Siemens SIRIUS 3RW4445-6BC44 Soft Starter - Heavy-Duty
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Control Heavy-Duty Motors with SIRIUS 3RW4445-6BC44 Soft Starter
Powerful soft starter for large industrial motors. Ensures smooth startup and reliable protection for your equipment.
Why Choose This Soft Starter?
- Protect Your Motor - Prevents damage from sudden starts and stops
- Save Energy - Reduces power surge during motor startup
- Easy to Use - Simple setup with clear fault display
- Flexible Installation - Works with standard and inside-delta connections
- Wide Compatibility - Fits most three-phase motors
Technical Specifications
Brand: SIRIUS
Model: 3RW4445-6BC44
Current Rating:
Standard: 313A @ 40°C
Inside-Delta: 542A @ 40°C
Power Capacity:
Standard: 160kW (400V)
Inside-Delta: 315kW (400V)
Voltage Range: 200-460V AC
Control Voltage: 230V AC
Frequency: 50/60 Hz
Max Temperature: 60°C
Dimensions: 210x230x298 mm
Weight: Heavy-duty construction
Protection: IP00
Installation & Setup
Mount on vertical surface. Keep 100mm space above and 75mm below. Use proper cable sizes: 70-240mm² for main circuit. Works up to 5000m altitude.
Frequently Asked Questions
What motors work with this 3RW4445 soft starter?
It controls three-phase motors from 160kW to 315kW. Perfect for pumps, fans, and conveyor systems.
How does it protect my equipment?
It slowly increases motor speed, reducing mechanical stress. Includes thermal monitoring and overload protection.
Can I use it in different power setups?
Yes, supports both standard wiring and inside-delta connection for higher power applications.
What happens if there's a problem?
The unit shows fault messages on its display. You can reset it externally without opening the panel.
Is technical support available?
We provide full support for installation and troubleshooting. Contact our engineering team for assistance.
Shipping & Warranty
We ship globally via FedEx, UPS, DHL. Your 3RW4445-6BC44 soft starter comes with 12-month warranty for peace of mind.
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Original Source: https://www.ubestplc.com/
Contact: sales@ubestplc.com | Phone: +86 180 3000 5825