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The Siemens 3RW4422-1BC35 Soft Starter is a reliable and efficient solution for motor control in industrial applications. Part of the SIRIUS series, this size 2 soft starter is designed to reduce mechanical stress and power surges during motor startup, extending the life of equipment and enhancing operational efficiency.
It supports a wide voltage range of 400-600 V AC and features screw terminals for both main and auxiliary circuits, ensuring a secure and straightforward connection. The soft starter offers performance values of:
This product is a new surplus item and comes in original packaging. It is fully functional, in excellent condition, and ready for immediate use.
| Brand | Siemens |
| Series | SIRIUS 3RW44 |
| Voltage Range | 400-600 VAC |
| Current Ratings | 23 A / 26 A / 29 A |
| Frequency | 50-60 Hz |
| Motor Ratings | 15 hp / 20 hp / 30 hp / 40 hp |
| Wattage | 15/18.5/22/30 kW |
| Coil Voltage | 115 VAC |
| Poles | 3 |
| Phase | 3-Phase |
| Auxiliary Ratings | B300/R300 |
| Reset Feature | External |
| Connections | Screw Terminals |
| Enclosure | IP00 |
| Dimensions | 7.24 in H x 6.69 in W x 10.63 in D |
| Operating Temperature | 0 to 60°C |
For additional details, download the product documentation below:
Green Bird Electric Solutions is not an authorized dealer, distributor, or affiliate for the manufacturers of this product. Some products offered on our website are used surplus items and may have older date codes or be from an older series than what is currently available directly from the manufacturer or authorized dealers.
Because we are not an authorized distributor for these products, the Original Manufacturer’s warranty does not apply. These items are sold as-is, and while we ensure they are fully functional and in accurate condition at the time of sale, we do not provide warranty. All sales of surplus items are considered final.
Shipping costs may vary depending on your location. Please contact us to arrange shipping details and costs before placing your order.
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
US$40
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