Embedded 500×500 Enclosure for Terminal Blocks N0ST0156

Fiberglass enclosure for flush mounting, designed to house branching and isolating terminal blocks in accordance with Enel requirements. It ensures protection, mechanical strength, and ease of access in LV distribution networks.

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Embedded 500×500 Enclosure for Terminal Blocks N0ST0156

Variants

The N0ST0156 product has no dimensional or functional variants: it is available only in the 500×500 flush-mounted configuration, in compliance with Enel specifications for LV branching terminal blocks.
Parameter Value Unit
Product code N0ST0156
Materiale SMC (fiberglass), grey RAL 7001
External dimensions (mm) 560 × 560 × 180
Internal dimensions (mm) 480 × 480 × 165
Degree of protection IP34D according to CEI EN 60529
Impact resistance 20 J according to CEI EN 61439-5
PTI 500 (IEC 60112)
Fire resistance >80 points according to Enel DS 4974
Applicable standards CEI EN 61439-5 (/A1), Enel DS4931, Enel DS4523
Locking system Three-point locking system type Enel DS4541/2
Predispositions Flush wall installation, removable bottom plate with pre-scored knock-out holes
Door Ribbed, snap-in, removable in open position
Installation Flush-mounted outdoor enclosure suitable for Enel terminal blocks 4533 and 2872D Toscana
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Technical Specifications – Embedded 500×500 Enclosure for Terminal Blocks N0ST0156

Structure and materials

  • SMC (fiberglass) body, grey RAL 7001.
  • Impact-resistant structure (20 J according to CEI EN 61439-5).
  • Ribbed snap-in door, removable for easy access.
  • Three-point locking system type Enel DS4541/2, operable with triangular key.
  • Ventilation via labyrinth system between the door and the perimeter walls.

Functionality

  • Suitable for Enel type 4533 national branching and isolating terminal blocks and Toscana table 2872D.
  • Flush mounting installation using supplied brackets.
  • Removable bottom plate with pre-scored knock-out holes for cable entry.
  • Door easily removable during maintenance operations.

Compliance

  • CEI EN 61439-5 (/A1).
  • Enel DS4931 and DS4523 (matr. 286032).
  • Fire resistance according to DS4974 >80 points.
  • PTI 500 according to IEC 60112.
  • Degree of protection IP34D according to CEI EN 60529.

ENEL references

DS 4523, DS 4541, DS 4931, DS 4974.

Useful resources

Versatile Applications

  • LV distribution networks.

  • Branching and isolating points for metering units.

  • Enel installations in civil and industrial infrastructures.

  • Housing of terminal blocks in residential or tertiary environments.

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