NFR-3 solid 7x4mm²

Description

Description

Standards

  • National
    KS C IEC 60502-1; KWS 408

적용범위

주거및 상업적 용도의 건물내 사용되는 화재 경보용 저독성 내열 케이블

 

적용규격

K 60502-1

KWS 408 : 소방용전선(내열)

 

재료 및 구조

1. 도체 : 1등급(단선), 2등급(연선) 연동선

2. 절연 : 가료 폴리에틸렌(XLPE), 내열 온도 90℃

3. 연합 : 2심 이상인 경우 절연된 선재를 원형으로 꼬음

4. 피복 : 흑색 저독성 난연 폴리올레핀

 

색상

2심 : 흑, 백
3심 : 흑, 백, 적
4심 : 흑, 백, 적, 녹 5심 5심 이상 : 1) 연합 층별 흑, 적을 기준하여 그외의 선심은 자연색 또는 백색
2) 백색절연체 위에 흑색으로 번호 표시

 

제품인증

KETI (전기용품안전인증), 환경표지인증

NFR-3 0.6/1kV design

 ##image:56243##

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
1등급 단선
절연
XLPE
피복
LSZH
색상
모든 심은 흑색 절연체 위에 백색 번호로 표시
With Green/Yellow core
No
With smaller neutral conductor
No
구조
-

치수

치수

코어수
7
도체 단면적
4 mm²
절연평균두께
0.7 mm
시스 평균두께
1.8 mm
외경
16.5 mm
무게(근사치)
500 kg/km
Neutral conductor section (when smaller)
- mm²
도체지름
- mm

전기적 특성

전기적 특성

20° C에서 최대 도체 DC저항
4.61 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
mm² Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al
4.0 35.0 27.0 33.0 26.0 40.0 31.0 45.0 35.0 43.0 33.0 46.0 0.0 49.0 38.0
A1 Insulated conductors in conduit in a thermally insulated wall
A2 Multi-core cable in conduit in a thermally insulated wall
B2 Multi-core cable in conduit on a wooden wall
C Single-core or multi-core cable on a wooden wall
D1 Multi-core cable in ducts in the ground
D2 Multi-core cables designed to be buried directly in the ground
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
mm² Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al
4.0 31.0 25.0 30.0 24.0 35.0 28.0 40.0 32.0 36.0 28.0 39.0 0.0 42.0 32.0
A1 Insulated conductors in conduit in a thermally insulated wall
A2 Multi-core cable in conduit in a thermally insulated wall
B2 Multi-core cable in conduit on a wooden wall
C Single-core or multi-core cable on a wooden wall
D1 Multi-core cable in ducts in the ground
D2 Multi-core cables designed to be buried directly in the ground
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
mm² Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al
4.0 35.0 27.0 42.0 33.0 45.0 35.0 43.0 33.0 46.0 0.0 0.0 0.0
A1 Insulated conductors in conduit in a thermally insulated wall
B1 Insulated conductors in conduit on a wooden wall
C Single-core or multi-core cable on a wooden wall
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
mm² Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al Cu Al
4.0 31.0 25.0 37.0 29.0 40.0 32.0 36.0 28.0 39.0 0.0 0.0 0.0 0.0 0.0
A1 Insulated conductors in conduit in a thermally insulated wall
B1 Insulated conductors in conduit on a wooden wall
C Single-core or multi-core cable on a wooden wall
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
Ft Single-core trefoil cables, touching in free air

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