Polyphase short-circuiting device for LV overhead line with bare conductors – applied from the ground

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SKU: Msp - CAA - U - nxSf/lf - Sp/lp - O/p
Category:

Intended purpose: earthing and short-circuiting of bare conductors of LV overhead lines.

Application: from the ground, with a telescopic insulating stick of 9 m extended length, PTU-AS—c type, in the following sequence of operations:

  1.  By means of the earthing subassembly, one conductor of the line is earthed
  2.  By means of the short-circuiting subassemblies, the phase and null conductors are short-circuited, starting with the conducted earthed in the previous operation.

Application: by the hanging of the automatic self-locking clamp (CAA) on the conductor, followed by the pulling down the clamp.

Components :

The short-circuiting subassembly for 3 conductors is provided with:

  • Automatic self-locking clamp (CAA) – 3 pieces
  • Short-circuiting cable – 2 pieces

The short-circuiting subassembly for 2 conductors is provided with:

  • Automatic self-locking clamp (CAA) – 2 pieces
  • Short-circuiting cable – 1 piece
  • The earthing subassembly is provided with:
  • Automatic self-locking clamp (CAA) – 1 piece
  • Earthing cable – 1 piece
  • Manual earthing clamp – 1 piece
  • Clamp applicator (PAS/C) – 1 piece
  • Removal fork (CDAU/C) – 1 piece
  • Mobile earthing electrode (peg) – 1 piece

Packing: waterproof bag.

Technical characteristics

Value

Phase Sf and earthing Sp cable cross-section(mm2)

16

25

35

Nominal short-circuit current for t = 1 s Isc (kA)

4

6,25

8

Shock (peak) nominal current for t = 0,02 s Isd (kA)

10

15,63

20

Test short-circuit current for t = 1 s (kA)

4,6

7,2

9,2

Shock (peak) nominal current for t = 0,02 s (kA)

11,5

17,97

23

Power factor (according to SR EN 61230)

2,5

Phase cable lf length  (m)

max. 4

Earthing cable lp  (m)

max. 17,5

Conductor diameter where the phase clamp can be applied (mm)

5 – 32

 

Components :

The short-circuiting subassembly for 3 conductors is provided with:

  • Automatic self-locking clamp (CAA) – 3 pieces
  • Short-circuiting cable – 2 pieces

The short-circuiting subassembly for 2 conductors is provided with:

  • Automatic self-locking clamp (CAA) – 2 pieces
  • Short-circuiting cable – 1 piece
  • The earthing subassembly is provided with:
  • Automatic self-locking clamp (CAA) – 1 piece
  • Earthing cable – 1 piece
  • Manual earthing clamp – 1 piece
  • Clamp applicator (PAS/C) – 1 piece
  • Removal fork (CDAU/C) – 1 piece
  • Mobile earthing electrode (peg) – 1 piece

Configurations available depending on the number of overhead line conductors:

Number of OHL conductors Subassembly for 3 LV OHL conductors Subassembly for 2 LV OHL conductors Subassembly for earthing
4 1 1 1
5 2 0 1
6 2 1 1
7 3 0 1