use

The model is suitable for transformer, motor, power distribution equipment and various kinds of complete sets of equipment connection.

Model and name

JEFR nitrile rubber insulation sheath wiring

1 tin plated copper conductor

2 isolation layer (if any)

3 rubber insulation

Nitrile rubber sheath layer 4

(note: this product can be made according to the user a variety of colors such as black, white, green and red.

Color bright, durable)

Product structure and the reference data (see table)

JEFR type 500 v

Nominal section (was) conductive wire core structure insulation nominal thickness (mm)

Sheath nominal thickness (mm)

Maximum overall diameter (mm)

(mm) 20 ℃ reference weight (kg/km) cable conductor resistance (Ω/km) or less

The number of single single wire diameter

20 38.5 0.5 0.15 0.6 0.8 0.15

42 24 25.7 0.15 0.6 0.8 4.5 0.75

1.0 and 0.20 0.6 0.8, 4.7 and 18.9

48 35 12.6 0.20 0.6 0.8 5.0 1.5

19 57 7.59 0.41 0.8 1.0 6.2 2.5

4 and 0.52 0.8 1.0 0.52 4.54 76

June 19th 100 0.64 0.64 0.8 1.0 0.8

10 49 178 0.52 0.52 1.0 1.2 1.0

16 49 243 0.64 0.64 1.0 1.2 1.0

25, 98 372 0.58 0.58 1.0 1.4 1.0

35, 133 471 0.58 0.58 1.0 1.4 1.0

50, 133 647 0.68 0.68 1.2 1.6 1.2

70 189 879 0.68 0.68 1.2 1.6 1.2

95 259 1160 0.68 0.68 1.4 1.6 1.4

120 259 1451 0.76 0.76 1.6 1.8 1.6

29 150 320 0.76 1.8 2.2 1911.5 0.132

185 395 0.76 1.8 2.2 2268.65 0.108 32

240 240 0.76 0.76 2.2 3 35, 3010

300 300 0.76 0.76 2.4 3.5 38, 3770

Product technical requirements

4.1 conductor with tin plated copper wire, its structure comply with the provisions of the table 1, 2, performance in line with the JB947-76 "rubber and plastic insulated wire and cable with copper conductive wire core" of the requirements.

4.2 the rubber insulation accord with JB664-77 standard for wire and cable with rubber.

Insulation thickness conform to table 1, 2, and allowable deviation - 10%, the thickness of the thinnest place of not less than 90% of the nominal value to 0.1 mm.

4.3 sheath rubber performance conforms to the JB664-77 "wire and cable with rubber" regulation, sheath thickness conform to table 1, 2, and allowable deviation - 20%, the thickness of the thinnest place not less than 80% of the nominal value.

4.4 the finished wire shall undergo QYDDL0118-2003, regulation of ac 50 hz voltage withstand test.

4.5 the finished wire conducting wire core dc resistance when the temperature is 20 ℃ should comply with the regulations of table 1, 2.

Should be able to withstand a 4.6 wire varnished test, wire through 130 + 5 ℃, 5 hours after constant temperature, immersion temperature of 50 + 5 ℃ for 1032 paint in 30 minutes, remove the drip dry, then through 130 + 5 ℃, constant temperature, 48 hours finally winding wires on the regulation of the diameter of the round bar, wire sheath layer should I cracking, the phenomenon such as brittle and sticky.