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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;
• Usage: Low Voltage, Solar PV
• Safety Standards: IEC•Type: Thermal DC fuse
• Certification:TVU、CE、IEC
• Short-circuit breaking capacity 33KA
• Plug Design, quick change fusible core Improve efficiency
• Indicator window design, signal of whether the fused core is fused or not (the light is on when it is blown, it is not on)
• PA66 flame retardant material
• Overload protection and short circuit protection
• Busbar design, reliable and beautiful wiring
• Photovoltaic set of strings all need to be equipped with DC fuse protection circuit to remove faults
| SRD-30/SRF-30 | |
| Rated insulation voltage Ui | 1200V |
| Rated service voltage Ue | DC1000V |
| Rated operating current le | 30A |
| Rated impulse withstand voltage Uimp | 6kA |
| Rated acceptable power dissipation | ≤4W |
| Numbers of poles | 1P |
| Rated limiting short circuit current | 30kA |
| Fuse dimensions for use | φ10x38mm |
| Ingress protection | IP20 |
| Use category | PV-0 |
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