Rheostat PRN-322
Indosaw Rheostat PRN-322
Version for usual loadings. One resistance coil in a housing.
The Table-Top Variable Resistor is a versatile tool for controlling DC and AC currents or voltages in electrical applications. Ideal for labs, education, and more, it functions as both a rheostat and potentiometer, offering precise, reliable performance. Built to international standards, it is essential for professionals and educators.
Range :1Ω - 10000Ω,320W
| Resistance Ω | Imax(A) | |
| Permanent | 15 Min | |
| 1 | 18 | 25 |
| 3.3 | 10 | 14 |
| 10 | 5.7 | 8 |
| 33 | 3.1 | 4.4 |
| 100 | 1.8 | 2.5 |
| 330 | 1.0 | 1.4 |
| 1000 | 0.57 | 0.8 |
| 3300 | 0.31 | 0.44 |
| 10000 | 0.18 | 0.25 |
Common Technical Data
| Resistance tolerance | ± 10 % |
| Allowed permanent and intermittent load at 23°C ambient temperature | see tables |
| Insulation resistance | > 3 × 107 Ω |
| Earthing resistance | < 0.1 Ω |
| Allowed voltage at terminals | max. 600 V |
| Allowed voltage between terminals (applied to PRN 3/322) | max. 700 V |
| Breakdown voltage against casing | > 2500 V~ |
| Protection degree | IP 20 |
| Construction according to | EN 61010-1 |