Qualitrol STB-100-1/100-2 Polar Xtreme® Smart Transformer Breather

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Designed for Extreme Cold Environments

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Harsh polar climates require transformer accessories designed and engineered to handle these extreme cold environments. Qualitrols line of Polar Xtreme® instruments tackle these temperature extremes to ensure performance even on the coldest days of the year (down to -60 ˚C).

Features

Reduce maintenance costs with learned transformer breathing patterns and self-regenerating desiccant
Color changing silica gel desiccant allows for a visual confirmation of breather regeneration
Multiple communication options including 4-20 mA, RS-485 MODBUS and local USB port provide for a variety of monitoring solutions for any application
Front mounted indication LED lights of green, amber, and red indicate breather status and alarm capabilities
Oil desiccant size of 30,000 liters/8,000 gallons

Options

Polar models offer additional internal heaters to withstand harsh temperatures down to -60 °C
Multiple mounting options available for new or retrofit installation
Includes a solenoid valve that closes during the regeneration process to ensure moisture is not wicked into the transformer accidentally

Applications

The Qualitrol Polar Xtreme® Smart Transformer Breather removes moisture from air entering oil-filled transformers or LTC conservators. The PE breathers regenerate and operate in the same manner as the standard line of breathers offered by Qualitrol, but offer additional protection for the polar climate. Polar Xtreme® breathers are engineered to house additional heaters to prevent condensate water from freezing at the outlet of the breather. The addition of these heaters ensures proper drainage after the silica gel has been regenerated in extremely cold temperatures.

Product Brochure

Compare to Similar Products

Basic

Traditional Breather in the Marketplace

Utilizes silica gel to dry atmospheric air as the transformer breathes

Low initial cost of ownership but associated maintenance costs outweigh this over time

No alarming capability or failure detection available, must rely on human interaction maintain and service the breather

Desiccant disposal costs may apply if silica gel containing cobalt is used

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Advanced

Other Smart Breathers in the Marketplace

Do not utilize color changing desiccants (Color changing silica gels allow the user to have a secondary visual indication of regeneration)

Some do not utilize a pressure sensor and solenoid valve technology to detect breathing shifts in the transformer (This prevents liquid water from being drawn into the transformer accidentally)

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Total

Qualitrol STB-100-1/100-2 Polar Xtreme® Smart Transformer Breather

Utilize smart technology there is no need for unnecessary maintenance or replacing silica gel in the field

Alarming and failure detection capability; there is no need to rely on human interaction

Utilizes a color changing silica gel as a secondary indication that regeneration took place giving peace of mind

Utilize a pressure sensor and solenoid to detect inhale and exhale phases of the transformer and to prevent excess moisture from being drawn into the transformer

Ambient operating temperatures include lower range of -60˚C and upper range of 80˚C

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