NFR-8 3x 25mm²
Description
Description
Standards
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국가 표준KS C IEC 60502-1; KWS 409
적용범위
주거 및 상업적 용도의 건물내 및 산업용 배전 회로에 사용하는 전력용 저독성 내화 케이블
적용규격
K 60502-1,
KS C IEC 60502-1,
KWS 409 : 소방용전선(내화)
재료 및 구조
1. 도체 : 2등급(연선) 연동선
2. 내화층 : 마이카 테이프
3. 절연 : 가교 폴리에틸렌(XLPE), 내열 온도 90℃
4. 연합 : 2심 이상인 경우 절연된 선심을 원형으로 꼬음
5. 피복 : 흑색 저독성 난연 폴리올레핀
색상
1심 : 자연색(XLPE)
2심 : 흑, 백,
3심 : 흑, 백, 적
4심 : 흑, 백, 적, 녹
제품인증
KETI (전기용품안전인증), 환경표지인증
NFR-8 0.6/1kV design
| ##image:56211## |
도체 절연 충진물 바인드 테이프 피복 |
절연저항 값은 규정이 없고 절연저항 상수의 값만 규정되어 있음 ( K=min. 3.67MΪ.km at 90℃) : 단심 & 다심
Characteristics
Characteristics
구조적 특성
구조적 특성
도체 재료
연동선
도체 타입
2등급 (연선)
절연
Micatape + XLPE
피복
LSZH
구조
Circular compacted strand
색상
백/흑/적
With Green/Yellow core
No
With smaller neutral conductor
No
치수
치수
코어수
3
도체 단면적
25 mm²
도체지름
5.9 mm
절연평균두께
0.9 mm
외경
26 mm
시스 평균두께
1.4 mm
무게(근사치)
930 kg/km
Neutral conductor section (when smaller)
- mm²
전기적 특성
전기적 특성
20° C에서 최대 도체 DC저항
0.727 Ohm/km
시험전압
3500 V
정격전압 Uo/U (Um)
0,6/1 kV
기계적 특성
기계적 특성
부식
IEC 60754-2
사용 특성
사용 특성
운용온도, 범위
-15 ... 90 °C
난연
KSC IEC 60332-3
연기밀도
ASTME 662
설치 시 벤딩 요소
12 (xD)
Resources
Resources
Current capacity table XLPE insulation multicore single phase
XLPE or EPR insulation, two loaded conductors/copper or aluminium Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground| 도체 단면적 |
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| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 25.0 | 106.0 | 84.0 | 99.0 | 78.0 | 119.0 | 94.0 | 138.0 | 101.0 | 116.0 | 90.0 | 129.0 | 98.0 | 149.0 | 108.0 |
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A1 Insulated conductors in conduit in a thermally insulated wall |
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A2 Multi-core cable in conduit in a thermally insulated wall |
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B2 Multi-core cable in conduit on a wooden wall |
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C Single-core or multi-core cable on a wooden wall |
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D1 Multi-core cable in ducts in the ground |
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D2 Multi-core cables designed to be buried directly in the ground |
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E Multi-core cable in free air |
Current capacity table XLPE insulation multicore three phase
XLPE or EPR insulation, three loaded conductors/copper or aluminium – Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground| 도체 단면적 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 25.0 | 95.0 | 76.0 | 89.0 | 71.0 | 105.0 | 84.0 | 119.0 | 90.0 | 96.0 | 75.0 | 107.0 | 82.0 | 127.0 | 97.0 |
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A1 Insulated conductors in conduit in a thermally insulated wall |
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A2 Multi-core cable in conduit in a thermally insulated wall |
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B2 Multi-core cable in conduit on a wooden wall |
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C Single-core or multi-core cable on a wooden wall |
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D1 Multi-core cable in ducts in the ground |
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D2 Multi-core cables designed to be buried directly in the ground |
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E Multi-core cable in free air |
Current capacity table XLPE insulation single core single phase
XLPE or EPR insulation, two loaded conductors/copper or aluminium Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground| 도체 단면적 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 25.0 | 106.0 | 84.0 | 133.0 | 105.0 | 138.0 | 101.0 | 116.0 | 90.0 | 129.0 | 98.0 | 161.0 | 121.0 |
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A1 Insulated conductors in conduit in a thermally insulated wall |
|
B1 Insulated conductors in conduit on a wooden wall |
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C Single-core or multi-core cable on a wooden wall |
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D1 Single core or Multi-core cable in ducts in the ground |
|
D2 Single core or Multi-core cables designed to be buried directly in the ground |
|
F Single-core flat cables, touching in free air |
Current capacity table XLPE insulation single core three phase
XLPE or EPR insulation, three loaded conductors/copper or aluminium – Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground| 도체 단면적 |
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|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm² | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al | Cu | Al |
| 25.0 | 95.0 | 76.0 | 117.0 | 93.0 | 119.0 | 90.0 | 96.0 | 75.0 | 107.0 | 64.0 | 141.0 | 107.0 | 135.0 | 103.0 |
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A1 Insulated conductors in conduit in a thermally insulated wall |
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B1 Insulated conductors in conduit on a wooden wall |
|
C Single-core or multi-core cable on a wooden wall |
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D1 Single core or Multi-core cable in ducts in the ground |
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D2 Single core or Multi-core cables designed to be buried directly in the ground |
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F Single-core flat cables, touching in free air |
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Ft Single-core trefoil cables, touching in free air |
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