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All Categories > Heaters, Coils, Heat Exchangers & Controls > Process Technology Electric Immersion Heaters & Controls > Temperature and Liquid Level Controllers > Thermal Overload Protectors > View Items  
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Thermal Overload Protectors

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Protector 1, 2 and 3 Series

Thermal Overload Protection comes standard on all traditional style Process Technology over-the-side and bottom (L-shaped) industrial immersion heaters. Please check that these devices are properly installed to ensure safe operation of the heaters.

Features:

The Protector 1 Series

The Protector 1 overtemperature control system utilizes a heat sensitive protector to detect overheat conditions. The protector, placed inside a thermowell, positioned in contact with the heater sheath, will cut power to the heater in the event of low liquid level.

The Protector 2 and 3 Series
The Protector 2 and Protector 3 systems provide the same reliable overtemperature protection as the Protector 1; however, the control systems feature a heat sensing thermostat. Should the tank's liquid level drop to a preset overheat point, the thermostat will trip and an audible alarm will sound, cutting power to the heater. This eliminates dangerous operating conditions. After filling the tank, the immersion heater can be quickly made operational by pushing the reset button on the control to restore power. Protector 3 is designed for flexible lead or high temperature fluoropolymer (PTFE) heater applications only. DO NOT wire P3 or P8 devices directly to power or heater load as a dangerous short circuit will result with irreparable damage to the heater. Please refer to wiring diagrams for proper installation.

Order replacement protectors by item number (below). P3 option not available on 8 and 9 kW elements. Lowest temperature replaceable style Protector standard unless otherwise designated.






   
  Results 1 - 22 of 22 1 

Item #

Type

Model

Heater Material

Heater Style

Wire Color

Temperature Range

Price

6021-18-R Replaceable P1 Metal Over the Side White up to 180 ºF
up to 82
ºC
$47.00
6022-18-R Replaceable P4 Metal Over the Side Blue 180 to 230 ºF
82 - 110
ºC
$47.00
6023-18-R Replaceable P5 Metal Over the Side Red 230 to 300 ºF
110 - 150
ºC
$47.00
6021-85-R Replaceable P1 Metal L-Shaped White up to 180 ºF
up to 82
ºC
$57.00
6022-85-R Replaceable P4 Metal L-Shaped Blue 180 to 230 ºF
82 - 110
ºC
$57.00
6023-85-R Replaceable P5 Metal L-Shaped Red 230 to 300 ºF
110 - 150
ºC
$57.00
6032-26-R Replaceable P1 Fluoropolymer Over the Side Red up to 190 ºF
88
ºC
$47.00
6032-48-R Replaceable P1 Fluoropolymer L-Shaped Red up to 190 ºF
88
ºC
$57.00
6032-26-R Replaceable P1 Quartz Over the Side Red up to 180 ºF
82
ºC
$47.00
6033-26-R Replaceable P4 Quartz/Fluoropolymer Over the Side Blue 180 to 230 ºF
82 - 110
ºC
$47.00
2804-18-R Resettable P2 Metal Over the Side White up to 180 ºF
82
ºC
$47.00
4047-18-R Resettable P6 Metal Over the Side Blue 180 to 230 ºF
82 - 110
ºC
$47.00
2805-18-R Resettable P7 Metal Over the Side Red 230 to 300 ºF
110 - 150
ºC
$47.00
2804-85-R Resettable P2 Metal L-Shaped White up to 180 ºF
82
ºC
$57.00
4047-85-R Resettable P6 Metal L-Shaped Blue 180 to 230 ºF
82 - 110
ºC
$57.00
2805-85-R Resettable P7 Metal L-Shaped Red 230 to 300 ºF
110 - 150
ºC
$57.00
4575-26-R Resettable P2 Fluoropolymer Over the Side White up to 190 ºF
88
ºC
$47.00
5163-120-R Resettable P8 Fluoropolymer Over the Side Brown 190 to 210 ºF
88 - 99
ºC
$95.00
4575-48-R Resettable P2 Fluoropolymer L-Shaped White up to 190 ºF
88
ºC
$57.00
5163-120-R Resettable P8 Fluoropolymer L-Shaped Brown 190 to 210 ºF
88 - 99
ºC
$95.00
4575-26-R Resettable P2 Quartz Over the Side White up to 180 ºF
82
ºC
$47.00
5580-48-R Resettable P6 Quartz/Fluoropolymer Over the Side Blue 180 to 230 ºF
82 - 110
ºC
$57.00
  Results 1 - 22 of 22 1 
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