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 | |||||||||||
Add：No.268 jingwu road, economic development zone,
yueqing city, zhejiang province
Service hotline：400-0700-118 Tel：0577-62667555
Alibaba site：zghongqidianlan.1688.com
© 2013-2018 China · HongQi group LTD. All rights reserved
© 2013-2018 China · HongQi group LTD. All rights reserved
