Product details
Overview
The Siemens SIRIUS 3RW4056-6BB44 soft starter combines power, reliability, and compact design for industrial motor control.
Key Features
- Rated current: 162 A at 40°C, ideal for medium to heavy motor loads.
- Motor output: 90 kW at 400 V, 45 kW at 230 V.
- Operating voltage range: 200–460 V AC; Control voltage: 230 V AC.
- Adjustable current limit and external reset for safe and flexible operation.
- Built-in motor overload protection and intrinsic device safety functions.
Technical Data
- Operating frequency: 50–60 Hz with ±10% tolerance.
- Continuous current: 115% of rated at 40°C.
- Power loss: about 75 W during normal operation.
- Ambient temperature: -25°C to +60°C; Storage: -40°C to +80°C.
- Installation altitude: up to 5,000 m above sea level.
Mechanical Design
- Size: S6 housing, 120 mm (W) × 198 mm (H) × 250 mm (D).
- Mounting: screw fixing; vertical position recommended.
- Connection type: busbar for main, screw terminals for control circuits.
- Clearance: 100 mm top, 75 mm bottom, 5 mm side.
- Protection class: IP00; ensure cabinet enclosure.
Installation & Use
- Supports cable lengths up to 300 m.
- Connect with 16–70 mm² stranded or 25–120 mm² DIN-lug cables.
- Simple front controls enable precise setup and current adjustment.
- Red fault LED for quick error identification and troubleshooting.
Package Contents
- 1 × Siemens SIRIUS 3RW4056-6BB44 soft starter unit.
- 1 × Installation manual and wiring diagram.
- Mounting accessories included for direct setup.
Shipping
- Worldwide delivery via FedEx, UPS, or DHL.
- Secure packaging ensures product protection during international transit.
FAQ
- Q: What type of motors is the 3RW4056-6BB44 suitable for?
A: It supports three-phase squirrel cage and standard industrial induction motors. - Q: Can it be mounted in confined panels?
A: Yes, but maintain at least 100 mm clearance above and 75 mm below. - Q: What is the typical power loss during operation?
A: Around 75 W at full rated current.
Contact & Author
- Author: Powergear X Automation
- Email: sales@powergearx.com
- WhatsApp: +86 18030005825
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Original Source: https://www.powergearx.com/
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