Siemens 3RW5075-6TB14 Soft Starter
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Soft Starter
Siemens SIRIUS 3RW5075-6TB14 soft starter from the 3RW50 series delivers 370 A at 40°C and supports up to 200 kW motors. Provides smooth starting, integrated protection, and compliance with global industrial standards.200kW3RW503RW5075-6TB1460947-4-2ACDeviceHybridIECIndustrialmotorsemiconductorSiemensSiriusSoftStarterSwitching
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Siemens SIRIUS 3RW5075-6TB14 AC Semiconductor Motor Starter (Soft Starter)
The Siemens SIRIUS 3RW5075-6TB14 is a high-performance AC semiconductor motor starter from the 3RW50 series. Engineered for reliable motor starting, it provides smooth acceleration, advanced protection, and energy-efficient operation for industrial applications. Designed with hybrid switching technology, it ensures durability and compliance with global standards.
Manufacturer: Siemens
Type: AC Semiconductor Motor Starter (Soft Starter)
MNR: 3RW5075-6TB14
Series: 3RW
Product Brand Name: SIRIUS
Product Category: Hybrid Switching Devices
Product Type Designation: 3RW50
Issue: E02
Version: V1.0.2
| Power Rating | 370 A (AC-53a, 40°C), up to 200 kW at 400 V |
| Voltage | 3-phase, 200“480 V AC, 50/60 Hz |
| Control Voltage | 110 to 250 V AC |
| Rated Impulse Voltage (Uimp) | 4 kV |
| Motor Applications | AC-53a duty, suitable for squirrel cage motors |
| Auxiliary Contacts | 1 NO + 1 NC |
| Short Circuit Rating | 18 kA (600 V, Class L fuse), 10 kA at 480 V |
| Protection Features | Overload and short circuit protection, thermistor input, built-in bypass contacts |
| Enclosure | Open type, fan cooled |
| Standard Compliance | IEC 60947-4-2, IEC/EN 60947-8A, GB/T14048.6 |
| Certifications | CE, UL Listed, CSA, UKCA, EAC |
| Protection Class | IP00; IP20 with cover |
| Ambient Temperature (Operation) | -25 to +60 °C |
