... DIN, and the standard required by the clients. 1. The long-term permissible operation temperature of the ... conductor shall not be higher than 70. 2. The max temperature of the conductor of ... the environment temperature shall not be lower than 0. 4. Perfect chemical stability, resistant against acids, alkalis, ... conveniently. 6. Rated voltage: 0.6/1kV, 3.6/6kV. 7. Number of cores: One, two, three, four ...