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SunRod
Miniature Cartridge Heaters*
Select by Part Number to order online
Sunrod miniature split-sheath cartridge heater
pat.pend*
CONSTRUCTIONe
Revolutionary Split Sheath Design - SunRod split sheath cartridge heaters feature a unique new construction that eliminates the failure points of conventional cartridge heaters. A continuous resistor is packed into the highest density insulation and and welded to the lead connections. Lead wires can be bent sharply without exposing the conductor, and exit through continuous insulation rated to 900°Fahrenheit.
FEATURES
  • Lengths from ½” - Apply heat to the smallest space!
  • Hot Tip - Excellent for heating instruments, probes
  • Long Life - Split sheath expansion provides maximum heat transfer
  • Easy Removal - Contraction of split sheath ensures slide out removal
SunRod Specifications & Options
Specifications
Size
Nominal Diameter*
Min Length*
Max Length*
Max Volts
Max Amps
1/8"
.122"
1/2"
6"
240
4

*

Diameter Tolerance: +/- .002"
*
Wattage Tolerances:

For heaters over ¾“ long: +10% / -15%
For heaters ¾" and under: + / - 20%

*
Length Tolerances: +/-2%, with a 1/32“ minimum
Standard Leads: Fiberglas insulated, 12“ long, #24 gage stranded nickel - rated to 482°F
 
Minimum Wattages by length @ 120 volts*
Size
1/2"
3/4"
1”
1 1/2"
2"
1/8"
100
70
50
30
25
* Minimum Wattages at Other Voltages:
240 Volts: multiply by 4.0 24 Volts: multiply by .04
48 Volts: multiply by .18 12 Volts: multiply by .01
TO ORDER NON-STOCK SunRods*
Specify:
Diameter: 1/8" Wattage
Length: 1/8“ : 1/2" to 6" Long Voltage
Optional Features
  • Teflon Insulated Leads
    #24 gage stranded nickle leads – Rated to 450°F
  • Mica-Fiberglas Insulated Leads
    # 24 gage stranded nickle leads – Rated to 800°F
  • Moisture Seal
    RTV silicon rubber end seal – Rated to 450°F
Part Number
Description
Select by Part Number to order online  
SU12505024V15W Cartridge Heater 1/8" by 1/2" long, 24V 15W (38.4 ohms)
SU12507524V30W Cartridge Heater 1/8" by 3/4" long, 24V 30W (19.2 ohms)
SU12510024V40W Cartridge Heater 1/8" by 1" long, 24V 40W (14.4 ohms)
SU125100120V40W Cartridge Heater 1/8" by 1" long, 24V 40W (360 ohms)
SU12512524V60W Cartridge Heater 1/8" by 1 1/4" long, 24V 60W (9.6 ohms)
SU125125120V60W Cartridge Heater 1/8" by 1 1/4" long, 120V 60W (240 ohms)
SU12515024V60W Cartridge Heater 1/8" by 1 1/2" long, 24V 60W (9.6 ohms)
SU125200120V50W Cartridge Heater 1/8" by 2" long, 120V 50W (288 ohms)
SU125200120V100W Cartridge Heater 1/8" by 2" long, 120V 100W (144 ohms)
 
 
 

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