Siemens SIRIUS 3RA6120-0AB30 compact starter, direct starter design, 53 kA at 400 V, adjustable CLASS 10 and 20, 24 V AC/DC, DIN rail mount, 165 x 45 x 170 mm.
| Parameter | Value |
|---|---|
| Product designation | compact starter |
| Main circuit poles | 3 |
| Brand | SIRIUS |
| Product design / construction | direct starter |
| Reference designation (IEC 81346-2) | Q |
| Parameter | Value |
|---|---|
| Rated motor power at 400 V | 90 W |
| Rated current at 480 V | 0.4 A |
| Rated current at 600 V | 0.4 A |
| Rated impulse withstand voltage (Uimp) | 6 000 V |
| Parameter | Value |
|---|---|
| Trip class | CLASS 10 and 20 adjustable |
| Short-circuit protection | Yes |
| Overload release setting range (current) | 0.1 ... 0.4 A |
| Duty / utilization type (IEC 60947-6-2) | continous operation according to IEC 60947-6-2 |
| Parameter | Value |
|---|---|
| Rated voltage range at 50 Hz | 24 V |
| Auxiliary contacts, NO | 1 |
| Auxiliary contacts, NC | 1 |
| Auxiliary switch extension | Yes |
| Parameter | Value |
|---|---|
| Mounting / fastening method | screw and snap-on mounting |
| Mounting position | any |
| Width | 45 mm |
| Height | 170 mm |
| Depth | 165 mm |
| Parameter | Value |
|---|---|
| Operating temperature range | -20 ... +60 °C |
| Storage temperature range | -55 ... +80 °C |
| Transport temperature range | -55 ... +80 °C |
| Pollution degree | 3 |
The Siemens 3RA6120-0AB30 is a SIRIUS compact starter configured as a direct starter, meaning it combines a contactor and overload relay in a single 45 mm-wide package for controlling and protecting a motor branch circuit. The overload relay is adjustable between CLASS 10 and CLASS 20 trip curves, so you can set it for standard motor starts (CLASS 10) or longer acceleration times (CLASS 20) without swapping the unit.
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