执行标准：JB2411-79 High temperature fire control cable implementation standard: JB2411-79
Use of high temperature resistant fire control cable
It is suitable for signal detection in high temperature environment with AC rated voltage 300/500 and below. It is especially suitable for the control and power transmission lines of protection circuits of fire protection and security systems.
Use characteristics: Working temperature: long-term use 200 ℃
Short-term use at 1000 ℃ for 90 minutes
的交货长度 Delivery length of high temperature resistant fire control cable
The cable is generally not less than 100 meters, and short-line delivery of more than 50 meters is allowed, and the quantity does not exceed 10% of the total delivery length; the measurement error is ≤50. If there is a special request, the supplier and the buyer can negotiate separately.
型号规格说明 Specification of high temperature resistant fire control cable
Example 1 Five-core cross-section 1.0mm2 Class A conductor high-temperature fire-resistant cable is represented as NHFF 5 × 1.0 (A)
Example 2 Five-core cross-section 1.0mm2 Class B conductor steel tape armored shielded high-temperature fire-resistant cable is indicated as NHFP1F22 5 × 1.0 (B)