Customization: | Available |
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Type: | Low-voltage |
Structure: | 35mm DIN-Rail |
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Manufacturer of Professional Solar DC Isolators
The ONCCY DC Isolator Switch is designed with excellence in mind for solar PV systems. As a factory-direct product, it excels in quality and reliability, making it an ideal choice for both residential and commercial solar installations. This switch is a crucial component for disconnecting the DC side of solar inverters. Leading solar brands prefer it due to its consistent performance and protection against over-voltage and overload.
Equipped with special arc extinguishing technology, the ONCCY switch ensures a prolonged electrical lifespan, contributing to the longevity and efficiency of your solar system. Our dedication to quality is demonstrated through our meticulous manufacturing process, where each component undergoes pre-assembly and rigorous inspection to meet the highest standards.
Technical Data
Rated Ccurrent | A | 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 (1ms) | Icw | A | 780 | ||||||
Rated short-time making capacity | Icw | A | 1200 | ||||||
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 |
0.9-1.3 |
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General parameters | |||||||||
Knob positions | 9 o'clock,ON | 12 o'clock,OFF | 3 o'clock,OFF 12 o'clock,ON | ||||||
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) | 8mm | ||||||||
Operation temperature | -40ºC to +85ºC | ||||||||
Store temperature | -40ºC to +85ºC | ||||||||
Pollution degree | 3 | ||||||||
Overvoltage category | II | ||||||||
IP rating of shafte and mounting nut | IP66 |
Layers | EDS7/8 Voltage / curren (DC-PV1) | ||||
2/3/4/6/8/10 |
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 | |
/ | / | 55 | 55 | 55 | |
3T/6T/9T |
/ | / | 32 | 23 | 10 |
/ | / | 40 | 30 | 13 | |
/ | / | 55 | 40 | 20 | |
/ | / | / | 45 | 30 | |
/ | / | 55 | 55 | 55 |