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MESSKO® MR MTraB® DB100-T-HT Maintenance-Free Dehydrating Breather

Product Overview

The MESSKO® MTraB® DB100-T-HT by Maschinenfabrik Reinhausen (MR), Germany, is a premium, maintenance-free dehydrating breather engineered specifically for main transformer tanks experiencing cyclic loads. Designed to protect vital liquid insulation from atmospheric moisture ingress, this smart breather utilizes a self-learning beta-controller to automatically regenerate its silica gel desiccant. The “HT” (Heated Filter) designation signifies an integrated anti-freeze heater that prevents condensation blockages in extreme cold. By fully automating the dehydration process, the DB100-T-HT eliminates the downtime and high labor costs associated with routine desiccant replacements.

Key Features & Specifications:

• Self-Learning Regeneration (Beta-Control): Continuously monitors hydration levels and automatically calculates the optimal time window—specifically during the conservator tank’s exhalation cycle—to heat and dry the desiccant.

   

• Maintenance-Free Operation: Completely eliminates the need for periodic visual inspections and manual silica gel replacements, drastically reducing the transformer’s lifecycle maintenance costs.

   

• Extreme Climate Protection (HT Model): Equipped with a dedicated 20W filter heater at the base to prevent expelled moisture from freezing, ensuring uninterrupted operation in ambient temperatures as low as -50°C.

• 1.1 kg Desiccant Capacity: Contains 1.1 kg of environmentally safe, colorless silica gel, specifically sized for network, step-up, and phase-shifting transformers.

• Weather-Resistant Glass Cylinder: The desiccant is housed in a heavy-duty glass cylinder that optimizes the internal thermal regeneration process while resisting UV rays and harsh weather conditions.

   

• At-a-Glance Visual Diagnostics: High-visibility exterior LED indicators provide instant operational status updates (Green: Power On, Yellow: Regeneration Active, Flashing Red: System Error).

• Rugged Industrial Build: Features an IP55-rated enclosure with external components resistant to transformer oil and salt water. It mounts securely via a standard DIN flange.

   

• SCADA & Remote Monitoring: Includes fail-safe alarm contacts and optional 4-20 mA analog output capabilities for seamless integration into remote control room monitoring systems.