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SIEMENS 3RT2027-1BB40
by Siemens
Read verified buyer reviews ↓OverviewThe SIEMENS 3RT2027-1BB40 SIRIUS Contactor is a crucial component for advanced industrial automation. Engineered for consistent operation, this 3-pole contactor delivers dependable electrical circuit switching and control in demanding settings. Its SIRIUS series designation emphasizes quality and innovation, ensuring seamless integration and superior functionality within industrial systems. Designed for controlling motors and various equipment, the 3RT2027-1BB40 guarantees accurate operation, making it ideal for maintaining the efficiency of your industrial processes. Its compact design further simplifies installation, allowing for optimal space utilization in control panels.Key Features Accurate Switching: Three normally open contacts provide precise and reliable electrical load control. Broad Voltage Compatibility: Operates efficiently with a 24 V AC/DC rated operational voltage, offering versatility across different industrial standards. Robust Current Capacity: Rated for a 9 A operational current, capable of managing substantial electrical demands. Space-Efficient Design: Compact dimensions facilitate easy integration into existing control panels without requiring excessive space. Industrial-Grade Durability: Built for continuous operation in harsh industrial conditions, ensuring enduring reliability and performance. Effortless Mounting: Designed for standard DIN rail mounting, enabling quick and secure installation. Enhanced Protection: Features overload protection and short-circuit resistance, safeguarding connected equipment and improving system lifespan. Technical Specifications Product Series: SIRIUS Model Number: 3RT2027-1BB40 Product Type: Contactor Number of Poles: 3-pole Contact Configuration: Normally Open (NO) Rated Operational Voltage: 24 V AC/DC Control Voltage: 24 V AC/DC Rated Operational Current (Ie): 9 A Mounting Type: DIN Rail Mounting Operating Temperature: Optimized for challenging industrial environments Protection Features: Overload Protection, Short-Circuit Resistance Compatibility: Suitable for a wide range of industrial automation systems Applications Factory Automation: Essential for reliable circuit switching and control within automated production lines and manufacturing facilities. Motor Control Systems: Ideally suited for overseeing the operation of electric motors in various machinery, ensuring smooth start-up and shutdown. Process Industries: Provides precise and consistent circuit control in process automation, where accurate management of electrical flows is critical for success. HVAC Systems: Can be integrated into heating, ventilation, and air conditioning systems for effective management of their electrical components. Conveyor Systems: Guarantees reliable and safe operation of conveyor belts and material handling equipment. Wastewater Treatment Plants: Offers dependable control for pumps, valves, and other electrical apparatus in demanding environmental conditions. Why Choose This Model? Unmatched Reliability: The SIEMENS 3RT2027-1BB40, part of the respected SIRIUS series, ensures industrial-grade durability and consistent performance in challenging operational environments. Optimal Efficiency: Its precise 3-pole contact configuration and 9A current rating enable efficient power management, leading to reduced energy consumption and improved system longevity. Streamlined Integration: Designed for DIN rail mounting and featuring a compact footprint, this contactor seamlessly integrates into existing control panels, minimizing installation time and complexity. Enhanced Safety: Built-in overload protection and short-circuit resistance provide crucial safeguards for your valuable equipment, preventing costly damage and ensuring operational safety. Versatile Application: Perfect for motor control, factory automation, or intricate process control, this contactor adapts to diverse industrial needs. Order NowUpgrade your industrial control systems with the SIEMENS 3RT2027-1BB40 SIRIUS Contactor. Contact us today to place your order and ensure efficient, reliable operation for your business.FAQWhat is the primary function of the SIEMENS 3RT2027-1BB40 contactor?Its primary function is to provide reliable electrical circuit switching and control in industrial automation applications, particularly for motors and other equipment.What are the key protective features of this contactor?The contactor includes built-in overload protection and short-circuit resistance to safeguard connected equipment and extend system lifespan.Can this contactor be easily integrated into existing systems?Yes, its compact design and DIN rail mounting capability allow for straightforward and efficient integration into existing control panels.
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SIEMENS 3RT2027-1BB40
Overview
This is a genuine Siemens component from the SIRIUS Contactors family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
- Engineered to integrate inside SIRIUS Contactors installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes for the SIRIUS Contactors family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Product Series: SIRIUS
- Model Number: 3RT2027-1BB40
- Product Type: Contactor
- Number of Poles: 3-pole
- Contact Configuration: Normally Open (NO)
- Rated Operational Voltage: 24 V AC/DC
- Control Voltage: 24 V AC/DC
- Rated Operational Current (Ie): 9 A
- Mounting Type: DIN Rail Mounting
- Operating Temperature: Optimized for challenging industrial environments
- Protection Features: Overload Protection, Short-Circuit Resistance
- Compatibility: Suitable for a wide range of industrial automation systems
Applications
- Factory Automation: Essential for reliable circuit switching and control within automated production lines and manufacturing facilities.
- Motor Control Systems: Ideally suited for overseeing the operation of electric motors in various machinery, ensuring smooth start-up and shutdown.
- Process Industries: Provides precise and consistent circuit control in process automation, where accurate management of electrical flows is critical for success.
- HVAC Systems: Can be integrated into heating, ventilation, and air conditioning systems for effective management of their electrical components.
- Conveyor Systems: Guarantees reliable and safe operation of conveyor belts and material handling equipment.
- Wastewater Treatment Plants: Offers dependable control for pumps, valves, and other electrical apparatus in demanding environmental conditions.
Why Choose the 3RT2027-1BB40?
- Unmatched Reliability: The SIEMENS 3RT2027-1BB40, part of the respected SIRIUS series, ensures industrial-grade durability and consistent performance in challenging operational environments.
- Optimal Efficiency: Its precise 3-pole contact configuration and 9A current rating enable efficient power management, leading to reduced energy consumption and improved system longevity.
- Streamlined Integration: Designed for DIN rail mounting and featuring a compact footprint, this contactor seamlessly integrates into existing control panels, minimizing installation time and complexity.
- Enhanced Safety: Built-in overload protection and short-circuit resistance provide crucial safeguards for your valuable equipment, preventing costly damage and ensuring operational safety.
- Versatile Application: Perfect for motor control, factory automation, or intricate process control, this contactor adapts to diverse industrial needs.
Availability & Shipping
- ▸In stock: 3RT2027-1BB40 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 3RT2027-1BB40 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.