Spiral wirewound resistor composed by a ceramic tube with a high heat dissipation level and mechanical resistance used as support for the spiral resistive wire. Specially recommended
“GEARLESS” motor and for its “noiseless” characteristic.
Covering the tube and the extremities, we use a galvanised steel enclosure suitably perforated for correct ventilation. This protection is IP20. We can supply it with or without thermal sensor and with the customer’s ohm value specification.
Temperature coefficient: 40 ppm. to 250 ppm.
Maximum load peak: 10XPn. 5 sec.
Maximum admissible voltage (in continuous):
√Pn x R*
Standard protection: IP20
Resistor tolerance: +-5%
Inductance values are less than 20pH
Pn: Rated power / *R: Ohm value
Cycle time: maximum 120 sec.
Nominal Power: 18000W
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