TB250N All-Purpose Bulb and Capillary Temperature Controller
Product Highlights
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Suitable for outdoor use
Temperature control on heat tracing, freeze protection, and process maintenance applications
Manually set your desired temperature
Bulb and capillary
Three temperature ranges choices to fit your application
Specifications
- Rated 22 amps up to 277VAC
- Differential 6°F (3°C)
- Average 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 Number | Diameter | Length | ||
| 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 |
TB250N All-Purpose Bulb and Capillary Temperature Controller Specification Sheet
Ordering Information
| Part number | Volts | Amps | Range |
| TB250N-150 | Up to 277VAC | 22 | 0 to 150°F (-17 to 66°C) |
| TB250N-250 | Up to 277VAC | 22 | 100 to 250°F (38 to 121°C) |
| TB250N-350 | Up to 277VAC | 22 | 200 to 350°F (93 to 177°C) |
Accessories
| Part Number | Description |
| TB250N-2BW | 1/2" NPT x 2.8" copper bulb well, for 150 & 250 |
| TB250N-1BW | 1/2" NPT x 2.3" copper bulb well, for 350 |
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