Siemens 3RV20314PA10 Motor Starter Protector
Product identity and family position
The 3RV20314PA10 belongs to the Siemens 3RV20 series of motor starter protectors (MSPs) with S2 frame designation. The alphanumeric suffix encodes the thermal overload class and current setting window: "PA" denotes Class 10 with a 28–36 A adjustable range, and the trailing "10" indicates the screw-type terminal variant. This bulk-packed unit carries Active product status and supports DIN Rail mounting in three-pole thermal-breaker form.
Key specifications
| Parameter | Value |
|---|---|
| Current rating | 36 A |
| Overload class | Class 10 (28–36 A adjustable) |
| Breaker type | Thermal |
| Number of poles | 3 |
| Actuator | Rotary |
| Mounting | DIN Rail |
| Illumination | None |
| Package | Bulk |
| Approvals | CCC, CSA, EAC, IECEx, UL |
Catalog comparison within the 3RV20314 series
| MPN | Current range | Class | Aux contacts | Approvals |
|---|---|---|---|---|
| 3RV20314PA10 (primary) | 28–36 A | 10 | None | CCC, CSA, EAC, IECEx, UL |
| 3RV20314PA15 | 28–36 A | 10 | 1NO | ATEX, CCC, CE, CSA, EAC, IECEx, UL, VDE |
| 3RV20314PB10 | 28–36 A | 20 | None | CCC, CE, CSA, EAC, UL, VDE |
| 3RV20314EA10 | 22–32 A | 10 | None | CCC, CSA, EAC, IECEx, UL |
The PA10 shares its 36 A rating and Class 10 thermal element with PA15, differing in auxiliary contact provision (none versus one normally-open) and the expanded approval set on PA15. PB10 maintains the same current band but escalates to Class 20, which provides longer trip times suitable for motor loads with high inrush but reduced thermal stress. EA10 covers a lower 22–32 A window, while KA10, UA10, WA10, and XA10 span higher current ranges (62–73 A, 32–40 A, 42–52 A, and 49–59 A respectively) with Class 10 thermal elements.