Place of Origin:
GERMANY
Brand Name:
SIEMENS
Model Number:
3RW4435-6BC44
SIEMENS 3RW4435-6BC44 SIRIUS Soft Starter Values At 400 V:
SIRIUS soft starter Values at 400 V, 40 °C standard: 134 A, 75 kW Inside-delta: 232 A, 132 kW 200-460 V AC, 230 V AC Screw terminals. !!! Phased-out product !!! Successor is SIRIUS 3RW5, Preferred successor type is >>3RW5535-6HA14<<.
The Siemens 3RW4435-6BC44 is a high-performance soft starter designed for controlling the acceleration and deceleration of three-phase motors in industrial applications. It provides smooth, stepless starting and stopping, reducing mechanical stress on motors and connected loads. Part of the SIRIUS 3RW44 series, this soft starter supports advanced functions like torque control, voltage ramp, and current limiting, making it ideal for pumps, fans, compressors, and conveyors. Its compact design and integrated bypass contactor optimize energy efficiency during operation.
| Specification | Details |
|---|---|
| Rated Operational Current (Ie) | 134 A (adjustable up to 356 A for specific configurations) |
| Control Voltage | AC 230 V (other voltages available for global applications) |
| Motor Power Range | Up to 75 kW (400 V AC-3) |
| Voltage Range | 200-690 V AC (main circuit) |
| Frequency Range | 50/60 Hz |
| Soft Start Modes | Torque control, voltage ramp, current limit, and pump stopping |
| Communication | Optional PROFIBUS DP module for integration into automation systems |
| Protection | Electronic motor overload protection, phase failure monitoring, and thermal overload protection |
| Mounting | DIN rail or screw mounting |
| Approvals | CE, UL, CSA, RoHS-compliant |
| Ambient Temperature | -25°C to +60°C (derating applies above 40°C) |
| Dimensions (L x W x H) | 323 mm x 336 mm x 224 mm |
| Weight | Approximately 4.98 kg |
| 1FK7033-4CK71-1RG0 | 6SL3224-0BE37-5AA0 | 3RH6911-1HA22 | 6ES5252-5BA11 |
| 6FM1470-3AA25 | 6ES5441-7LA13 | 3RW4435-6BC44 | 6ES5777-1BC01 |
| 6ES5482-7LF31 | 6ES5090-8ME11 | 6ES5701-2LA12 | 6ES5464-8MF11 |
| 6ES5312-5AA21 | 6ES5183-3UA21 | 6ES5451-7LA11 | 6ES5712-8BC50 |
| 6ES5460-7LA11 | 6ES5750-2AA21 | 6ES5470-4UA13 | 7MH3305-1AB |
| 6ES5155-3UA21 | 6ES5984-1UA41 | 6AV3627-6QL00-0BC0 | 6ES5373-1AA41 |
| 6ES5312-5CA21 | 6ES5415-7AB11 | 6ES5377-0AA21 | 6ES5375-0LA21 |
| 6ES5433-8MA11 | 6AV3530-1RR32 | 6FL5700-2BA11 | 6ES5307-0MM11 |
| 6ES5445-3AE11 | 6ES5187-5UA11 | 6ES5733-2BD20 | 6ES5951-7ND12 |
| 6ES5304-3UA11 | 6ES5925-5AA12 | 6ES5242-5AA13 | 6ES5581-0ED12 |
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