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High temperature resistant and fire-resistant cable
Product features and applications: Suitable for signal detection in high temperature environments with AC rated voltage of 300/500V and below. Especia
Product details
Product features and uses:
Suitable for signal detection in high temperature environments with AC rated voltage of 300/500V and below. Especially suitable for the control of fire and security system protection circuits and the use characteristics of power transmission lines:
Working temperature: 200 ℃ for long-term use
Short term use at 1000 ℃ for 90 minutes
Rated voltage Uo/U: 300/500V
Minimum ambient temperature: Fixed installation -60 ℃ Non fixed installation -20 ℃
Minimum bending radius: Non armored cables shall not be less than 10 times the outer diameter of the cable
Armored cables shall not be less than 12 times the outer diameter of the cable
Main technical indicators:
Performance project
unit
TECHNICAL INDEX
Direct current obstruction of conductors
Ω/km
Cross section mm2
0.5
0.75
1.0
1.5
2.5
resistance
36.0
24.5
18.1
12.1
7.41
testing voltage
kv/1min
1.5
insulation resistance
MΩ.km
100
Fire resistance characteristics
Class A (flame temperature 1000 ℃ test for 90 minutes, 3A fuse continuously)
Model and name
| model | name |
| NHFF | Copper core fire-resistant insulation protective layer, high-temperature resistant fire-resistant cable |
| NHFF22 | Copper core fireproof insulation protective layer, steel tape armor, high temperature resistant fireproof cable |
| NHFF32 | Copper core fireproof insulation protective layer, fine steel wire armor, high temperature resistant fireproof cable |
| NHFP1F | Copper core fireproof insulation protective layer, high temperature resistant shielding fireproof cable |
| NHFP1F22 | Copper core fireproof insulation protective layer, steel tape armor, high temperature resistant shielding fireproof cable |
| NHFP1F32 | Copper core fireproof insulation protective layer, fine steel wire armor, high temperature resistant shielding fireproof cable |
| describe | In addition to producing high-temperature resistant and fire-resistant cables, our unit also produces ordinary fire-resistant cables with a rated voltage of 300/450. To write the model, simply change F to V, such as NHVV and NHVV22 |
Electromagnetic flowmeter K-type thermocouple thermal resistance bimetallic thermometer pressure transmitter flow transmittersheathed cable for fixed wiring
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