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How to reduce DC Isolating Switch failure frequency?
To fundamentally reduce the failure rate of DC isolating switch, you need a three-pronged strategy: selecting arc-resistant, certified components, such as Suntree's specialized models;
•UV and ozone resistant, hydrolysis resistant.
• High temperature resistance, service life of more than 25 years.
• Good flexibility, easy installation and laying.
• Halogen-free and low-smoke material, in line with environmental protection requirements.
• Compatible with all common connectors.
| TECHNICAL INOICATORS | |
| Nominal voltage | U0/U 0.6/1KV(AC)1800DC(non-load) |
| Test voltage | AC6.5KV/5min(20°±0.5) or DC15KV/5min(20°C±0.5) without breakdown |
| Ambient temperature | -40℃~+90℃ |
| Conductor maximum temperature | 120℃ |
| Maximum short circuit temperature | ≤250℃/5s |
| Expected service life | 25 years |
| Bending radius | ≥4D |
| STRUCTURE | |
| conductor | Tinned copper flexible conductor of Class 5 in 2Pfg1169 |
| lnsulation | LSZH electron-beam cross-linked Polyolefin(125℃) |
| sheath | LSZH electron-beam cross-linked Polyolefin(125℃) |
| color | red or black |
| CHARACTERISTICS COMPLIANCE | |
| Fire-resistance | EN 60332-1-2 |
| Acid and alkali solution | EN 60811-2-1 |
| Halogen determination | EN 50267/EN 60684 |
| Weather resistance/UV resistance | HD 605/A1 |
| Compliance certification | ROHS TUV |
| Executive standard | 2 Pfg 1169/08.2007 |
Structural dimensions and parameters
| Model | Specification (mm²) |
Insulation Nominal Thickness (mm) |
Sheath Nominal Thickness (mm) |
Approximate outer diameter (mm) |
Maximum DC resistance of conductor at 20℃ (Ω/km) |
Minimum insulation resistance at 90℃ (mΩ/km) |
| PV1-F | 10 | ≥0.5 | ≥0.5 | 7.3 | 1.95 | 0.42 |
Reference table for quick selection of carrying capacity
| Cross-sectional area | Recommended valueof ampacity (A) | Download traffic conversion factor for different ambient temperatures | |
| Copper conductor | Laying in the air | Ambient temperature ℃ | Conversion factor |
| 10 | 98 | 40 | 0.91 |
Note: Ambient temperature is 30°C; conductor maximum temperature is 90℃
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