Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated operational current at 40 °C | 29 A |
| Motor capacity at 400 V and 40 °C | 15 kW standard circuit; 22 kW inside-delta circuit |
| Operating voltage | 200 … 460 V standard circuit; 200 … 460 V inside-delta circuit |
| Control supply | 230 V AC at 50 Hz and 60 Hz |
| Operating frequency | 50 … 60 Hz |
| Mounting | Screw fixing; vertical mounting surface +/-90° rotatable and +/- 22.5° tiltable to the front and back |
| Main current connection | Box terminal |
| Auxiliary and control connection | Spring-loaded terminals |
| Front protection | IP20 according to IEC 60529 |
| Product lifecycle | Start of final year of support; preferred successor type 3RW5516-3HA14 |
Key Features
29 A at 40 °C; 26 A at 50 °C and 23 A at 60 °C.
At 400 V and 40 °C: 15 kW in standard circuit or 22 kW in inside-delta circuit.
200 … 460 V rated value in standard circuit and inside-delta circuit.
Has intrinsic device protection, motor overload protection, evaluation of thermistor motor protection, external reset, and adjustable current limitation.
Uses a box terminal for the main current circuit and spring-loaded terminals for auxiliary and control circuits; screw fixing.
Start of final year of support. Preferred successor type: 3RW5516-3HA14.
Frequently Asked Questions
What is the exact product line item?
It is the Siemens SIRIUS 3RW4422-3BC44 soft starter.
What current and motor capacity does it have?
The rated operational current is 29 A at 40 °C. At 400 V and 40 °C, capacity is 15 kW in standard circuit or 22 kW in inside-delta circuit.
What supply and connections are provided?
The control supply is 230 V AC at 50 Hz and 60 Hz. The main current circuit uses a box terminal, while auxiliary and control circuits use spring-loaded terminals.
How is the unit mounted and protected?
It uses screw fixing and has IP20 front protection according to IEC 60529. The required side-by-side spacing is 100 mm upwards, 5 mm at the side, and 75 mm downwards.
What should be included with a quotation request?
Include the exact line item, requested quantity, destination, schedule context, and any additional BOM lines.
