The model is suitable for transformer, motor, power distribution equipment and
various kinds of complete sets of equipment connection.
三、型號、名稱 Model and names
JEFR nitrile rubber insulation sheath wiring
1, tinned copper conductor
2, isolation layer (if any)
3, rubber insulation
4, nitrile rubber sheath layer
(note: this product can be made according to the user a variety of colors such as black, white, green and red, bright color, lasting)
1. tinned copper conductor, its structure in accordance with Table 1, the performance in line with GB / T3956-2008 in Class 5 conductor
2. rubber insulation performance in line with GB7594.8-1987 "rubber insulated wire and cable and rubber sheath, Part 8: 90℃ rubber insulated"
standards.Insulation thickness as specified in Table 1, tolerance -10%, the thickness of the thinnest of not less than 90% -0.1mm nominal value.
3. The rubber sheath performance in line with GB7594.8-1987 "rubber wire and cable insulation and rubber sheath, Part 9: 85 ℃general cloth
retardant rubber sheath" requirement, sheath thickness specified in Table 1, to allow deviation of -20%, the thickness of the thinnest at not less than
80% of the nominal value.The finished wire shall be subjected to AC 50Hz withstand voltage test.
5. The finished wire conductive core DC resistance at a temperature of 20 ℃should comply with the provisions of Tables 1 and 2.
6. The wires should be able to withstand dipping test, wire after 130 ±5℃ , after five hours thermostat, the temperature dipped to 1032 paint
50± 5 ℃for 30 minutes, remove the drip dry, and then by 130 ± 5℃ , 48DA temperature, and finally wire wound on a predetermined diameter rod,
wire sheathing layer should be no cracking, embrittlement and sticky and so on.
Wire length of delivery not less than 20 meters, 35 to and was allowed to not less than 5 meters short period of delivery, more than 35 was allowed
to not less than 1.5 meters short period of delivery, but the number should not exceed 10% of the total number of delivery. According to the agreement
to allow any length delivery, length measurement error should be not more than plus or minus 0.5%