Page 11

Squared Magnet Wires (International System Unit) Manufacturing Standards: NEMA MW-1000 NTC 361 BARE WIRE SIZE AWG

4 5 6 7 8 9 10 11 12 13 14

MINIMUM

NOMINAL

MAXIMUM

CORNES RADIUS1 (mm)

5.138 4.575 4.074 3.630 3.231 2.878 2.563 2.278 2.027 1.803 1.603

5.189 4.620 4.115 3.665 3.264 2.906 2.588 2.304 2.052 1.829 1.628

5.240 4.666 4.155 3.701 3.297 2.934 2.614 2.329 2.078 1.854 1.654

1.016 1.016 0.813 0.813 0.813 0.660 0.660 0.508 0.508 0.406 0.406

DIAMETER (mm)

DOUBLE FILM SECTION (mm2)

APPROX. WEIGTH (kg/km)

26.04 20.46 16.37 12.86 10.09 8.07 6.32 5.09 3.99 3.20 2.51

231.49 181.87 145.49 114.37 89.67 71.75 56.22 45.22 35.46 28.48 22.30

MINIMO MAXIMUM INCREMENT DIAMETER (mm) (mm)

0.076 0.076 0.076 0.076 0.076 0.076 0.076 0.076 0.076 0.076 0.076

5.367 4.793 4.282 3.828 3.424 3.061 2.741 2.456 2.205 1.981 1.781

APPROX. WEIGTH (kg/km)

MAXIMUM WINDING TENSION2 (kg)

DC RESISTANCE at 20°C 3 (ohm/km)

233.05 183.22 146.68 115.40 90.56 72.54 56.91 45.84 36.01 28.98 22.74

156 122 97.9 76.9 60.3 48.3 37.8 30.4 23.9 19.2 15.0

0.8153 1.028 1.296 1.634 2.060 2.599 3.278 4.135 5.213 6.562 8.283

CURRENT DENSITY 4 (A) THERMAL CLASS 155°C

200°C

171 135 108 85 66 53 42 33 26 21 17

257 202 161 127 100 80 62 50 39 32 25

Notes: 1. NEMA MW-1000 Standard specify a tolerance of ±25%. 2. Maximum winding tension to avoid wire strecht, based on a maximum strenth of 5.98 kg/mm2. 3. DC resistance calculated based on a 17.241 ohm-mm2/km resistivity. 4. Current density based on 0.101 and 0.152 mm2/A for Thermal Class of 200°C and 155°C. 5. Data herein indicated are approximate and are subject to normal manufacturing tolerances.

Squared Magnet Wires Manufacturing Standards: NEMA MW-1000 NTC 361 BARE WIRE SIZE AWG

4 5 6 7 8 9 10 11 12 13 14

MINIMUM

NOMINAL

MAXIMUM

CORNER RADIUS1 (mils)

202.3 180.1 160.4 142.9 127.2 113.3 100.9 89.7 79.8 71.0 63.1

204.3 181.9 162.0 144.3 128.5 114.4 101.9 90.7 80.8 72.0 64.1

206.3 183.7 163.6 145.7 129.8 115.5 102.9 91.7 81.8 73.0 65.1

40.0 40.0 32.0 32.0 32.0 26.0 26.0 20.0 20.0 16.0 16.0

DIAMETER (mils)

DOUBLE FILM SECTION (cmil)

APROXX. WEIGTH (lb/kft)

51391 40376 32299 25389 19906 15928 12480 10039 7873 6323 4951

155.57 122.23 97.78 76.86 60.26 48.22 37.78 30.39 23.83 19.14 14.99

MINIMUM MAXIMUM INCREMENT DIAMETER (mils) (mils)

3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0

211.3 188.7 168.6 150.7 134.8 120.5 107.9 96.7 86.8 78.0 70.1

APROXX. WEIGTH (lb/kft)

MÁXIMUM WINDING TENSION2 (lb)

DC RESISTANCE at 20°C 3 (ohm/kft)

156.62 123.13 98.57 77.55 60.86 48.75 38.24 30.81 24.20 19.47 15.28

343 270 216 170 133 106 83 67 53 42 33

0.2485 0.3135 0.3951 0.4981 0.6280 0.7923 0.9990 1.2604 1.5890 2.0001 2.5245

Notes: 1. NEMA MW-1000 Standard specify a tolerance of ±25%. 2. Maximum winding tension to avoid wire strecht, based on a maximum strenth of 8500 psi 3. DC resistance calculated based on a 10.729 ohm-cmil/ft resistivity. 4. Current density based on 200 and 300 cmil/A for Thermal Class of 200°C and 155°C. 5. Data herein indicated are approximate and are subject to normal manufacturing tolerances.

16

CURRENT DENSITY 4 (A) THERMAL CLASS 155°C

200°C

171 135 108 85 66 53 42 33 26 21 17

257 202 161 127 100 80 62 50 39 32 25

Magnet wire  

Magnet wire

Magnet wire  

Magnet wire

Advertisement