(a) U0 / U for 450/750V. (b) the working temperature of cable long-term allowed BVR - 90 type: no more than 90 aa, the other no BVR - Copper PVC insulated flexible cable The product model: BVRThe product specification: 2.5-35mm2Technical indicators: executive JB8734.2-1998 standardsProduct features:(a) U0 / U for 450/750V.(b) the working temperature of cable long-term allowed BVR - 90 type: no ...