Product image is representative; revision or series may vary. Contact us to request a specific version.
The Siemens 3RV2021-4PA10 is a circuit breaker dedicated to motor protection within the SIRIUS series. It operates efficiently at voltages ranging from 20 to 690 volts and has a specified insulation voltage of up to 690 volts, providing reliable service even under intense conditions.
We sell industrial automation parts backed by our free 2-Year DO Supply Warranty.
Same-day domestic and fast international shipping with UPS, FedEx, DHL, and more.
AMEX, Visa, MasterCard, Discover, wire transfer, net terms, and more.
Repairs and exchanges are available for all automation products.
Drop shipping, blind shipping, and account shipping with no extra fees.
| Manufacturer | Siemens |
|---|---|
| Product Line | SIRIUS |
| Part Number | 3RV2021-4PA10 |
| UPC | 662643924602 |
| Weight | 1.00 lbs (0.45 kg) |
| Part | Circuit breaker |
| Function | Motor protection |
| Size | S0 |
| Power Loss | 16.25 W in operating state |
| Insulation Voltage | 690 V |
| Surge Voltage Resistance Rated Value | 6 kV |
| Shock Resistance | 25 G |
| Operating Voltage | 20 to 690 V |
| Rated Frequency | 50 to 60 Hz |
| Auxiliary Contacts | 0 |
| Ground Fault Detection | No |
| Phase Failure Detection | Yes |
| Mounting Position | Any |
| Fastening Method | Screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715 |
| Required Space | Yes, 9 mm on each side |
The Siemens 3RV2021-4PA10 circuit breaker, part of the SIRIUS product line, serves specifically for motor protection applications. This component is compact and classified as size S0, making it functional in various setups. It supports an operating voltage range from 20 V to 690 V, making it versatile for different power conditions. In its operating state, it experiences a power loss of 16.25 W, ensuring that protection does not overly compromise efficiency.
The circuit breaker is rated for an insulation voltage of 690 V and possesses a surge voltage resistance rated at 6 kV, which ensures sound performance during voltage spikes. With a shock resistance capability of 25 G, it is built to withstand significant impacts during operation.
This device operates on a frequency range of 50 to 60 Hz and is equipped with no auxiliary contacts. While it offers phase failure detection for operational monitoring, it does not include ground fault detection. The flexible mounting options allow installation in any orientation. Fastening uses both screw and snap-on attachments, complying with the requirements for 35 mm DIN rails according to DIN EN 60715, and it requires a space clearance of 9 mm on both sides for proper installation.