The Siemens 3RW5516-1HA14 is a SIRIUS 3RW55 series High-Performance Soft Starter designed for smooth starting and stopping of three-phase induction motors. It minimizes mechanical stress, reduces starting current, and enhances motor protection, making it ideal for pumps, compressors, conveyors, fans, and industrial automation systems. Featuring integrated motor protection, bypass functionality, and advanced monitoring capabilities, this soft starter improves system reliability and extends equipment life in demanding industrial environments.
• Siemens SIRIUS 3RW55 Series Soft Starter
• Part Number: 3RW5516-1HA14
• Rated operational voltage: 200–480V AC
• Rated operational current: 32A
• Control supply voltage: 110–250V AC
• Suitable for 3-phase induction motors
• Rated motor power: 15kW at 400V (Inline Connection)
• Rated motor power: 22kW at 400V (Inside Delta Connection)
• Integrated bypass contact system
• Adjustable soft start and soft stop functions
• Built-in motor overload protection
• Current limiting functionality
• Pump control and pump stop function
• Torque control for smooth acceleration and deceleration
• Digital monitoring and diagnostics
• Screw terminal connections
• Compact industrial design
• Supports communication modules (PROFINET, PROFIBUS, Modbus TCP, Modbus RTU, EtherNet/IP)
• High operational reliability and reduced maintenance costs
• Complies with IEC 60947-4-2 standards
• Suitable for pumps, fans, compressors, conveyors, and industrial machinery
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3RW55 |
| Part Number | 3RW5516-1HA14 |
| Product Type | Soft Starter |
| Rated Operational Voltage (Ue) | 200–480V AC |
| Control Supply Voltage | 110–250V AC |
| Rated Operational Current (Ie) | 32A |
| Motor Power @ 400V (Inline) | 15kW |
| Motor Power @ 400V (Inside Delta) | 22kW |
| Number of Phases | 3 Phase |
| Starting Method | Soft Start / Soft Stop |
| Current Limiting | Yes |
| Motor Protection | Integrated Overload Protection |
| Bypass Contactor | Integrated |
| Terminal Type | Screw Terminals |
| Digital Inputs | 4 |
| Digital Outputs | 4 |
| Analog Outputs | 1 |
| Mounting Type | Screw Mounting |
| Degree of Protection | IP20 |
| Width | 170 mm |
| Height | 275 mm |
| Depth | 152 mm |
| Weight | Approx. 2.6 kg |
| Operating Temperature | -25°C to +60°C |
| Communication Support | PROFINET, PROFIBUS, Modbus TCP, Modbus RTU, EtherNet/IP |
| Standard Compliance | IEC 60947-4-2 |
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