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 ...
• Non-polarity DC Isolator Switch
• Modular design, optional 2-10 levels.
• Positive contact or reverse contact optional.
• Single Hole Mounting, Panel Mounting, Distribution Board, Door Clutch or Enclosure optional
• Dynamic sealing design and world class sealing materials guarantee an IP66 protection rate.
• DC 1500V insulation voltage design, passed IEC/EN60947-3:2009+A1+A2, AS60947.3, UL 5081,GB/T14048.3 test, with TUV, CE, CB, SAA, UL, CCC certifications.
| MAIN PARAMETERS | ||||||
| Rated Courent (A) | 13 | 20 | 25 | 40 | 50 | |
| Rated insulation votage (Ui) | 1500 | 1500 | 1500 | 1500 | 1500 | |
| Rated thermal curentth (Ith) | 32 | 40 | 55 | 55 | 55 | |
| Rated impulse withstand votage (Ulimp) | 8000V | |||||
| Rated shorttime withstand curent (1s) (lcw) | 780A | |||||
| MAXIMUM CABLE CROSS SECTIONS (INCL. JUMPER) | 6kA | |||||
| Solid or stranded | 4-16mm² | |||||
| Flexible | 4-16mm² | |||||
| Flexible (+multicore cable end) | 4-16mm² | |||||
| TORQUE | Altitude not exceeding 2000m. | |||||
| Tightening torque terminal screws M4 | 1.2-4.8Nm | |||||
| Tightening torque single hole mounting nut M16 | 2.0-2.3Nm | |||||
| Tightening torque knob screws M3 | 0.5-0.7Nm | |||||
| Switching on or off torque | 0.9-1.3Nm | |||||
| GENERAL PARAMETERS | ||||||
| Knob positions | 12 o'clock OFF, 3 o'clock ON (9 o'clock OFF, 12 o'clock ON) | |||||
| Electrical Life | Actua | 3000 Cycles | ||||
| Standard | 300 Cycles | |||||
| Mechanical Life | Actua | 10000 Cycles | ||||
| Standard | 10000 Cycles | |||||
| Number of DC poles | 2 or 4 (6/8 optional) | |||||
| Rated shortime withstand curent (1s) (lcw) | 780A | |||||
| Distance of contacts (per pole) | 8mm | |||||
| Operation temperature | -40℃ to +85℃ | |||||
| Store temperature | -40℃ to +85℃ | |||||
| Pollution degree | 3 | |||||
| Overvoltage category | Ⅱ | |||||
| IP rating of shafte and mounting nut | IP65 | |||||
GET A QUOTE