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Heat-resistant Fire-proof Cable

Heat-resistant Fire-proof Cable

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1. Application

This product is used in signal and power transmission lines of rated voltage 0.6/1kV and below where high working temperature is need. It is especially used in fire control and protection systems.

2. Code and Description
Code Description
NHFF Copper core fire-proof & insulation layer heat-resistant fire-proof cable
NHFF22 Copper core fire-proof & insulation layer steel tape armored heat-resistant fire-proof cable
NHFF32 Copper core fire-proof & insulation layer steel-wire armored heat-resistant & fire-proof cable
NHFP1F Copper core fire-proof & insulation layer heat-resistant shield fire-proof cable
NHFP1F22 Copper core fire-proof & insulation layer steel tape armored heat-resistant shield fire-proof cable
NHFP1F32 Copper core fire-proof & insulation layer steel wired armored heat-resistant shield fire-proof cable

3. Technical Performance
Item Unit Technical Parameter
Max. Conductor DC Resistance at 20℃ Ω/km Sectional area (mm2) 0.5 0.75 1.0 1.5 2.5 4 6 10 16 25 35 50 70 95 120
Resistance 36.0 24.5 18.1 12.1 7.41 4.6 3.08 1.83 1.15 0.727 0.524 0.387 0.268 0.193 0.153
Test Voltage kV/1min 450/750V Cable: Test Voltage 2.5kV
600/1000V Cable: Test Voltage 3.5kV
Insulation Resistance MΩ.km 100
Fire-resistant Performance
Grade A (in 1000℃ flame for 90 minutes, 3A fuse does not break)

4. Guide to Use
1) Working temperature: 200℃ in normal use and 1000℃ for short-term use.
2) Rated votage Uo/U: 450/750V, 600/1000V.
3) Min. ambient temp: -60℃ for fixed installation and -20℃ for portable application.
4) Min. bend radius: 10 times cable diameter for non-armored cable and 12 times cable diameter for armored cable.

5. Models Available
Model Nominal Sectional Area (mm2)
0.5 0.75 1.0 1.5 2.5 4 6 10 16 25 35 50 70 95 120
No. of Cores
NHFF 2-61 2-10 1-5
NHF22 4-61 2-10 2-5
NHFF32  - 4-61 4-10 3-5
NHFP1F 2-61 2-10 1-5
NHFP1F22 4-61 2-10 2-5
NHFP1F32  - 4-61 4-10 2-5

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