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Operating instructions

 

| EN | 1HC0076149 AC

3.3.2 

Application guidelines

The following guidelines apply for the use of POLIM®-C surge arresters:

 

ƒ

„Application guidelines - Overvoltage protection“  
Dimensioning, testing and application of metal-oxide surge arrresters in medium voltage systems, 
pamphlet 1HC0075561

 

ƒ

„Application guidelines - Overvoltage pRotection“ 
Dimensioning, testing and application of metal-oxide surge arrresters in railway facilities, pamphlet 
1HC0075573

3.3.3 

Recommended torques and screw-in depths

The specified values in the table below apply for steel bolts of strength class 8.8 in aluminum nut 
threads.

Thread

Position

Maximum  
torque  
[Nm]

Minimum  
screw-in depth 
[mm]

Maximum  
screw-in depth 
[mm]

M12

Head end terminal 42

18

22

M12

Foot end terminal

42

18

22

3.3.4 

Behaviour in fire

The silicone housing of the surge arrester is self-extinguishing.

Transportation, unpacking and storage

4.1 

Transportation

CAUTION!

Surge arresters not secured during transportation.

Damage to surge arresters that have fallen during transport.

 

X

Secure surge arresters against sliding or falling before transportation.

 

X

Observe safety precautions printed on the packaging for proper handling during transportation 
and storage.

4.2 

Unpacking

The surge arresters provided are packaged in stable cardboard boxes or wooden crates. 

The routine test report for the final electrical inspection is included in the packaging material.

 

X

After receiving the shipment, compare the order and delivery documents immediately to check for 
completeness and accuracy of the shipment. In case of incompleteness or deviations, inform the 
supplier and shipper immediately.

WARNING!

Damaged surge arresters.

Material damage and personal injury due to the installation and commissioning of damaged surge 
arresters.

 

X

Do 

not

 use damaged surge arresters.

 

X

Examine shipment immediately to check for damage.

 

X

Notify the insurance company, the shipper and the supplier of the damage immediately and create 
a damage log.

Summary of Contents for POLIM-C

Page 1: ...Operating instructions Surge arrester Typ POLIM C ...

Page 2: ...nes 6 3 3 3 Recommended torques and screw in depths 6 3 3 4 Behaviour in fire 6 4 Transportation unpacking and storage 6 4 1 Transportation 6 4 2 Unpacking 6 4 3 Storage 7 5 Commissioning 7 5 1 Safety 7 5 2 Electrical check before commissioning 7 5 3 Installation location and protective distance 7 5 4 Mounting 8 5 4 1 System voltage 8 5 4 2 Installation position 8 5 4 3 Minimum distances between s...

Page 3: ...the danger of injury and material damage Follow all measures marked with the safety sign to avoid injuries death and damage to materials This safety sign warns you of the danger of death or serious injury from electric shocks Follow all measures marked with the safety sign to avoid injuries and death X This mark indicates that an action is to be performed Warnings in these operating instructions i...

Page 4: ... Only personnel who have read and understood the operating instructions especially the Basic safety precautions section may be allowed to carry out activities with the POLIM C X Check to ensure that work is being performed in a safety conscious way with awareness of possi ble dangers and while observing the operating instructions 3 Description 3 1 Intended use The POLIM C is a surge arrester inten...

Page 5: ...C0075874 surge arrester POLIM C LB for applications in a c systems in the pamphlet PTHA 3272 surge arrester POLIM C ND for applications in d c systems in the pamphlet 1HC0075875 surge arrester POLIM C HD for applications in d c systems in the pamphlet 1HC0093986 dimensional drawings of POLIM C 3 3 1 Technical data on the surge arrester The rating plate molded in silicone on labels or engraved cont...

Page 6: ... storage 4 1 Transportation CAUTION Surge arresters not secured during transportation Damage to surge arresters that have fallen during transport X Secure surge arresters against sliding or falling before transportation X Observe safety precautions printed on the packaging for proper handling during transportation and storage 4 2 Unpacking The surge arresters provided are packaged in stable cardbo...

Page 7: ...rical check before commissioning Each surge arrester is tested by the manufacturer The routine test report is included with the pack aging Additional electrical testing before commissioning is not necessary 5 3 Installation location and protective distance DANGER Danger of fire and injury via arc with overloading of the surge arrester Ignition of flammable materials by an arc and flying burning pa...

Page 8: ...m permissible continuous operating voltage of the surge arrester 5 4 2 Installation position CAUTION Deposits on the undersides of sheds Conductivity of deposits hinders protective function of the POLIM C X Always mount surge arresters in such a way that the sheds point downward 5 4 3 Minimum distances between surge arresters and earth The minimum permissible distances between the surge arresters ...

Page 9: ...ct the terminal of the surge arrester with earth X Connect the high voltage connection with the other terminal of the surge arrester Use a stranded cable X Observe recommended torques Clause 3 3 3 X When tightening the bolt the torque shall be countered by a spanner at the top end terminal X Carefully clean contact surfaces before mounting and lubricate with acid free contact grease X Ensure selec...

Page 10: ... not hinder the functioning of the surge arrester Heavy bites do reduce the insulation capacity of the sili cone housing however CAUTION Damage to the surge arrester Damaged surge arresters no longer protect the switchgear X Check the surge arresters visually on a regular basis to ensure that they are in sound condition X Replace damaged surge arresters X Keep a small percentage of installed surge...

Page 11: ...varistors are sintered ceramics consisting of about 90 of ZnO The following addi tions are also contained within percent by weight between 1 and 4 Bi2 O3 and Sb2 O3 which are considered to be dangerous substances according to EU ordinances percent by weight between 0 1 and 1 NiO and Cr2 O3 which are considered poisonous and dan gerous materials pursuant to EU guideline 91 689 EEC Metal oxide varis...

Page 12: ...without prior notice With regard to purchase orders the agreed particulars shall prevail ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this document We reserve all rights in this document and in the subject matter and illustrations contained therein Any reproduction disclosure to third parties or utilization of its contents in whole or in...

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