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Even a simple catalog without inventory or pricing creates a centralized, professional and branded hub for your sales teams and customers to reference and utilize to build quotes, hammer out details and close faster.

Save your team time, and jumpstart sales by providing a clear, concise and accurate starting point with listed MPNs or configured model numbers.

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Instantly add the STB-200-4 Main Tank Smart Transformer Breather and 50,000+ more product series to your store or catalog  
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Qualitrol Main Tank Smart Transformer Breather, STB-200-4

STB-200-4 Main Tank Smart Transformer Breather

Brand: Qualitrol Company
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The transformer bladder, oil, and insulation system can degrade over time due to excess moisture in the atmosphere.

This degradation may result in aging of the asset or reducing the overall life and performance.

With multiple communication options, Qualitrol’s Smart Breather can provide a wide range of monitoring solutions for any application.
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 136,000 liters/36,000 gallons

Specifications

Brand

Analog Output Signal

  • 4-20 mA At, Max.

Communication

  • Modbus (Remote) & USB (Local)

Conducted, Radiated Emissions

  • EN 55011

Dielectric Isolation

  • 1,500 Vac for 60 seconds to Ground

Enclosure Protection

  • IP65

Failure Detection

  • RH Sensor, Heater, Solenoid

Harmonics & Flicker Test

  • EN 61000-3-2, 3

Humidity Range

  • 2 to 100 % Relative Humidity

Immunity Test

  • EN 61000-4-2,3,4,5,6,8, 11

Inrush Control

  • Staged Heating at 10 seconds

Operating Temperature

  • -40° to 80° C (-40° to 176° F)
  • -60° to 80° C (-76° to 176° F)

Power Consumption

  • Regeneration Heater Inrush Current: 10 A
  • Steady State Regeneration: 3 A
  • Steady State, Non-Regeneration: < 10 W

Regeneration Cycle

  • 3 Hours Full Power, 1-Hour Cool-Down

Regeneration Frequency Control

  • 2-Position DIP Switch

Regeneration Frequency Setting

  • 10, 40, 70, 100 Days

Regeneration Status Monitoring

  • 5 A (NO) / 3 A (NC) at 125/250 Vac Resistive
  • 5 A (NO) / 3 A (NC) at 30 Vdc Resistive

Relative Humidity

  • 95 % Non-Condensing at 80° C (176° F)

Relative Humidity Trigger Level

  • User Configurable: 50 % Default Value

Status Indication

  • LEDs - Green, Amber, Red

Vibration

  • 50/60 Hz at 0.004” Displacement

Voltage / Frequency

  • 100-240 Vac, 50/60 Hz

Documentation

Data Sheets

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