MECHANICAL CHARACTERISTICS

– Strength: ensured by an original and simple design which guarantees the elements
almost unbreakable;
– Shape retention:
due to the particular elasticity of the grids, and the general elasticity of the complete assembly. The units are capable of withstanding vibration, shocks and temperature variations without any permanent deformation;
– Lightness:
due to the use of grids with low thicknesses but very large cooling surface;
– Non-oxidization: assured by the use of the best available stainless steel. This makes these resistors particularly suitable for use in tropical climates or in very polluted ambience;
– Interchangeability: results from an accurate assembling system which permits changes or additions of elements without disassembling the complete unit.

  Total weight
[g]
Active weight
[g]
Energy
Dt=4°C
[Kj]
Inductance
[
µH]
Active
area
[cm2]
Continuous power Dt=400°C
[w]
Min Value
[ohm]
Max Value
[ohm]
Open exec. Enclosed Forced vent.
CL GRIDS
CL6 340 290 60 < 0.5 1120 700 350 1200 0.05 1.7
CL8 420 390 80 < 0.5 1120 800 400 1500 0.038 1.3
CL10 520 480 100 < 0.5 1120 800 400 1500 0.03 1
CL15 750 720 150 < 0.5 1120 800 400 1500 0.02 0.7
CL20 1000 960 200 < 0.5 1120 800 400 1500 0.015 0.5
RL GRIDS
RL6 780 675 135 < 0.5 2600 1600 800 2500 0.06 4
RL8 1100 900 180 < 0.5 2600 1600 800 3000 0.045 3
RL10 1250 1120 230 < 0.5 2600 1600 800 3000 0.036 2
RL15 1800 1680 345 < 0.5 2600 1600 800 3000 0.024 0.8
RL20 2400 2240 460 < 0.5 2600 1600 800 3000 0.018 0.5

Temperature rise DT in relation to the continuous rating
1 1

N.B. For open type resistances the temperature is measured on the middle point of an internal grid of the assembly. For enclosed type natural air cooled resistances a three-storeyed enclosure has been considered.

Red: Enclosed resistors 

Blue: Open resistors


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Introduction | Main application | Mechanical characteristics
Identification of enclosures | Other resistors |  Some references

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