Short-circuiting for LV cabinets, bays and distribution boxes provided with HRC fuses

.

SKU: Msp 1 - Sp/lp - B.../p sau Msp 1 - 3xSf/lf - Sp/lp - B.../p
Category:

Intended use: earthing and short-circuiting of low-voltage power conductors inside cabinets, bays, and distribution boxes with high rupturing capacity fuse sockets.

Application: manually, using a protective device for the handling of HRC fuses, by the insertion of strap-type phase clamps in the sockets where high rupturing capacity fuses have been extracted.

Constructive types: single-phase or three-phase.

Types of phase clamps – 3 size versions:

-Strap-type phase clamp, code B00 – for SIST sockets size 00

-Strap-type phase clamp, code B – for SIST sockets size 0, 1, 2, 3

-Strap-type phase clamp, code B1 – for sockets type PK 1 XL-1kV

Components:

The single-phase short-circuiting device includes the following components:

  • Strap-type phase clamp – 1 piece
  • Earthing cable – 1 piece
  • Manual earthing clamp – 1 piece

The three-phase short-circuiting device includes the following components:

  • Strap-type phase clamp – 3 pieces
  • Phase cable – 3 pieces
  • Earthing cable – 1 piece
  • Manual earthing clamp – 1 piece

 

Technical characteristics

Value

Nominal operating voltage Un (kV)

max. 1

Power factor (according to SR EN 61230)

2,5

Length of phase cables lf (m) – three-phase short-circuiting device

max. 1,2

Length of earthing cables lp (m) – three-phase short-circuiting device

max. 5,5

Length of earthing cables lp (m) – single-phase short-circuiting device

max. 6,7

 

Technical characteristics Short-circuiting devices for SIST socket size 00  (B00) Short-circuiting devices for SIST socket size 0,1, 2, 3 ( B) Short-circuiting devices for PK1 XL– 1kV (B1) sockets
Phase Sf and earthing Sp  cable cross-section (mm2) 16 16 25 35 16 25 35
Nominal short-circuit current for t = 1s Isc (kA) 4 3,5 6,25 8 4 6,25 8,75
Shock (peak) nominal current for t = 0,02 s Isd (kA) 10 8,75 15,63 20 10 15,63 21,9
Test short-circuit current for t = 1s (kA) 4,6 4 7,2 9,2 4,6 7,2 10,06
Test (peak) current for t = 0,02 s (kA) 11,5 10 17,97 23 11,5 17,97 25,16

Components:

The single-phase short-circuiting device includes the following components:

  • Strap-type phase clamp – 1 piece
  • Earthing cable – 1 piece
  • Manual earthing clamp – 1 piece

The three-phase short-circuiting device includes the following components:

  • Strap-type phase clamp – 3 pieces
  • Phase cable – 3 pieces
  • Earthing cable – 1 piece
  • Manual earthing clamp – 1 piece

Constructive types: single-phase or three-phase.

Types of phase clamps – 3 size versions:

-Strap-type phase clamp, code B00 – for SIST sockets size 00

-Strap-type phase clamp, code B – for SIST sockets size 0, 1, 2, 3

-Strap-type phase clamp, code B1 – for sockets type PK 1 XL-1kV