Page 1
— P R O D U C T S FO R H I G H VO LTAG E A P P L I C AT I O N AT Current Instrument Transformer Instruction for Installation, use and maintenance...
Page 2
Routine test report 5. Maintenance instructions before installation 6. Transport & Storage 7. Disposal 8. Handling 9. Normative references 10. Dimensions 11. Lifetime 12. Service Appendix 1. Examples of outlets Appendix 2. Dimensional drawings AT35 and AT41 Dimensional drawings AT38...
The instructions refer to current instrument transformers of the following types: AT41 – up to 10 000 A; up to 1.2/6/- kV 40 kA(1s) and 100 kA AT35 – up to 5 000 A; up to 1.2/6/- kV 100 kA(1s) and 120 kA AT38 –...
Page 4
AT38 (M16) 30 Nm 03 AT38 mounting Connect always one terminal of each sec- points AT41 (M16) 50 Nm ondary winding of the transformer to the earth. When the secondary of trans- former is interconnected, there should The producer has not any liability for incorrect be only one grounded point to prevent mounted form or possible consequences of it.
— 7. Disposal The use of current transformer for other purpose 04 Manipulation with the hanging strips then described above is forbidden if not agreed with the producer. Materials used in instrument transformers are Routine test report considered as materials without environmental The routine test report of a current instrument impact and materials are not toxic.
Page 6
AT C U R R E N T I N S T R U M E N T T R A N S F O R M E R I N S T R U C T I O N S F O R I N S TA L L AT I O N , U S E A N D M A I N T E N A N C E ternational or national standards, the customer requirements, based on an agreement between the customer and the manufacturer.
I N S T R U C T I O N S F O R I N S TA L L AT I O N , U S E A N D M A I N T E N A N C E Appendix 2 Dimensional Drawings — AT35 and AT41 VALUE SIGN Variant C NOTE: Variant C with optional testing primary (see catalogue) and optional length of secondary outlets depending on customer request.
Page 9
— AT38 SIGN VALUE Testing primary Secondary electrodes Secondary outlets NOTE: The Length of an outlets (testing primary, secondary outlets, screening electrodes) is optional and depends on customer request. The fixing parts are a part of a delivery, mounting parts can be ordered separately as an attachment.
Page 10
- is forbidden without Tel.: +420 547 152 021 prevail. ABB does not accept any responsibil- prior written consent of ABB. +420 547 152 854 ity whatsoever for potential errors or possi-...