According to the requirements of flame retardancy and high voltage breakdown resistance in power environment, YOFC mainly recommends ETFE and TPU sheathing materials.

According to the specific environment of power application, the structure selection is as follows:

• Subunit Cable
• Special twisted optical cable
• Bundle cable - bundled cable with sheath

Subunit Cable

Specifications

Typical Fibre	GI62.5/125	SI105/125	HPCF200/230
Optical Cable Structure
Inner Sheath Material	Hytrel	Hytrel	ETFE
Outer Sheath Material	ETFE	ETFE	TPU
Number of Cable Core Units	1	1	1
Inner Diameter φ (mm)	0.90 ± 0.05	0.90 ± 0.05	0.50 ± 0.03
Subunit Diamete φ (mm)	1.80 ± 0.10	1.80 ± 0.10	2.20 ± 0.10
Reinforcing Element	Aramid	Aramid	-
Mechanical Properties (aramid)
Allow Tensile Force (N) Long-term	100	100	20
Allow Tensile Force (N) Short-term	300	300	100
Crush Resistance (N/100mm) Long-term	60	60	60
Crush Resistance (N/100mm) Short-term	300	300	300
Minimum Bending Radius (mm) Static	15D	15D	15D
Minimum Bending Radius (mm) Dynamic	30D	30D	30D
Temperature Performance
Working Temperature Range (℃)	-20 to +80	-20 to +80	-20 to +80
Storage Temperature Range (℃)	-45 to +85	-45 to +85	-45 to +85
Attenuation
850nm (LED)(dB/km)	≤ 3.5	≤ 6	＜ 8
1300nm (dB/km)	≤ 1.5	--	--

Special Twisted Optical Cable

 

Specifications

Typical Fibre	SI105/125	GI62.5/125
Optical Cable Structure
Subunit Material	ETFE	ETFE
Subunit Structure	Loose Buffer	Loose Buffer
Number of Core Elements	2 - 20	2 - 20
Subunit Diameter φ (mm)	1.80 ± 0.10	1.80 ± 0.10
Mechanical Properties
Minimum Bending Radius (mm) Static	15D	15D
Minimum Bending Radius (mm) Dynamic	30D	30D
Subunit Cable Allow Tensile Force (N) Long-term	100	100
Subunit Cable Allow Tensile Force (N) Short-term	300	300
Subunit Crush Resistance (N/100mm) Long-term	60	60
Subunit Crush Resistance (N/100mm) Short-term	300	300
Attenuation
850nm (laser) (dB/km)	≤ 6	≤ 3.5
Bandwidth
850nm (LED) (MHz·km)	≥ 100	≥ 200
Application Environment	Low dynamic stress environment, excellent flexibility.	The environment with high dynamic stress requirements has high tensile strength.

 

Bundle Cable (Bundled Cable with Sheath)

 

Specifications

Typical Fibre	GI62.5/125	HPCF200/230
Optical Cable Structure
Subunit Material	TPU	TPU
Subunit Structure	Tight Buffer	Tight Buffer
Outer Sheath Material	LSZH	LSZH
Number of Core Elements	3 - 20	3 - 20
Subunit Diameter φ (mm)	2.20 ± 0.10	2.20 ± 0.10
Mechanical Properties
Minimum Bending Radius (mm) Static	20D	20D
Minimum Bending Radius (mm) Dynamic	30D	30D
Subunit Cable Allow Tensile Force (N) Long-term	20	20
Subunit Cable Allow Tensile Force (N) Short-term	100	100
Subunit Crush Resistance (N/100mm) Long-term	60	60
Subunit Crush Resistance (N/100mm) Short-term	300	300
Attenuation
850nm (laser) (dB/km)	≤ 3.5	≤ 8
Bandwidth
850nm (LED) (MHz·km)	≥ 200	≥ 100
Application Environment	Low dynamic stress environment, excellent flexibility.	The environment with high dynamic stress requirements has high tensile strength.