| Customization: | Available |
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| Type: | Low-voltage |
| Structure: | 35mm DIN-Rail |
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ONCCY DC Isolator is Designed for solar inverter DC side disconnect, Combined with other components, our switches can guarantee complete protection from any form of over-voltage and overloading. With a special instruction for arc extinguishing, we offer increased safety, reliability and longer life.
Technical data
According to IEC/EN60947-3, AS60947.3:2018, UL508i, GB/T14048.3, Utilization category DC-PV1/DC-PV2.
| Model | A | 13 | 20 | 25 | 40 | 50 |
|---|---|---|---|---|---|---|
| Rated insulation voltage Ui (V) | 1500 | 1500 | 1500 | 1500 | 1500 | |
| Rated thermal current Ith (A) | 32 | 40 | 40 | 55 | 55 | |
| Rated impulse withstand voltage Uimp (kV) | 8 | 8 | 8 | 8 | 8 | |
| Rated short-time withstand current (1 ms) Icw (A) | 780 | 780 | 1200 | 1200 | 1200 | |
| Rated short-time making capacity Icm (A) | 1200 | 1200 | 1200 | 1200 | 1200 | |
| Maximum cable cross sections (incl. jumper) | ||||||
| Solid or stranded (mm²) | 4-16 | 4-16 | 4-16 | 4-16 | 4-16 | |
| Flexible (mm²) | 4-16 | 4-16 | 4-16 | 4-16 | 4-16 | |
| Flexible (+ multicore cable end) (mm²) | 4-16 | 4-16 | 4-16 | 4-16 | 4-16 | |
| Torque | ||||||
| Tightening torque terminal screws M4 (Nm) | 1.2-1.8 | 1.2-1.8 | 1.2-1.8 | 1.2-1.8 | 1.2-1.8 | |
| Tightening torque single hole mounting nut M16 (Nm) | 2.0-2.3 | 2.0-2.3 | 2.0-2.3 | 2.0-2.3 | 2.0-2.3 | |
| Tightening torque knob screws M3 (Nm) | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 | 0.5-0.7 | |
| Switching on or off torque (Nm) | 0.9-1.3 | 0.9-1.3 | 0.9-1.3 | 0.9-1.3 | 0.9-1.3 | |
| General parameters | ||||||
| Knob positions | 9 o'clock, OFF | 12 o'clock, ON / 12 o'clock, OFF | 3 o'clock, ON | |||
| Electrical Life | ||||||
| Actual (cycles) | 3000 | 3000 | 3000 | 3000 | 3000 | |
| Standard (cycles) | 300 | 300 | 300 | 300 | 300 | |
| Mechanical Life | ||||||
| Actual (cycles) | 10000 | 10000 | 10000 | 10000 | 10000 | |
| Standard (cycles) | 10000 | 10000 | 10000 | 10000 | 10000 | |
| Distance of contacts (per pole) (mm) | 8 | 8 | 8 | 8 | 8 | |
| Operation temperature (°C) | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | |
| Storage temperature (°C) | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | |
| Pollution degree | 3 | 3 | 3 | 3 | 3 | |
| Overvoltage category | II | II | II | II | II | |
| IP rating of shaft and mounting nut | IP66 | IP66 | IP66 | IP66 | IP66 |
Data according to IEC/EN60947-3, AS60947.3:2018, UL508i, GB/T14048.3. Utilization category DC-PV1/DC-PV2.
FAQ
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