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Siemens 3RW4027-1BB04
Condition: New
Warranty: 1 Year

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Siemens 3RW4027-1BB04 | Soft Starter – 12.5 kW @ 400V, 3-Phase, 24V AC/DC Control, Size S0, IP20
Overview
The Siemens 3RW4027-1BB04 is a SIRIUS soft starter for three-phase motors up to 12.5 kW (at 400V). It features a 24V AC/DC control voltage, supports smooth motor start-up and ramp-down, and is designed in the compact Size S0 for space-efficient control panels.
Key Features
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Motor Rating: 12.5 kW @ 400V (AC-53a)
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Rated Operating Voltage: 200–480V AC
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Rated Control Voltage: 24V AC/DC
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Rated Current: 32 A
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Integrated Bypass: Yes, for energy efficiency
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Start/Stop Functions: Adjustable ramp-up and ramp-down
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Mounting: DIN rail or screw mount
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Contactor Size: S0
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Protection Rating: IP20
Technical Specifications
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Part Number: 3RW4027-1BB04
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Series: SIRIUS 3RW40
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Frequency: 50/60 Hz
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Ambient Temperature: –25°C to +60°C
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Dimensions (W x H x D): Approx. 55 x 132.5 x 155 mm
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Weight: Approx. 0.9 kg
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Certifications: CE, UL, CSA, RoHS compliant
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Application Category: AC-53a
Applications
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Pumps and compressors
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Conveyor belts and mixers
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HVAC systems and fans
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General-purpose motor control
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Industrial automation and control panels
Why Choose the 3RW4027-1BB04?
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Reduced Mechanical Stress: Smooth acceleration and deceleration
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Integrated Bypass: Lower energy loss and reduced heat
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Flexible Control: 24V AC/DC input for PLC integration
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Compact and Reliable: Space-saving S0 size with Siemens build quality
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Easy Installation: DIN rail or panel mounting options
Order Now
The Siemens 3RW4027-1BB04 soft starter is available and ready for global delivery.
Warranty Policy
Our warranty policy is designed to provide peace of mind and confidence in your purchases.
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New
1-year
This warranty covers manufacturing defects and performance issues, ensuring that you can enjoy your product worry-free.
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Our priority is to ensure your satisfaction and the quality of our products and services. If you have any questions about our warranty policy, please do not hesitate to contact our customer service team.
sales@ddpartssolution.com
📞 +1 (689) 275-3558
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NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply