Waterproof Switch Disconnectors for Outdoor Control Cabinets at the Bernberg Maintenance Station

April 29, 2026

Project Snapshot

• Project Name: Bernberg Motorway Maintenance Station Building Automation
• Project Location: Bernberg, Saxony-Anhalt, Germany
• Project Year: 2026
• Procuring Entity: Amt für Immobilien- und Baumanagement Magdeburg (AIB)
• Application: Outdoor Distribution Boxes and BACnet Control Cabinets
• Core Product Supplied: KRIPAL UKP Series Industrial Waterproof Switch Disconnector

Project Background: Upgrading Highway Infrastructure

In 2026, the Amt für Immobilien- und Baumanagement Magdeburg (AIB) initiated a comprehensive building automation retrofit for the Bernberg motorway maintenance station in Saxony-Anhalt.

The primary objective of this public infrastructure project was to integrate six distinct buildings into a unified BACnet control system. This integration allows facility managers to achieve centralized control over HVAC systems, outdoor lighting networks, and overall energy consumption.

While the project scale is relatively modest, it presents a unique engineering constraint typical of German infrastructure upgrades. Because the six buildings are geographically scattered across the site and lack sufficient indoor utility space, the system integrators were forced to install the central control cabinets entirely outdoors.

The Engineering Challenge: Environmental Exposure and Maintenance Safety

Placing electrical enclosures outside introduces significant practical and safety challenges. Northern Germany experiences a demanding climate characterized by high humidity, frequent rain, and heavy spring snowmelt. The outdoor control cabinets house sensitive communication modules alongside high-voltage 220V and 380V power distribution circuits.

Routine maintenance is a mandatory aspect of this system. Technicians must regularly open the cabinet doors to inspect wiring, adjust control parameters, or perform software updates.

Without a highly reliable waterproof switch disconnector for outdoor control cabinets installed on the incoming power side, maintenance personnel cannot safely verify true electrical disconnection. Any moisture ingress during operation or maintenance could lead to equipment short circuits or create a severe electric shock hazard for the operator. Standard indoor disconnectors are entirely inadequate for this environment.

The Solution: KRIPAL UKP Series Electrical Isolators

During the procurement phase, the control cabinet manufacturer that won the public tender carefully evaluated standard switch disconnectors against specialized weatherproof versions.

They ultimately selected the KRIPAL UKP Series to be supplied on an OEM basis. This IP65 outdoor electrical isolator switch is specifically engineered to handle the rigorous demands of outdoor installation scenarios under harsh European climatic conditions.

The selection committee based their decision on three mandatory technical criteria:

1. Superior Environmental Protection

Because the control cabinets are exposed to rain and ambient moisture for long periods, the internal electrical contacts must remain completely dry.

The UKP Series functions as a true industrial weatherproof switch disconnector. It carries an IP65 and IP66 protection rating, ensuring the unit is completely dust-tight and highly resistant to powerful water jets and temporary environmental immersion.

2. Visible Break for Operator Safety

Maintenance protocols require a foolproof method to confirm power isolation. The KRIPAL UKP Series is a fully compliant IEC 60947-3 waterproof switch disconnector. It features a mechanical design where the external handle position directly and accurately corresponds to the internal contact status, providing a clear visible break for technician safety.

3. Strict Market Access Certifications

German public infrastructure projects impose strict qualification requirements on all electrical components. The chosen product must hold valid European testing credentials.

The UKP Series meets the public tender requirements perfectly by functioning as a VDE-certified waterproof switch disconnector. The product line also holds comprehensive CE, TUV, and KEMA certifications.

KRIPAL’s Role as an OEM Partner

As a dedicated component partner to the control cabinet manufacturer, KRIPAL supplied the UKP Series to serve as the primary incoming isolator for the outdoor distribution boxes. Our modular design approach ensured that the panel builders could integrate the switches quickly, keeping the overall manufacturing schedule on track and reducing assembly costs.

Meeting a Predictable Market Demand

The Bernberg motorway maintenance station project highlights a highly stable demand within European public infrastructure. Outdoor control cabinets must utilize waterproof switch disconnectors equipped with visible breaks.

For control cabinet manufacturers and system integrators, choosing an IP65 outdoor electrical isolator switch that is already VDE-certified saves considerable qualification effort and bidding time. The KRIPAL UKP Series is designed precisely for this purpose. It provides a heavily certified, structurally robust, and hassle-free supporting option for modern outdoor building automation projects.