详细内容

B, plastic insulated power cables

时间:2017-07-13 14:48:39   来源:   作者:   点击:


 
Details:
1. PVC insulated power cables
Standard: gb12706.2-91 is equivalent to IEC502 (83).
Application: this product is suitable for transmission and distribution of rated voltage 10KV and below.
Characteristics: cable conductor long-term allowed working temperature does not exceed 70 ℃.
When a short circuit (the longest duration of no more than 5 s) cable conductor long-term allowed working temperature does not exceed 160 ℃.
Cable when the ambient temperature under installation should not below 0 ℃. Its minimum bending diameter is twice the diameter of the cylinder.
Mixer carrying capacity
Environment: laying in the air, the environment temperature 30 ℃, conductor allows the long-term working temperature 70 ℃. Directly buried in the soil, soil temperature 15 ℃ soil thermal resistance of 1.2 ℃. M/w, depth of 0.5 m, conductor allows the long-term working temperature 70 ℃.
Delivery long ℃ :
The delivery length of the cable is not less than 100m, and the length of the cable is not less than 30m. The quantity shall not exceed 10% of the delivery length or shall be delivered in any length according to the agreement between the parties. In addition, our company can design and manufacture special specifications of power cables according to the requirements of customers.
2. Rated voltage of 0.6/1kv PVC insulated and fire-resistant electric cable
Standard: gb12706.2-91 (iec 502) and gb12666.66-90 (equivalent iec 3310).
Application: this product is suitable for the transmission line of the rated voltage 0.6/1kv. In case of fire danger, it is normal to maintain the work within a certain time. Its fire-resistant characteristics meet the requirements of gb12666.66-90 (equivalent iec 331).
Characteristics: cable conductor long-term allowed working temperature does not exceed 70 ℃
When a short circuit (the longest duration of no more than 5 s) cable conductor long-term allowed working temperature does not exceed 160 ℃.
Cable when the ambient temperature under installation should not below 0 ℃
Minimum bending radius: the single-core cable is not less than 20 times of the actual diameter of the cable and the outer diameter of the conductor, and is not less than 15 times for the multi-core cable.

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