| Customization: | Available |
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| Type: | Low-voltage |
| Structure: | 35mm DIN-Rail |
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Manufacturer of Premium Solar DC Isolators
The ONCCY DC Isolator Switch exemplifies excellence in solar PV system technology. As a factory-direct offering, it boasts unparalleled quality and dependability, making it ideal for both residential and commercial solar installations. This switch serves as a crucial component for disconnecting the DC side of solar inverters. Leading solar brands prefer it for its consistent performance and robust protection against over-voltage and overload conditions.
Equipped with special arc extinguishing technology, the ONCCY switch ensures a prolonged electrical lifespan, contributing to the long-term durability and efficiency of your solar system. Our dedication to quality is reflected in our meticulous manufacturing process, where each component undergoes pre-assembly and rigorous inspection to meet the highest standards.
With options such as the IP66-rated enclosure, the ONCCY DC Isolator Switch offers flexibility to accommodate various inverter types and environmental conditions. Place your order now to benefit from substantial discounts and invest in the safety and efficiency of your solar installations.
Product Benefits
Technical Data
| Main Parameters | 13 | 20 | 25 | 40 | 50 | ||
| Rated insulation voltage | Ui | V | 1500 | 1500 | 1500 | 1500 | 1500 |
| Rated thermal current | Ith | A | 32 | 40 | 55 | 55 | 55 |
| Rated impulse withstand voltage | Uimp | V | 8000 | ||||
| Rated short-time withstand current (1s) | Icm | A | 780 | ||||
| Rated short-time making capacity | Icm | 1200A | |||||
| Maximum cable cross sections (incl. jumper) | |||||||
| Solid or standard | mm² | 4-16 | |||||
| Flexible | mm² | 4-16 | |||||
| Flexible (+ multicore cable end) | mm² | 4-16 | |||||
| Torque | |||||||
| Tightening torque terminal screws M4. | Nm | 1.2-1.8 | |||||
| Tightening torque single hole mounting nut M16 | Nm | 2.0-2.3 | |||||
| Tightening torque knob screws M3 | Nm | 0.5-0.7 | |||||
| Switching on or off torque | Nm | 0.9-1.9 | |||||
| General parameters | |||||||
| Knob positions | 9 o'clock OFF, 12 o'clock, ON | ||||||
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Electrical Life |
Actual | 3000 Cycles | |||||
| Standard | 300 Cycles | ||||||
|
Mechanical Life |
Actual | 10000 Cycles | |||||
| Standard | 10000 Cycles | ||||||
| Number of DC poles | 2 or 4 (6/8 geek choice) | ||||||
| Distance of contacts (per pole) | mm | 8 | |||||
| Operation temperature | ºC | -40 to +85 | |||||
| Store temperature | ºC | -40 to +85 | |||||
| Pollution degree | 3 | ||||||
| Overvoltage category | III | ||||||
| IP rating of shafte and mounting nut | IP66 | ||||||
| Number of layers | Voltage/Current (DC-PV1) | ||||
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2/4 |
600Vdc | 800Vdc | 1000Vdc | 1200Vdc | 1500Vdc |
| 32 | 26 | 13 | 10 | 5 | |
| 40 | 30 | 20 | 12 | 6 | |
| 55 | 45 | 25 | 15 | 8 | |
| / | 50 | 40 | 30 | 20 | |
| / | 55 | 50 | 40 | 30 | |
|
4T/B/S |
/ | / | 32 | 26 | 13 |
| / | / | 40 | 30 | 20 | |
| / | / | 55 | 40 | 30 | |
| / | / | / | / | 45 | |
| / | / | / | / | 50 | |
FAQ
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