Outdoor Distribution Cabinets HETR/ HELK

HETR series cabinets are designed for low-voltage switching and protection in power distribution networks, combining practical functionality in one robust solution. They are used to switch low-voltage lines, protect consumer supply lines, support electricity consumption metering and enable current limiting where required, helping keep distribution points safe and clearly managed. HELK series connection cabinets are built for the permanent connection point between the network operator and the consumer, providing a reliable interface for electricity metering, current limiting, circuit protection and switching. Pole-mounted HELK cabinets are intended for control metering and measurement within the power network, supporting accurate monitoring and dependable day-to-day operation.

Feel free to ask from our specialist:

Heigo Pikkor

Sales Manager | Compact substations and medium-voltage switchgear (Estonia)

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Rait Kangro

Head of Sales and Marketing

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HELK & HETR – Reliable Solutions for Metering and Grid Connections HELK and HETR cabinets are engineered for secure electricity metering, circuit protection, and as permanent connection points between the grid and the consumer. Manufactured from galvanized sheet metal with powder-coated surfaces, they offer exceptional durability and resistance to harsh environmental conditions. HELK cabinets feature UV-resistant coating and flexible installation options, including pole-mounted, wall-mounted, or ground-level bases, while HETR provides customizable enclosures with compartments for metering and optional wall brackets.

Both product lines are delivered as ready-to-install, certified solutions, ensuring compliance with international standards and reducing installation time. They are widely used by utility companies, industrial and commercial facilities, residential developments, and electrical wholesalers seeking standardized, reliable systems. Backed by short lead times, strong production capacity, and proven references from major utilities in Scandinavia and Estonia, HELK and HETR guarantee quality, flexibility and long-term performance for diverse grid connection needs.

Durable, Weather-Resistant Construction

HELK and HETR cabinets are manufactured from galvanised sheet metal with powder-coated surfaces, providing strong protection against corrosion, UV exposure and harsh environmental conditions. This robust construction supports long service life in both outdoor and indoor installations across power distribution networks.

Complete, Ready-to-Install Solutions

Delivered as fully integrated, certified systems, HELK and HETR help reduce installation time. Flexible configurations have options for pole-mounted, wall-mounted and ground-level setups. Customisable designs make it easier to match site conditions and project specifications.

Proven Reliability with Short Lead Times

With strong production capacity and in-house manufacturing of metal components, HELK and HETR offer standardised, compliant solutions with short delivery times. Proven references from major utilities in Scandinavia and Estonia support confidence in performance, making these cabinets a trusted choice for utilities, industrial facilities and electrical wholesalers.