用途 Application
本產(chǎn)品適用于交流50HZ、額定電壓為500V和750V的控制系統(tǒng)及輸配電系統(tǒng)中。
The product is to used as power distribution system of electricity at rated voltage 750V.
產(chǎn)品特性 Product features
(1)電纜線芯長期允許工作溫度為90℃。
The cable wire core allows long time working temperature of 90℃.
(2)短路時(最長持續(xù)時間不超過5s)電纜導體的溫度不超過250℃。
When core is in short-circuir(max 5s) the temperature should not exceed 250℃.
(3)敷設(shè)電纜時的環(huán)境不低于0℃，最小彎曲半徑應(yīng)不小于電纜外徑的20倍。
While installation the ambient temperature should not be lower than 0℃,ａnd the bending radius should not be less than 20-time.
型號名稱及使用范圍 Type names and usable range
| 型號Type | 名稱 Name | 使用范圍 Usage range |
| BTTQ
BTTVQ
WD-BTTYQ
BTTZ
BTTVZ
WD-BTTYZ | 輕型銅芯護套礦物絕緣電纜
輕型銅芯護套礦物絕緣聚氯乙烯外套電纜
輕型銅芯護套礦物絕緣無鹵低煙聚烯烴外套電纜
重型型銅芯護套礦物絕緣電纜
重型銅芯護套礦物絕緣聚氯乙烯外套電纜
重型銅芯護套礦物絕緣無鹵低煙聚烯烴外套電纜 | 敷設(shè)在室內(nèi)、隧道及管道中，電纜能承受壓力和機械外力作用
For laying in doors,inducts and kin tunels,be able to bear pulling force an presure |
產(chǎn)品結(jié)構(gòu) Cable structure
生產(chǎn)范圍 Manufacture range
| 名稱
Name | 型號
Type | 額定電壓
Rated Voltage (V) | 芯數(shù)
Number of cores | 標稱截面(mm2)
Nominal cores area |
| 輕型礦物絕緣電纜 | BTTQ
BTTVQ
WD-BTTYQ | 500V | 1 | 1-4 |
| 2 | 1-4 |
| 3 | 1-2.5 |
| 4 | 1-2.5 |
| 7 | 1-2.5 |
| 重型礦物絕緣電纜 | BTTZ
BTTVZ
WD-BTTYZ | 750V | 1 | 1-400 |
| 2 | 1-25 |
| 3 | 1-25 |
| 4 | 1-25 |
| 7 | 1-4 |
| 12 | 1-2.5 |
| 19 | 1-1.5 |
