Standard Non-Explosion Proof Open Coil Heat
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Product Information
Specific Systems standard heater systems are available on all InPac, AirPak, and Mac, and Trak units, in standard heating capacities from 10KW to 40KW.* All capacities are installed with 2-stage heating, allowing the unit to draw only the power needed to compensate for given conditions.
For hazardous (classified) environments, please contact us for information about explosion-proof fin-tubed heating elements.
Close up of heating element, showing evaporator coil and thermal cutoff.Specific Systems standard heaters are open coil elements constructed using Nikrothal NXT wire. This wire is a combination of specialized alloys that has performance that equals or surpasses N60, and is far superior when compared to N40.
The NXT coils use .375” diameter consistent pitch windings and a rounded coil return. Use of double plane steatite insulators and point suspension techniques allow full coil exposure to the airflow. Anti-rotation insulating terminators ensure a sturdy and electrically sound connection. Thermostats are pre-installed on the heating elements and are easily adjustable from 175°–215°F (79°–101°C). These limit type disc thermostats are set to switch open on temperature rise.
Sag-resistant heating elements are suspended on steel brackets to maximize air flow and decrease static pressure through the elements thereby increasing unit efficiency when compared to other types of mounts.
Available Options
Please contact Specific Systems about the other available options as well as which capacities are available in each unit.
- Multiple Available Voltage Configurations
- Capacities ranging from 1.6KW – 40KW*
- Explosion Proof Heating Elements
*(Some capacities unavailable on all units. Smaller capacities available on InPac 60 Series.)





