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How to Choose Between a 1-Pole and 2-Pole DC Isolator Switch?
DC isolator switches are essential safety components in photovoltaic (PV) systems. Installed between the PV array and the inverter, they allow manual
• 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 SERIES PV DC FUSE | SRD-30 | SRF-30 |
| Citation standards | IECEN60947-1 IEC/EN60947-3 | EN 60269-1 EN 60269-6 |
| Rated insulation voltage Ui | 1200V | / |
| Rated service voltage Ue | DC1100V | DC1000V |
| Rated service current le | 63A | 63A |
| Different currents in the same current shell frame | 1A-30A | 6A、8A、10A、12A、15A、16A、20A、25A、30A、32A |
| Rated impulse withstand voltage Uimp | 6kA | / |
| Rated acceptable power dissipation | ≤4W | ≤4W |
| Numbers of poles | 1P | / |
| Rated limiting short circuit current | 30kA | 20kA |
| Fuse dimensions for use | φ10mmx38mm | φ10mmx38mm |
| Ingress protection | IP20 | / |
| Use category | PV-0 | PV-0 |
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