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1.The dual-power automatic transfer switch (ATS) is a newly developed miniature household power transfer switch, is mainly used to test whether the main power or reserve power is normal.
When the normal power supply is abnormal, the reserve power supply will start work immediately to ensure continuity, reliability and safety of the power supply. It is specially designed for household rail installation for PZ30 distribution box.
2.The ATS is suitable for emergency power supply systems of AC50 or 60Hz and rated voltage 400V. It is featured with firm structure, reliable transfer, easy installation and maintenance, and long life, is widely used in places where frequent power outage is not allowed. Both electric and operation and manual operation are available. The ATS is composed of TES and controller.
3.According to the standard GB/T14048.11 Part 6-1: Multiple function equipment - Transfer switching equipment, we can know that ATS is the most suitable low-voltage switchgear and control device.
| Datasheet for ATS Model GCQ4-125 (2/3/4P) | |
| Model | GCQ4-125 |
| Current Rating (A) Ie | 16,20,25,32,40,50,63,80 (100A is under improvement) |
| Rated Insulation Voltage (Ui) | AC690V, 50Hz |
| Rated Operational Voltage (Ue) | AC230V (2P), AC400V(3/4P), 50Hz |
| Class | PC (connect and load isolation,but not breaking short-circuit current) |
| Use Category | AC-31B, AC-33iB |
| Conformity to standard | GB14048.11 (Equivalent to IEC60947-6-1) |
| Number of Poles | 2, 3, 4 |
| Weight | 1.7kg (2P), 2.1kg (3P), 2.6kg (4P) |
| Operational Mode | Auto/Manual by select switch |
| Numbers of Cycles | 2,000 (with current) 5,000 (without current) |
| Rated Making and Breaking Capacity | 6.0Ie, 1.05Ue, cosϕ=0.5+/-0.05, 50 cyles |
| Rated Conditional Short-circuit Current Iq | 50kA |
| SCPD (fuse) | RT16-00-63A/80A |
| Rated Impulse Withstand Voltage (Uimp) | 6kV |
| Control Circuit | Rated Control Voltage (Us) 230V Normal Working Condition: 85%~100%Us |
| Auxiliary Circuit | 2 separate relays, each group contains 2 passive changeover contacts |
| Operational Sequence | I-II/II-I |
| Contact Transfer Time | <50ms |
| Operation Transfer Time | <50ms |
| Back Transfer Time | <50ms |
| Diconnecting Power Time | <50ms |
| IP Rating | IP43 (plastic case, except for lug terminals; can reach IP55 when installed in an enclosure) |
| Case Material | Fire Retardant Nylon |
| Ambient Temperature | -10-60 Deg.Celsius |
| Relative Humidity | max.90% |
| Pollution Degree | 3 |
| Install Mount | Mountable on standard DIN 35mm Rail |
| Product Dimension | 2P - 105.5x104x77.5mm 3P - 123.5x104x77.5mm 4P - 141x104x77.5mm |
Normal running time and installation conditions
1.Ambient air temperature
Temperature should be within -5℃~40℃, and the average temperature within 24h should not exceed 35℃.
2.Altitude
Altitude of the installation site should not exceed 2000m.
3.Atmospheric conditions
The relative humidity of the installation site should not exceed 50% at maximum temperature 40℃, and it will be higher at minimum temperature -5℃, for instance, 90% at +20℃. Please take measures for the dew on product surface caused by temperature change.
4.Class of pollution
Pollution class of ATS meets the specified level of GB/T14048.11.
5.Installation category
Installation category of ATS meets the specified category in GB/T14048.11
Matterts need attention
1.Manual/automatic operation
ATS with automatic operation can ensure power generation and power-off performances, but for ATS with manual operation , it cannot ensure the above performance due to the speed of power generation and power-off or operator differences. Excessive silver alloy loss may occur during manual power generation and power down. Therefore, set the selector switch at the manual position under normal condition, and pull it to the manual position when all power is turned off to check and maintain the operating system and contacts. After the manual operation is completed pull the selector back to the automatic position.
2.Control circuit
ATS will be active in an instant. After the conversion is complete, the coils in the control circuit are disconnected by the internal converter. The coil can operate normally with a rated voltage of 80%~110%, and too low voltage may cause the coil to heat up or even ignite.
