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How to reduce DC Isolating Switch failure frequency?
To fundamentally reduce the failure rate of DC isolating switch, you need a three-pronged strategy: selecting arc-resistant, certified components, such as Suntree's specialized models;
• Main-standby power supply, self-returning;
• When any phase of the main power supply circuit fails (powe filure o phase lo , the switch is automaticly inputo the standby power supply ciouit which isusallythree-phase sampling, and the standby power supply is single-phase sampling;
• When the main circuit returns to normal, the switch automatically switches back to the main power supply Loop.
| SQ8P | |
| Product type | Automatic transfer switch |
| Rated current le(A) | 16/20/25/32/40/50/63/80/100/125/160/200/250/400/630/800/1000/1250/1600A |
| Conventional heating current | 100/160/250/630/800/1000/1250/1600/2000/2500/3200A |
| Rated Insulation Voltage/Ui(V) | AC690V |
| Medum strength(M) | 3000 |
| Rated Impulse withstand Voltage/Uimp(V) | 6/8/12 |
| Rated short-circuit capacity Icm(kA peak) | 17/30/50 |
| Frequency(Hz) | 5000 times |
| Electric equipment grade | 50~60Hz |
| Transfer time(S) | 1-1.2S |
| Ambient Temperture | -5C~+35℃ |
| Altitude | not more than 2000m |
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