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Q3M PC-class Automatic Transfer Switch Stable & Reliable for Backup Power Systems
Q3M series is a PC-class, isolated-type automatic transfer switch (ATSE) for AC 50/60Hz, rated voltage up to 400V power systems. It realizes automatic or manual switching between normal power and standby power to ensure uninterrupted power supply for important loads.
Adopting an isolated switch structure, Q3M features high reliability, strong short-circuit tolerance, and perfect mechanical & electrical interlock. It is widely used in commercial buildings, data centers, industrial power systems, generator sets, and fire-fighting power supply applications.
Model Explanation
Q3M – □□□ / □P
- Q3M: PC-class ATS series
- □□□: Rated current (100A ~ 1600A)
- □P: Number of poles (2P / 3P / 4P)
Key Features
- True PC-class isolated structure, no overcurrent protection, high stability
- Mechanical & electrical dual interlock, avoids dual power closing
- Clear switching status indication, safe and intuitive
- Auto / manual dual operation mode, easy for commissioning
- Strong short-time withstand current, strong impact resistance
- Stable conversion, low noise, long mechanical life
- Compact structure, easy installation and maintenance
- Compliant with IEC 60947-6-1 & GB/T 14048.11
Normal Operating Conditions
- Ambient temperature: -25℃ ~ +40℃
- Altitude: ≤ 2000m
- Relative humidity: ≤ 95% (non-condensing)
- Indoor installation, no corrosive gas, flammable dust or strong vibration
Technical Parameters
| No. | Item | Unit | Value |
|---|---|---|---|
| 1 | Rated Voltage (Ue) | V | 400 |
| 2 | Rated Frequency | Hz | 50/60 |
| 3 | Rated Current (In) | A | 100,160,250,400,630,800,1000,1250,1600 |
| 4 | Insulation Voltage (Ui) | V | 690 |
| 5 | Rated Short-time Withstand Current | kA | 10 ~ 50 |
| 6 | Transfer Time | s | 0.2 ~ 3.0 |
| 7 | Mechanical Life | times | ≥ 8000 |
| 8 | Operation Mode | — | Auto / Manual |
| 9 | Protection Degree | IP | IP20, IP30 |
| 10 | Standards | — | IEC 60947-6-1, GB/T 14048.11 |
Typical Applications
Q3M PC-class ATS is widely used in fields requiring uninterrupted power supply:
- Commercial buildings, shopping malls, banks, hospitals
- Data centers, communication base stations, intelligent buildings
- Industrial plants, petroleum, chemical, metallurgy, water supply
- Fire fighting, emergency lighting, security power systems
- Diesel generator supporting and dual mains switching systems
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