1、 The production execution standard GB12706.1.2 is equivalent to the use of ****** Electrotechnical Commission IEC60502.
Product usage characteristics
1. The long-term allowable working temperature of cable conductors shall not exceed 70 ℃;
2. During a short circuit (with a duration of no more than 5 seconds), the high temperature of the cable conductor shall not exceed 160 ℃;
3. The ambient temperature during cable laying should not be lower than 0 ℃.
2、 Usage characteristics
1. The high rated temperature of the cable conductor is 90 ° C. In the event of a short circuit (with a long duration of no more than 5 seconds), the high temperature of the cable conductor does not exceed 250 ° C.
2. The ambient temperature during cable laying should not be lower than 0 ° C
3. The allowable bending radius during laying: the single core cable shall not be less than 15 times the outer diameter of the cable; Multi core cables shall not be less than 10 times the outer diameter of the cable