Extremely Cold Resistant OPGW

Suitable for overhead lines in extremely cold regions such as Finland，Norway, Scandinavia，northern China and Russia.

(1)OPGW has good mechanical properties and stable fiber optic transmission performance in extremely cold environments; (2)OPGW attenuation ≤ 0.19dB/km@1550nm, additional attenuation ≤ 0.05dB/km at -70 ℃; (3)Solve the problem of OPGW being difficult to operate safely in extremely cold environments, and passed the appraisal in 2017.

IEC 60794-4-10	Aerial optical cables along electrical power lines – Family specification for OPGW
IEEE1138-2009	IEEE Standard for testing and performance for optical ground wire (OPGW) for use on electric utility power lines

Suitable for overhead lines in extremely cold regions such as northern China and Russia.