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| Customization: | Available |
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| Warranty: | 2 Year |
| Brand: | Radin |
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| Product Name | RDS3 Series Dual Power Automatic Transfer Switch |
| Type | Class PC |
| Standard | IEC 60947-6-1 |
| Poles | 3P/4P |
| Use Category | AC-33B |
| Type | RDS3-125 | RDS3-250 | RDS3-630 | |
| Rated Working current (A) le | 125A | 250A | 630A | |
| Rated Working voltage (V) Ue | 400 | 400 | 400 | |
| Rated Insulation voltage (V) Ui | 800 | 800 | 800 | |
| Rated impulse withstand voltage (KV) Uimp | 8 | 8 | 8 | |
| Use categeory | AC-33B | AC-33B | AC-33B | |
| Rated short time withstand current (KA,rms) Icw | 10KA (200MS) | 10KA (200MS) | 25KA (200MS) | |
| Rated short circuit making capacity (KA,peak) Icm | 20KA | 30KA | 50KA | |
| Rated limit short circuit current (KA)Iq | 120kA | 120kA | 120kA | |
| Rated control power supply voltage (V) Us | 230V | 230V | 230V | |
| Contact transfer time (s) | 1.5 | 1.8 | 2 | |
| Operation cycles |
no electricify | 8500 | 7000 | 3000 |
| with electricify | 1500 | 1000 | 1000 | |
| Total | 10000 | 8000 | 4000 | |
| Outline size (mm) WxDxH | 245×130×122 | 295×175×175 | 430×272×228 | |
| Weight (kg) | 5 | 10 | 20 | |
| B type controller | E type controller | |||||
| Control power voltage |
AC230V | |||||
| Auto transfer | Auto transfer auto recovery, auto transfer no auto recovery, power grid-generator | |||||
| Manual transfer | Manual main power, manual backup power, manual OFF | |||||
| Isolation lock | Off position have isolation function, also can be padlock locked | |||||
| Generator control | Generator start and stop | |||||
| Fire linkage | with passive fire linkage signal to switch OFF the device, with one set passive NO feedback contact | |||||
| Display mode | Mechanical indication: device ON/OFF status, operating mode LED: Running status LED indicator for I/II POWER source and I/II ON/OFF status |
Mechanical indication: device ON/OFF status, operating mode LED: Running status LED indicator for I/II POWER source and I/II ON/OFF status LCD: Settable keyboard and voltage, frequency, display. |
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| Controller features | Three phase over/under voltage monitering. |
Set I/II/NO source priority, over/low-voltage value, over/under frequency value, transfer time delay, weekly/monthly/engine exerciser. | ||||
| Power monitoring | ABC three phase over-voltage 265V ABC three phase low-voltage 187V ABC three phase voltage missing monitor (other voltage customizable) |
ABC three phase over-voltage (240-290V adjustable) ABC three phase low-voltage (150-200V adjustable) ABC three phase voltage missing monitor (other voltage customizable) |
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| Delay time | Transfer delay (0-300s adjustable) Recovery delay (0-300s adjustable) Generator start, stop delay (0-300s adjustable) |
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| Mounting mode | Integated mounting | LCD separable mounting | ||||
| RDS2 | RDS3 | |
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| Controller Functions | Similar | |
| Utilization Category (IEC) | AC-32B | AC-33B |
| Certificates | CE, RoHS | TUV, CE |
| Contacts and Copper | Silver coated copper | High density silver alloy with technical know-how |
| LCD | Selectable | Selectable |
| Arc Chutes | No | Yes |
| Size | Compact | Smaller than RDS2 |