Description
The Siemens SIRIUS Soft Starter 3RW5535-6HA04 is a powerful hybrid motor starter engineered to deliver controlled motor acceleration, deceleration, and comprehensive motor protection for demanding industrial environments. Suitable for 200–480 V, 3-phase motors, the device supports operational currents up to 143 A (standard) and up to 248 A in inside-delta configuration. It features adjustable soft-start and soft-stop ramps (0–360 s), torque control, current limiting (125–800%), breakaway pulse, pump control, and DC braking.
The soft starter integrates a bypass contact system for energy-efficient operation and provides full electronic motor protection including overload, phase unbalance, ground-fault monitoring, and thermistor (PTC/Klixon) evaluation. It also supports advanced diagnostics, event logging, and condition monitoring.
The unit is compatible with optional communication modules such as PROFINET (standard/high-feature), PROFIBUS, Modbus RTU/TCP, and Ethernet/IP, enabling seamless integration into automation networks. Additional features include analog output (4–20 mA / 0–10 V), programmable I/Os, emergency operation mode, reversing operation, and application wizards for simplified setup.
With a rugged design—rated for harsh environmental conditions (IEC 60721) and approved for ATEX and IECEx hazardous locations—the 3RW5535-6HA04 ensures reliable performance. It supports vertical installation, offers multiple terminal options, and is rated for operating temperatures from –25°C to +60°C with derating above 40°C.
This soft starter is ideally suited for pumps, compressors, conveyors, fans, and other heavy-duty industrial motor applications requiring precise control and protection.
Reviews
There are no reviews yet.