- Contact Person : Mr. Chen Michael
- Company Name : Tongding Group Co., Ltd.
- Tel : 86-512-63873510
- Fax : 86-512-63873512
- Address : Jiangsu,Wujiang,No. 18, Xiaoping Rd., Badu Industrial Zone
- Country/Region : China
- Zip : 215233
Fire-resisting Type Flexible LSZH Cable(WDNA-RYY)
Fire-resisting Type Flexible LSZH Cable(WDNA-RYY)
2. Characteristics of WDNA-RYY
2.1 Nominal voltage(Uo/U):450/750V,0.6/1KV
2.2 Maximum of the Nominal temperature about Conductor:30°C
2.3 Maximum of the Nominal temperature about Conductor after Short Circuit
(less than 4 second):less than 160°C
2.4 Installation temperature:≥0°C
2.5 Cable bending radius:
(1) Unarmored Cable:
ZR type,6×overall diameter
NA type,12×overall diameter
(2) Armored Cable: 20×Cable diameter
2.6 Cabling method:Installed aerially, in duct, cable trough, or underground.
2.7 Installation conditions
2.7.1.1 Installation in the air
Center distance between two parallel-installed single-2 core cables
double the cable diameter for 185mm and2 below cable; 90mm for 240mm and above.
2.7.1.2 Ambient temperature: 30°C.
2.7.1.3 Maximum conductor temperature: 30°C.
2.7.2.1 Installation by burial
Center distance between two non-contact installed
single core cables doubles the cable diameter.
2.7.2.2 Maximum conductor temperature: 30°C.
2.7.2.3 Soil thermal resistance 1.0°C.m/W
2.7.2.4 Burial depth 0.3m
Detailed Technical Parameter
Quality Managments
Company Profile
Jiangsu Tongding Optic-Electronic Stock Co.,Ltd. Founded in 1986,26 years cable manufacturer in China Public Company in 2010,Stock Code:002491 Main Products: Optical fiber and cables,RF coaxial cables (Feeder cables),Communication cable,Low voltage Power Cable etc.. Located in Wujiang(the National Torch Program Industry Area) which is at the boarder of Jiangsu, Zhejiang and Shanghai. Investment of USD155.00 million680000 square meters2016 employees 158 hold senior or median technical certificate Company’s annual output is over USD361.00 million. The pursuit of providing high-quality product and service never stops. Our goal is to win the first place among competitors and challenge world famous enterprises. We will continue to develop our company and support national economy with the spirit of practice, innovation, honesty and endeavor. You are welcome to visit our company and cooperate with us!Fire-resisting Type Flexible LSZH Cable(WDNA-RYY)