Product details
Siemens 3RW4434-6BC44 SIRIUS Soft Starter | 113A, 55kW Motor Control
The Siemens 3RW4434-6BC44 SIRIUS Soft Starter offers reliable motor starting for high-performance applications. With a rated current of 113A and capacity up to 55kW at 400V, this unit ensures smooth acceleration, reduced mechanical stress, and precise control. Designed for 200–460V AC systems, it delivers consistent results in demanding environments.
Author: Powergear X Automation
Key Features
- Rated current: 113A (standard) / 196A (inside-delta)
- Motor power: 55kW at 400V / 110kW inside-delta
- Operating voltage: 200–460V AC
- Control voltage: 230V AC, 50/60Hz
- Adjustable current limitation and overload protection
- External reset and built-in thyristor system
- Operating temperature: -25°C to +60°C
- Protection class: IP00
Performance & Design
- Compact size: 170mm (W) × 200mm (H) × 270mm (D)
- Cable length up to 500m
- Continuous operating current: 115%
- Power loss: 64W typical
- Installation altitude: up to 5000m
- Mounting: screw fixing, flexible positioning
Connection Details
- Main circuit: Busbar or box terminal
- Auxiliary circuit: Screw-type terminals
- Main contact cross-section: 16–70mm² (up to 120mm² with lugs)
- Auxiliary contacts: 0.5–2.5mm² solid or stranded
- AWG range: 6–2/0 for main contacts
Reliability & Quality
- Certified per international standards
- Long lifespan for industrial environments
- 12-month warranty coverage
- Fast delivery via FedEx, UPS, DHL
Product Highlights
- Smooth motor start minimizes wear
- Supports both standard and inside-delta circuits
- Flexible installation and high adaptability
- Effective thermal protection and stable performance
FAQ
- Q1: How does the Siemens 3RW4434-6BC44 extend motor life?
- It limits inrush current and reduces torque stress on mechanical parts.
- Q2: Can this soft starter operate at high altitudes?
- Yes, it supports up to 5000 meters above sea level without derating.
- Q3: What benefits does the inside-delta circuit provide?
- It increases efficiency and allows higher motor power—up to 110kW.
- Q4: What type of maintenance is needed?
- Check connections and terminal tightness periodically to maintain safety.
- Q5: Is it compatible with automation systems?
- Yes, it can be easily integrated with PLCs and motor control networks.
Contact Information
For inquiries, please contact us at
sales@powergearx.com or via WhatsApp:
+86 18030005825
Copyright © 2025 Powergear X Automation Limited. All rights reserved.
Original Source: https://www.powergearx.com/
Partner: Ubest Automation Limited
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