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Insulation Layer Steel Tape Armored Heat-resistance Wire Shield For Signal Checking
Product description
Heat-resistance Fire-proof Cable
- Product Standard
Enterprise standard. Fire-proof feature test refers to GB/T19216.21-2003 (equal to IEC60331).
- Usage
It is used for signal checking and power transmission at high temp, rated A.C. voltage 0.6/1kV and below. Especially used for transmission line.
- Type and Designation
|
Type |
Designation |
|
NHFF |
Cu core fire-proof & insulation layer heat-resistance fire-proof cable |
|
NHFF22 |
Cu core fire-proof & insulation layer steel tape armored heat-resistance fire-proof cable |
|
NHFF32 |
Cu core fire-proof & insulation layer steel wire armored heat-resistance fire-proof cable |
|
NHFPF |
Cu core fire-proof & insulation layer heat-resistance shield fire-proof cable |
|
NHFPF22 |
Cu core fire-proof & insulation layer steel tape armored heat-resistance shield fire-proof cable |
|
NHFPF32 |
Cu core fire-proof & insulation layer steel wire armored heat-resistance shield fire-proof cable |
- Model explanation
Conductor type
Armoring material
Sheath material
Shielding material
Insulating material
Series code
- Technical performances
|
Item |
Unit |
Technical performances |
|||||||||||||||
|
D.C. Resistance of conductor (20)≤ |
Ω/km |
mm2 section |
0.5 |
0.75 |
1.0 |
1.5 |
2.5 |
4 |
6 |
10 |
16 |
25 |
35 |
50 |
70 |
95 |
120 |
|
Resis-tance |
36 |
24.5 |
18.1 |
12.1 |
7.4 |
4.61 |
3.08 |
1.83 |
1.15 |
0.727 |
0.524 |
0.387 |
0.268 |
0.193 |
0.153 |
||
|
Test voltage |
kV/1min |
450/750V Test Voltage 2.5KV 600/1000V Test Voltage 3.5KV |
|||||||||||||||
|
Insulation resistance≥ |
MΩ·km |
100 |
|||||||||||||||
|
Fire-resistance feature |
|
Grade A (Flame temp 1000℃ 90min test 3A fuse wire not break) |
|||||||||||||||
|
Item |
Code |
Explanation |
|
Series code |
NH |
Fire-proof cable |
|
Insulating material |
F |
Fire-proof insulating material |
|
Shielding material |
/ P |
No shield to be omitted Tin-plated woven Cu wire |
|
Sheath material |
F |
(F46) F46 |
|
Armoring material |
22 32 |
Steel tape armored Thin steel wire armored |
|
Conductor type (fill in the brackets) |
A B |
Single strand conductor Twisted conductor |
E.G.1: Five core1.0mm2 type A conductor heat-resistance fire-proof cable is described as: NHFF 5×1.0(A)
E.G.2: Five core 120mm2 Cu conductor steel wire armored Tin-plated woven Cu wire shield heat-resistance fire-proof cable is described as:NHFPF22 5×120
-
Application characteristics
- Operating temp: Long time use 200℃, short time use 1000℃ 90 minutes.
- Rated voltage U0/U: 450/750V, 600/1000V
- Min. ambient temp: fixed installation -60℃, non-fix installation -20℃.
- Min. bending radius: Non-armored cable≥10 times the cable outer dia.
Armored cable ≥12 times the cable outer dia.
- Specifications cable
|
Type |
Nominal cross section mm2 |
||||||||||||||
|
0.5 |
0.75 |
1.0 |
1.5 |
2.5 |
4 |
6 |
10 |
16 |
25 |
35 |
50 |
70 |
95 |
120 |
|
|
Core number |
|||||||||||||||
|
NHFF |
2~61 |
2~10 |
1~5 |
||||||||||||
|
NHFF22 |
— |
4~61 |
2~10 |
2~5 |
|||||||||||
|
NHFF32 |
— |
4~61 |
4~10 |
3~5 |
|||||||||||
|
NHFPF |
2~61 |
2~10 |
1~5 |
||||||||||||
|
NHFPF22 |
— |
4~61 |
2~10 |
2~5 |
|||||||||||
|
NHFPF32 |
— |
4~61 |
4~10 |
3~5 |
|||||||||||
- Delivery lengths
Non-armored cable is 500m armored cable is 200m, shortage length more than 30m may be delivered but not exceed 10% of the total length delivered special requirement to be discussed between the supplier and the buyer.
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