TB250N
TB250N
Product Highlights
Suitable for outdoor use
Your Heating Specialist since 1949
TB250N All-Purpose Bulb and Capillary Temperature Controller
Temperature control on heat tracing, freeze protection, and process maintenance applications
Manually set your desired temperature
Set-point dial protected within a NEMA 3R enclosure
Bulb and capillary
Three temperature range choices to fit your application
CONTROLLERS
Specifications:
• Rated 22 amps up to 277VAC
• Differential 6 ° F( 3 ° C)
• Αverage accuracy of ± 5 ° F( 3 ° C)
• Enclosure NEMA 3R rated, for outdoor use
• Maximum controller exposure temperatures:-40 to 160 ° F(-40 to 71 ° C)
• Tinned copper bulb and capillary, 10 feet( 3m) long
• Single pole double throw( SPDT) contacts
Bulb Dimensions
Part |
Diameter |
Length |
Number |
Inches |
mm |
Inches |
mm |
TB250N-150 |
19 / 64 |
7.5 |
2 1 / 2 |
63.5 |
TB250N-250 |
19 / 64 |
7.5 |
2 1 / 2 |
63.5 |
TB250N-350 |
3 / 8 |
9.5 |
2 1 / 4 |
57.2 |
Ordering Information:
Part number Volts Amps Range TB250N-150 Up to 277 22 0 to 150 ° F TB250N-250 Up to 277 22 100 to 250 ° F TB250N-350 Up to 277 22 200 to 350 ° F
Accessories:
Part number
Description TB250N-2BW ½” NPT x 2.8” copper bulb well, for 150 & 250 TB250N-1BW ½” NPT x 2.3” copper bulb well, for 350
98
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