CT Meter Box

CT Meter Box

Outdoor remote metering enclosure with galvanized steel enclosure, designed in accordance with SEC Specification 42-SDMS-01A Rev. 2.3. Outdoor, wall-mounted energy-metering enclosure for Saudi Electricity Company (SEC) low-voltage distribution networks

Product Family: TENAS Meter Box
Model / Variant: Single Meter Box – Double Meter Box – Remote Meter box – CT Metering

Features

  • Steel enclosure and main door in galvanized steel (G90), 1.5 mm nominal thickness, flush-mounted type, IP54 weatherproof rating.
  • Paint finish: super-durable, UV-resistant coating rated to corrosivity category C5 per ISO 12944.
  • Double-layer main door: 10 mm thermal insulation core with a 1 mm aluminum plate cover.
  • Terminal blocks and internal wiring rated up to 1000 V.
  • Manufactured to SEC Specification 42-SDMS-01, Rev. 2.3.
  • Clean aesthetic profile suited to public/street-front installation, with door interlocking for operator safety.
  • Type tested as per IEC standarad.
  • Fire-resistant internal wiring — withstands a 750°C flame exposure for 90 minutes, providing an added margin of fault-tolerance beyond standard LV wiring insulation.
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Description

Outdoor remote metering enclosure with galvanized steel enclosure, designed in accordance with SEC Specification 42-SDMS-01A Rev. 2.3.

Technical Specifications

Parameter200/250A CT Meter box300/400A CT Meter box500/600A CT Meter box
SEC Item908421036908421033908421034
Overall Dimensions (W × H × D), mm592 x 1053 x 254692 x 1053 x 254692 x 1053 x 254
Net Weight, kg607070
Enclosure MaterialGalvanized Steel, G90 coatingGalvanized Steel, G90 coatingGalvanized Steel, G90 coating
Rated Operational Voltage (Ue), V AC400V400V400V
Rated Frequency, Hz60 Hz60 Hz60 Hz
Rated Insulation Voltage of internal wiring/terminals, V1000 V1000 V1000 V
Ingress Protection RatingIP54IP54IP54
No.Type of Meter1 x CT Meter1 x CT Meter1 x CT Meter
Meter Circuit-Breaker RatingRated up to 250 ARated up to 400 ARated up to 600 A
Meter box Continues Current Rating200 A400 A600 A

STANDARDS & COMPLIANCE

  • IEC 61439-5 — Low-voltage switchgear and control gear assemblies, Part 5: Assemblies for public electricity network distribution (PENDA).
  • SEC Specification 42-SDMS-01, Rev. 2.3 — Saudi Electricity Company particular specification for LV meter box construction.
  • SEC Specification 01-SDMS-01 — SEC outdoor-installation / environmental requirement referenced for the enclosure’s IP54 rating.
  • ISO 12944 — Corrosion protection of steel structures by protective paint systems (corrosivity category C5).

STANDARDS & COMPLIANCE

Parameter / ItemSpecification / Details
StandardSEC Specification 42-SDMS-01A Rev. 2.3 — Meterbox with Steel Enclosures.
StandardIEC 61439-5 — reference standard stated in the SEC technical data schedule.
StandardIEC 60947-7-1 — applicable type-test standard for terminal blocks.
StandardIEC 60228 and related standards — applicable to the specified internal/fire-resistant wiring.
StandardISO 12944-6 — laboratory performance testing of the corrosion-protection paint system.

 

OPERATING CONDITIONS

Parameter / ItemSpecification / Details
InstallationOutdoor operation
Solar ExposureSuitable for direct solar radiation; exposed surface temperature is regarded as 75°C plus internal heating effects.
Ingress ProtectionIP54
MountingSemi-flush and direct wall-mounting
VentilationNatural air circulation through side/removable-bottom louvers with stainless-steel screening.

 

INSTALLATION & MAINTENANCE

Parameter / ItemSpecification / Details
RequirementProvide the specified stainless-steel wall-mounting brackets and fasteners.
RequirementThe remote meterbox has three M8 threaded blind nodes for mounting-bracket fixation.
RequirementMain current-carrying conductors are not part of the remote meterbox; they are located in the Service Cabinet.
RequirementInternal wiring shall be organized and supported; conductor color coding follows the SEC schedule.

 

 

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