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Since Tuesday, 23 February 2021, 04:00
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Stelpro > Controls > Relays > SRT850

SSR Type Electronic Relay with Heat Sink

SRT850 New

For installations that require greater control capacity, choose our high-performance models for installation in an external junction box. Available in several versions, they'll adapt perfectly to your specific needs.

Product images

  • SRT850_-_front
  • SRT850T-240-347_-_detail1
  • SRT850_-_detail1
  • SRT850T-240-347_-_detail1 copy
  • SRT850_-_angle

Advantages

  • Maintains the temperature closer to the desired setpoint for greater comfort and lower energy costs
  • Simple installation and easy adjustment on a 4" x 4" electrical junction box
  • Integrated heat sinkTo dissipate heat from the electronic relay
  • More precise than mechanical relays
  • Compatible with low-voltage thermostats
  • No maintenance requiredNo risk of damage, as there are no mechanical components
  • Cast in epoxyWhich protects the relay against moisture, excess heat and contaminated environments

CONTROL

  • 24 VAC pulse or On/Off signal
  • With transformer (SRT850T-240 and SRT850T-347)

CONTROL SIGNAL (NOMINAL)

  • AC: 24 V / 32 mA
  • DC: 4 to 32 V / 16 mA

TRANSFORMER VALUE

  • SRT850T-240
    • 240 VAC = 24 VAC, 2.4 VA
  • SRT850T-347
    • 347 VAC = 24 VAC, 2.4 VA

INSTALLATION

  • Must be installed in an external junction box

OPERATING TEMPERATURE

  • −20°C to 60°C (−4°F to 140°F)

STORAGE TEMPERATURE

  • −40°C to 80°C (−40°F to 175°F)

MOUNTING

  • 4 mounting holes for 4 11/16” electrical box

WARRANTY

  • Three years
SpecsheetDownload the product specsheet containing product specs and other useful information
Technical drawingsDownload the SRT850 technical drawings
Technical drawingsDownload the SRT850T technical drawings
Shop drawingsDownload the product shop drawings

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