Maxiband HEATER SPECIFICATIONS AND TOLERANCES

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Performance Ratings

Maximum Temperature: 650°F (350°C)

Nominal Watt Density: 35 W/in² (5.4 W/cm²)

Electrical Ratings

Maximum Voltage: 277VAC per half

Maximum Wattage: Depends on diameter and number of elements used

Maximum Amperage: 30 amps per circuit

Resistance Tolerance: +10%, –5%

Wattage Tolerance: +5%, –10%

Physical Size Construction Limitations

Standard Gap: Up to 11" ID—1/4" gap. As the diameter increases, the gap will also increase accordingly in order to accommodate the thermal expansion of the aluminum track.

Heater Thickness: 1/2"

Minimum Inside Diameter: 3-1/2" (Due to manufacturing constraints, some wattages/voltages may not be available in smaller heater sizes.)

Available Heater Widths:

Maxiband Type	3/4"	1-1/2"	2-1/2"	3"	4"
Heating Only	x	x	x	x	x
Heat and Cool	n/a	n/a	x	x	x
Cooling Only	x	x	x	x	x

Cooling Tube Specifications:

Heater Width	3/4"	1-1/2"	2-1/2"	3"	4"
Cooling Tube Diameter	3/8"	3/8"	3/8"	3/8"	3/8"
Cooling Tube Extension	4"	4"	4"	4"	4"
Cooling Tube Material	Stainless Steel

Holes:

Heater Width	3/4"	1-1/2"	2-1/2"	3"	4"
Maximum Size Hole	n/a	7/16"	7/16"	9/16"	9/16"

Hole is located in center of heater width; see below for mounting hole location guidelines. For special hole arrangements, supply Tempco with a detailed drawing of your requirements.