The 19B4BF is a safe area only power controller used for the 19BTSA & 19BTSB Thermosafe® heaters. It is known as a low cost option in comparison to many other installations. This controller is suitable for situations in which a drum needs to be kept at a set temperature for an extended time.

Key benefits:
  • Specificed for 120 VAC or 240 VAC
  • Easy to install and use open loop control
  • Low cost alternative
  • Burst firing controller for adjustment of heater output (0-100°)
  • If choosing 50% the heater will be on for 50% of the time, which reduces maximum drum temperature
  • Near zero-crossing switching decreases supply disturbance
  • Circuit protection with integrated 25A mcb


Product Sheet


This information has been provided as a general guide. It is the customer's responsibility to select the proper container for product and application compatibility.

Additional Information

More Information
Dimensions12" x 10" x 8"
Weight4 lbs.
Case Pack1 ea.
Pallet Pack100 ea. (100 Cases)
Note:Use only in safe areas (typically where fuses and switchgears are located).
Q & A
Customer Questions
Can you ship internationally? Where are you located?
The Cary Company online ordering platform is only set up to ship within the United States. For international shipments, please contact us at 630.629.6600 or Sales@thecarycompany.com, and we will be happy to process your order. Our main warehouse and office are located in Addison, Ill. We also have warehouses in across the United States that you can see here. Thank you for choosing The Cary Company.
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