Siemens 3RW4423-1BC34 SIRIUS Soft Starter - 32A Standard
Siemens SIRIUS soft starter, 32A standard rating, 200-460V AC input.
The Siemens SIRIUS Soft Starter, part number 3RW4423-1BC34, is designed to provide smooth acceleration for three-phase motors. At 460V and 50°C, it offers a standard rating of 32A and an inside-delta rating of 55A, suitable for motors up to 20 hp. This unit operates on AC input voltages ranging from 200-460V and features convenient screw terminals for connection. Please note that this is a phased-out product.
This soft starter is crucial for applications where reducing mechanical stress during motor start-up is important, such as in conveyor systems, pumps, and fans. It helps to prevent shock loads and extend the lifespan of both the motor and the driven equipment. The successor is the SIRIUS 3RW5 series, with the preferred successor type being 3RW5517-1HA14.
Stanlo Automation, your veteran-owned surplus industrial parts distributor, has the Siemens 3RW4423-1BC34 available. Secure this component or explore its successors through us to maintain your motor control systems.
| Part Number | 3RW4423-1BC34 |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Standard Rating (50°C) | 32 A, 20 hp at 460 V |
| Inside-Delta Rating (50°C) | 55 A, 40 hp |
| Input Voltage | 200-460 V AC |
| Terminals | Screw terminals |
| Status | Phased-out Product |