Sowest Electric
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| Parameters | Values |
|---|---|
| Conventional thermal current Ith | 2500A, 3000A |
| Copper rated insulation voltage Ui | 1000V |
| Rated impulse withstand voltage Uimp | 12KV |
| Copper rated working voltage Ue | AC440V |
| Copper rated working current Ie | 2500A, 3000A |
| Rated connection capacity | 10Ie |
| Rated breaking capacity | 10Ie |
| Rated limited short circuit current | Fuse for protection / circuit breaker for protection (120KA / 65KA) |
| Transfer time I-II | 2.4S |
| Control voltage of the switch motor Us | DC24V AC220V AC280V |
| Start / Normal | 88W |
| Use category | AC-33A |
Our Automatic Transfer Switch consists of SKT, SKQ and ASKQ series. We provide perfect solution with product from general performance CB class to high performance PC class, from none-frequently transfer to frequently transfer.
Our product covers a wide current range from 6A to 6300A innovatively, and easily meets the various requirements of load in civil, industrial and commercial fields.
Our product is suitable for 1, 2, 3 classes of low voltage power distribution system. Our perfect feature configuration satisfies the power switching between utility-utility, utility-generator, generator-generator and more load's uninterruptible backup power supply.
Our product is in compliance with related IEC/GB technical standards, is manufactured according to international standards, and has obtained Chinese compulsory certificate (CCC) and European certificate (CE).
SKT series dual power automatic transfer switch is the most advanced third generation product. Its class is PC and its usage category is AC-33A frequently operate electrical transfer switch.
It's suitable to be used in 50/60Hz 10A-3200A low voltage AC power distribution system for reliable transfer between two power supplies.
It has four working modes: Automatic, Electric, Emergency Manual and Locking.
| Type | SKT2 Series | SKT1 Series | |||||||||||
| Shell frame grade current (Inm) | 100A | 160A | 250A | 630A | 1600A | 3200A | |||||||
| Rated current (In) | 100 | 125A | 160 | 250 | 400 | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3200 |
| Conventional thermal current (Ith) | 10, 16, 20, 25, 32, 40, 50, 63, 80, 100A | 63, 80, 100, 124, 140, 150, 160A | 160, 180, 200, 225, 250A | 160, 180, 200, 225, 250, 315, 350, 400, 500, 630A | 800, 1000, 1250, 1600A | 2000, 2500, 3200A | |||||||
| Rated insulation voltage of copper bar (Ui) | 660V | 800V | |||||||||||
| Rated impulse withstand voltage (Uimp) | 6KV | 8KV | |||||||||||
| Rated operating voltage of copper bar (Ue) | AC400V | ||||||||||||
| Use category | AC-33A | ||||||||||||
| Rated operating current of copper bar (Ie) | 10, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 140, 150, 160, 180, 200, 220, 250, 315, 350, 400, 500, 630A | 800, 1000, 1250, 1600, 2000, 2500, 3000A | |||||||||||
| Rated making capacity | 10Ie | ||||||||||||
| Rated breaking capacity | 10Ie | ||||||||||||
| Rated limit short-circuit current | 7KA | 13KA | 35KA | 50KA | 75KA | ||||||||
| Transferring time I-II or II-I | 1.2S | 0.6S | 1.2S | 2.4S | |||||||||
| Rated operating voltage of the control power Us | AC220V (Special voltage DC24V, DC110V, DC220V, AC110V, AC280V) | ||||||||||||
| Start Power | 40W | 325W | 355W | 400W | 440W | 600W | |||||||
| Normal Power | 18W | 62W | 74W | 90W | 98W | 120W | |||||||
| Net weight (kg) 4 poles | 3.5 | 5.3 | 5.5 | 7 | 17 | 17.5 | 37 | 44 | 98 | ||||
| Category | Requirements |
|---|---|
| Temperature | -5ºC to +40ºC, 24H average not more than +35ºC |
| Humidity | In the +40ºC conditions, the average humidity not more than 50%, no condensing |
| Altitude | <2000m, if used at higher than 2000 meters, please use the product at lower ratings |
| Vibration and gas | Free of strong vibration and impact, harmful gases leading to corrosion against metals and damage to insulation |
| Surrounding material | Free of thick dust, conductive particles and explosive material |
| Class of pollution | III |
| IP classification | IP20 |
| Storage requirements | Stored at -30ºC to 70ºC, in a dry environment without corrosion or salts, and the longest period of storage shall be no more than 1 year |
| Installation | Vertically or horizontally |
| Wiring | The standard type is suitable for upper-in and lower-out wiring. Do not wire reversely. The type for lower-in and upper-out wiring can be customized. |
| Current (A) | Switch Lmax (mm) | Switch Wmax (mm) | Switch Hmax (mm) | Recommended cabinet L*W*H (mm) | Compact cabinet L*W*H (mm) |
|---|---|---|---|---|---|
| 10~100 | 290 | 195 | 142 | 500 x 400 x 800 | 500 x 250 x 600 |
| 125-160 | 290 | 195 | 142 | ||
| 250 | 359 | 195 | 170 | ||
| 400-630 | 433 | 262 | 270 | 600 x 500 x 1800 | 550 x 450 x 1600 |
| 800-1250 | 633 | 321 | 350 | 800 x 600 x 2000 | 720 x 600 x 1800 |
| 1600 | 633 | 321 | 407 | 800 x 600 x 2200 | 720 x 600 x 2000 |
| 2000-3200 | 633 | 500 | 470 | 800 x 800 x 2200 | 720 x 800 x 2000 |
Before we receive the first order, please afford the sample cost and express fee. The sample cost will be returned back to you within your first order.
For existing items, samples can be prepared and dispatched within 3 days.
Yes. We can print your Logo on both the products and the packages if you can meet our MOQ.
The MOQ is 1pcs for the ATS. Normally, ATS units rated less than 1000A are kept in stock for quick delivery support.
We guarantee quality through strict detection during production one by one, followed by strict inspection on products one by one before shipment to ensure intact product packaging.
The SKT series dual power automatic transfer switch features four distinct working modes: Automatic, Electric, Emergency Manual, and Locking.
