The 4mm2 DC cable is specialized in PV stations with the maximum ambient temperature of 90 ℃ while operating. According to 2PfG 1169/08. 2007, the cable is suitable for the maximum allowable DC voltage of 1.8 KV (in non-grounded system, core-to-core).
Application Scope
According to 2PfG 1169/08. 2007, the 4mm2 DC cable is suitable for single-core flexible cables (wires) with a maximum allowable DC voltage of 1.8 KV (core-to-core, non-grounded system) and used on the DC side in photovoltaic systems. This product is suitable for use under Class II safety level. The ambient temperature of cable operation is as high as 90 ℃, and multiple cables can be used in parallel.
Type
FX-PV1-4
Operating Characteristics
Voltage level：
AC：U0/U 0.6/1KV，DC：1.8KV
Maximum allowable operating voltage（AC）：0.7/1.2KV
Maximum allowable operating voltage（DC）：0.9/1.8KV
Test voltage：
AC：6.5KV，DC15KV
Time：5 minutes
Temperature range：
Ambient temperature:-40˚C ~ +120˚C (moving or fixed)
The maximum temperature in case of short circuit (within 5 seconds) is no more than 200˚C.
The bending radius of the cable shall not be less than 4 times the outer diameter of the cable.
The insulation and sheaths are made from cross-linked polyolefin material.
The cable' thermal service life, as is assessed, shall meet the requirement of being no less than 25 years.
The cable is halogen-free and flame retardant, and its performance conforms to 2PfG 1169/08. 2007.
The cable not only has excellent weather resistance, ultraviolet and ozone resistance, but also can withstand a wider range of temperature changes (e.g. -40˚C ~ 120˚C).
The cable has excellent penetration resistance and its performance conforms to 2PfG 1169/08. 2007.
Current Carrying Capacity
Ambient temperature：60℃ Operating temperature：120℃
|
Conductor section mm² |
Laying method |
||
|
Single core in air A |
Single-core cable laying on equipment surface A |
Laying next to equipment surface A |
|
|
4 |
55 |
52 |
44 |
The deviation of ambient temperature is conversion factor of the carrying capacity
|
Ambient temperature ℃ |
Conversion factor |
|
Up to 60 |
1.00 |
|
70 |
0.91 |
|
80 |
0.82 |
|
90 |
0.71 |
|
100 |
0.58 |
|
110 |
0.41 |
Structural Dimensions and Main Technical Parameters
|
Nominal cross-sectional area of conductor mm² |
Conductor Structure n×mm |
DC resistance of conductor Ω/km |
Reference outer diameter of conductor mm |
Reference outer diameter of cable mm |
Reference weight of cable kg/km |
|
4.0 |
56/0.290 |
5.09 |
2.55 |
6.5 |
70.6 |
Note: The outer diameter of the cable is the reference value which can be negotiated if customers require.
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