Skip to content
  • EX Icon
  • Downloads
  • News
R. STAHL TranbergR. STAHL Tranberg
  • Solutions
    • Energy
      • Junction & Terminal Boxes
      • Cable Glands, Stopping Plugs & Adaptors
      • Enclosure Heaters
      • Heat Tracing Solutions
      • Thermostat
      • Tranberg Instrument and Telecom Enclosures
      • Exe Fiber Splicebox 1061
    • Marine
      • Navigation Lights Systems
      • Searchlights
      • Floodlights
      • Technical Lighting
      • Winterization Systems
    • Aviation
      • Circle & H
      • Control Systems
      • Floodlights
      • Obstruction Lights
      • Perimeter Lights
      • Status Lights
      • Windsock
    • Downloads
  • Project Management
  • About
    • Our Factory
    • Vacancies
    • For the Press
  • Contact
    • Distribution
Home / Energy / High Voltage
Sealed electrical outdoor junction box with internal heat sink and waterproof door for industrial wiring.

A-Block Solution

High Voltage A-block solution delivers safe and reliable power distribution from 7.0 to 11 kV in compact, stainless-steel enclosures. Certified for hazardous areas and customizable for project-specific needs, it ensures robust performance in the most demanding energy applications.

Category: High Voltage
  • Aviation
    • Circle & H
    • Control System
      • TEF 4600
    • Floodlights for Helidecks
    • Obstruction Lights
    • Perimeter Lights
    • Status Light
    • Windsock
  • Energy
    • Cable Cleats
    • Cable Glands, Stopping Plugs & Adaptors
      • Accessories
        • Earth Tag
        • Insert Stopping Plug
      • Adapters & Reducers
      • Breather / Drain Plug
      • Cable Glands
        • D620 – AISI316
        • D620 – Brass
        • E204/622 – AISI316
        • E204/622 – Brass
      • Lock Nuts
      • Stopping Plugs
        • TEF 794 – Brass
    • Enclosure Heaters
      • TEF 9209
    • Heat Tracing Solutions
      • Accessories
      • Raychem Heat Tracing Cables
    • High Voltage
    • Instrument & Telecom Enclosures
    • Junction & Terminal Boxes
      • TRANBERG® Junction Box TEF 1058
    • Standard STAHL 8150 Ex e Enclosures
    • TEF 1061 Exe Fiber Splicebox
    • Thermostat
      • Capillary Tube
    • TTC2 Smart Thermostat
  • Marine
    • Control Panels
      • Commander Utility Operator Panel
      • Navigation Lights Control Panels
      • Searchlight Control Panels
    • Floodlights
      • TEF 2581
    • Navigation Lights Systems
      • Navigation Lights
        • TEF 2880 Duplex
        • TEF 2880 Simplex
    • Searchlights
      • Accesories – Searchlights
      • TEF 2620
      • TEF 2630
      • TEF 2650
    • Technical Lighting
      • Control Panel
      • LED Luminaire
      • Linear Lighting
  • Ship Horns
  • Description
  • Specifications

The High Voltage A-block solution is a flexible, certified enclosure system designed for demanding energy applications in Zone 1, Zone 2, and safe areas. Built in acid-resistant stainless steel (AISI 316L), the system combines safety, durability, and adaptability for custom high-voltage distribution needs.

  • Voltage range: 7.0 – 11 kV (customizable on request)

  • Current rating: up to 100 A

  • Compact stainless-steel enclosures (IP66 ingress protection)

  • IECEx / ATEX approved (Ex eb IIC T4, T5, T6)

  • Suitable for both AC and DC applications

  • Flexible sizing to meet project-specific requirements

  • Integrated copper earthing bar and safety cover (IP2X)

  • Wide ambient operating range: -20°C to +40°C (silicone gasket: -50°C to +60°C)

Applications
The A-block solution is engineered for safe and reliable high-voltage junctions in offshore platforms, renewable energy installations, and other harsh environments where compact design, certified safety, and customisation are critical.

Related products

Placeholder

High Voltage

G-Solution

Placeholder

High Voltage

Busbar Solution

R. STAHL TRANBERG AS

Get in touch

Strandsvingen 6
N-4032 Stavanger, Norway

info.no-st@r-stahl.com
Tel: +47 51 57 89 00

 

Representatives
Distribution

Privacy Policy
Cookie Policy

The Transparency Act (Norwegian)

Copyright 2026 R. STAHL TRANBERG AS
  • Solutions
    • Energy
      • Junction & Terminal Boxes
      • Cable Glands, Stopping Plugs & Adaptors
      • Enclosure Heaters
      • Heat Tracing Solutions
      • Thermostat
      • Tranberg Instrument and Telecom Enclosures
      • Exe Fiber Splicebox 1061
    • Marine
      • Navigation Lights Systems
      • Searchlights
      • Floodlights
      • Technical Lighting
      • Winterization Systems
    • Aviation
      • Circle & H
      • Control Systems
      • Floodlights
      • Obstruction Lights
      • Perimeter Lights
      • Status Lights
      • Windsock
    • Downloads
  • Project Management
  • About
    • Our Factory
    • Vacancies
    • For the Press
  • Contact
    • Distribution
  • English
  • Norsk bokmål (Norwegian Bokmål)