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 ...
• UV resistance and VO flame retardant material
• Contact Silver Plating, silver layer thickness up to the industry's highest standards
• Arcing Time in 3 ms
• No Polarity
• Lockable at OFF position
• IEC/EN60947.3 standard and AS 60947.3
• Provide 5-year warranty product guarantee
| MAIN PARAMETERS | SISO-60 | ||
| Rated Insulation Voltage | Ui | V | 1500 |
| Rated thermal current | Ith | A | 32 |
| Rated impulse withstand voltage | Uimp | V | 8000 |
| Rated short-circuit making capacity | lew | A | 1kA,1S |
| MAXIMUM CABLE CROSS SECTIONS (INCL. JUMPER) | |||
| Solid | mm² | 416 | |
| Flexible | mm² | 410 | |
| Flexible(+multicore cable end) | mm² | 410 | |
| TORQUE | |||
| Tightening torque terminal screws M4 | Nm | 1.2-1.8 | |
| Tightening torque shell mounting screws ST4.2(304 stainless steel) | Nm | 1.5-2.0 | |
| Tightening torque knob screws M3 | Nm | 0.5-0.7 | |
| Switching on or off Torque | Nm | 0.9-1.3 | |
| The wiring Torque on Base | Nm | 1.1-1.4 | |
| GENERAL PARAMETERS | |||
| Knob positions | 9 o'clock, OFF 12 oclock,ON | ||
| Electrical Life | Actua | 3000 Cycles | |
| Standard | 300 Cycles | ||
| Mechanical Life | Actua | 10000 Cycles | |
| Standard | 10000 Cycles | ||
| Number of DC poles | 2 or 4 | ||
| Rated shortime withstand curent(1s)(lcw) | ℃ | -40 to +85 | |
| Distance of contacts (per pole) | ℃ | -40 to +85 | |
| Pollution degree | 3 | ||
| Overoltage category | Ⅲ | ||
| IP rating of shafte and mounting nut | IP65 | ||
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