at the secondary terminals The occurrent voltages are a hazard to persons and risk affecting the reliability of the current transformer An open operation i e operating the current transformer without sec...

Page 6: ...on of energy flow Caution Do not close the current transformer yet as high voltages can occur at the secondary terminals Caution Ensure the cut surfaces of the split core are clean Avoid hand contact sweat Connect the secondary cables in the current transformer to the measuring device am meter or meter etc Observe the operating instructions for the measuring device Check whether the current transf...

Page 7: ... and inspection Check whether the secondary cables are firmly connected to the measuring device Check whether the current transformer is closed properly Remove coarse dirt from the current transformer housing Contact with moisture especially with the core must be avoided under all circumstances Using the fixing clips Sealing option with types KBR 18S KBR 18L KBR 28 KBR 42 and KBR 42L With types KB...

Page 8: ...late Should the aforementioned points not solve the problem Check for dust or other contamination between both parts of the core If so gently clean the surfaces with a lint free cloth Avoid hand contact sweat 7 Technical data for exact data see rating plate 7 1 Technical data general Input Primary rated current Ipr see table in 7 2 Thermal rated uninterrupted current Icth 1 2 x Ipr KBR 18 32 44 1 ...

Page 9: ...rogeneous electrical field 0 72 3 kV Insulation class E Safety Protection type IP20 Housing material KBR 18S KBR 18L KBR 28 KBR 42 KBR 42L PA66 PA6 UL housing classification of the following types PA66 PA6 UL94 V0 Housing material KBR 18 KBR 32 KBR 44 PA6 UL housing classification of the following types none Connection Conductor feed through primary conductor see table in 7 2 Secondary cables see ...

Page 10: ... 1 or 5 1 or 5 1 or 5 Suitable for cable diam eter max mm 18 5 18 5 18 4 27 9 32 5 42 4 42 4 44 0 Transformer bridge mm 36 0 41 6 49 0 49 0 59 2 67 0 67 0 72 2 Transformer height mm 51 1 64 5 68 8 68 2 96 4 96 0 139 0 120 6 Secondary cables 1A 1 2 5 m 0 5 mm 2 5 m 0 75 mm 2 5 m 0 5 mm 2 5 m 0 5 mm 2 5 m 0 75 mm 2 5 m 0 5 mm 2 5 m 0 5 mm 2 5 m 0 75 mm Secondary cables 5A 1 0 5 m 1 5 mm 0 5 m 1 5 mm...

Page 11: ...nsformers with a closed core In addition to environmental conditions such as temperature and humidity as well as mechanical stress other factors such as soiling corrosion and damage to the cut surfaces can affect the accuracy of the transducer KBR GmbH has no influence on these factors Any measuring accuracy deviations caused by these influences especially in the long term measuring behavior canno...

Page 12: ...23644_EDEBDA0258 2918 1_EN Am Kiefernschlag 7 D 91126 Schwabach T 49 0 9122 6373 0 F 49 0 9122 6373 83 E info kbr de www kbr de KBR Kompensationsanlagenbau GmbH ...

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