What is a DC Surge Protective Device？
DC Surge Protective Devices (SPD) are essential for safeguarding electronic systems from voltage spikes, ensuring both reliability and efficiency. Their ability to absorb and redirect excess voltage helps ...
• Short circuit protection, overload protection
• High breaking capacity, up to 8kA
• No positive and negative poles,
can be reversed, easy to connect
• Rated working current to 125A
• Opening distance>9mm, quickly cut off the arc
• Labyrinth arc interrupter
• U-shaped magnetic blowing structure,
improve the ability of disaster arc
• 7 rivets ensure wiring reliability
• Busbar design, reliable and beautiful wiring
• Unique shape design
• DC products with complete accessories,
photovoltaic and energy storage systems
| SL7N-125D | |
| Pole | 1P, 2P, 3P,4P |
| Rated current In(A) | 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A; |
| Rated voltage Ue(V) | 1P(DC440V, DC600V), 2P(DC800V, DC1000V), 3P(DC1200V, DC1500V);4P(DC1500V); |
| Different currents In the same current shellframe | 6A、10A、16A、20A、25A、32A、40A、50A、63A |
| Rated ultimate short circuit breaking capacity(Icu) | 5kA/1500V |
| Running breaking capacity(Ics) | 5kA/1500V |
| Mechanical life | 10000 |
| Electrical life | 2000Times |
| Certificate |  |
| Rated impulse withstand voltage(Uimp) | 8kV |
| Overvoltage category | Ⅲ |
| Class of pollution | 3 |
| Ingress protection | IP40; terminal IP20 |
| Resistance to heat and humidity | Class 2 |
| Relative humidity | ≤95% |
| Installation | din |
| Relative humidity | +50℃ not more than 95% |
| Wiring polarity requirements | NO |
| Working temperature | -40℃-+75℃ |
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