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Winding wire SHTherm® 220
- Enamelled round cu.wire, thermo-resistant,
- Insulated with polyamide-Imide
- Class 220
"SHTherm® 220" is a highly thermo-resistant enamelled copper wire with heat performance class R with superior thermal, chemical and mechanical resistance. It is used for special applications requiring the following criteria: very high permanent thermal resistance and short-time thermal overload, very good resistance to aggressive mediums in liquid or gas form.
"SHTherm® 220" is ideally suited for use in special safety-relevant and electrical life support equipment. Sophisticated process technology and process setting ensure easy mouldability, good elongation and constant insulation properties of these wires.
Application
Control gears, electric motors, electrical tools, pump drives, refrigerators, special applications in the medical field
Standards
IEC / DIN EN 60317-26
UL approved
Delivery forms
Grade 1: on request
Grade 2: on request
Technical data
Typical properties of enamelled round copper wire 0.500 mm, with insulation film grade 1
| Property | Unit of measure | Set value | Actual value (typ.) |
|---|---|---|---|
| Outer diameter with varnish | mm | min. 0.524 - max. 0.544 | as set value |
| Bare wire diameter | mm | 0.495-0.505 | as set value |
| Elongation and adhesion | mandrel diameter: 0.500 mm | 1 x d /10 % pre-elongation | |
| Scrape resistance | N | ≥ 3.950 | ≥ 7.500 |
| Pencil hardness of varnish | / | 4H - 6H | |
| Elongation at break | % | ≥ 28 | ≥ 38 |
| Coefficient of friction | µ | / | ≤ 0.140 |
|
(1) Due to the variety of individual applications we cannot make any generally binding commitments regarding the compatibility. We recommend testing compatibility with the materials being used. |
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| Property | Unit of measure | Set value | Actual value (typ.) |
|---|---|---|---|
| Temperature index TI | 220 | 220 | |
| Cut through temperature (pre-heated block) | °C | 350 | ≥ 400 |
| Dielectric loss factor (bending point) | (°C) (tan δ) | / | ≥ 240 |
| Heat shock at 220 °C (no cracks in varnish coat after winding) | mandrel diameter: 1.120 mm | 1 x d /10 % pre-elongation | |
| Solderability | no | no | |
|
(1) Due to the variety of individual applications we cannot make any generally binding commitments regarding the compatibility. We recommend testing compatibility with the materials being used. |
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| Property | Unit of measure | Set value | Actual value (typ.) |
|---|---|---|---|
| Dielectric strength RT | kV | ≥ 2.4 (twist) | ≥ 5 (cylinder) |
| High voltage discontiniuties 750V | ≤ 10 on 30 m | ≤ 7 on 100 m | |
| Electrical conductivity | MS/m | 58 - 59 | ≥ 58.5 |
|
(1) Due to the variety of individual applications we cannot make any generally binding commitments regarding the compatibility. We recommend testing compatibility with the materials being used. |
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| Property | Set value | Actual value (typ.) |
|---|---|---|
| Pencil hardness (storage in standard solvent ½ h / 60 °C) | min. H | 4H - 6H |
| Pencil hardness (storage in alcohol ½ h / 60 °C) | min. H | 4H - 6H |
| Resistance to commercial impregnants^(1) | / | yes |
| Resistance to commercial refrigerants (1) | / | yes |
| Resistance to dry transformer oils (1) | / | yes |
| Resistance to hydraulic oils (1) | / | yes |
|
(1) Due to the variety of individual applications we cannot make any generally binding commitments regarding the compatibility. We recommend testing compatibility with the materials being used. |
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