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Siemens 3RT1026-1BB40
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 3RT1026-1BB40 is a sturdy SIRIUS series three-pole power contactor, expertly crafted for accurate motor regulation in numerous industrial settings. This contactor is built to perform consistently in challenging environments, delivering reliable operation for motors reaching up to 11 kW (15 HP) at 400 V. Featuring a 24 V DC coil for effective function and adaptable mounting choices, including both DIN rail and screw installation, the 3RT1026-1BB40 effortlessly integrates into both new and existing control panels. Although this particular model is no longer produced, its reputation for excellence and a clear upgrade path to the SIRIUS 3RT2026-1BB40 ensures Siemens continues to offer advanced solutions for industrial automation needs.Key Features High Capacity Motor Management: Capable of managing up to 25 A for AC-3 uses, perfectly suited for motors up to 11 kW (15 HP) at 400 V. Efficient DC Coil Operation: Equipped with a precise 24 V DC coil, ensuring energy efficiency and dependable switching. Flexible Mounting Options: Provides both convenient DIN rail and secure screw mounting methods, allowing for simple integration into various control panel setups. Durable Industrial Construction: Manufactured to Siemens' rigorous standards, guaranteeing exceptional longevity and consistent performance even in demanding industrial conditions. Secure Screw Terminals: Features robust screw connections for straightforward, secure, and reliable electrical wiring. Compact Dimensions: With optimized measurements of 85 mm x 45 mm x 101 mm, it helps maximize space within electrical enclosures. Technical SpecificationsProduct Type: SIRIUS 3-Pole Power ContactorPart Number: 3RT1026-1BB40Number of Poles: 3Rated Operational Current (AC-3): 25 AMotor Rating at 400 V (AC-3): 11 kW (15 HP)Coil Voltage: 24 V DCTerminal Type: Screw terminalsMounting: DIN rail or screw mountingDimensions (H x W x D): 85 mm x 45 mm x 101 mmOperating Temperature Range: -25°C to +60°CProtection Class: IP20Standards Compliance: Conforms to IEC 60947-4-1Successor Information: Production ceased November 1, 2018. The recommended upgrade is the SIRIUS 3RT2026-1BB40 for enhanced functionalities.Applications Industrial Automation Systems: Essential for reliable motor regulation in automated processes across various industries. Conveyor Systems: Ensures smooth and dependable operation of material handling and transfer on production lines. Pumps and Fans: Ideal for controlling power supply to crucial pumping and ventilation systems in industrial facilities. Manufacturing Equipment: Provides critical motor oversight for a wide array of machinery in production and assembly plants. HVAC Systems: Integrates effortlessly into heating, ventilation, and air conditioning controls, managing compressors and blowers. General Motor Control: Suitable for any application requiring robust and precise management of AC motors within its specified limits. Why Choose This Model? Proven Siemens Dependability: Benefit from the acclaimed quality and engineering excellence of Siemens, a leader in industrial automation. Optimized for Motor Oversight: Specifically designed for efficient and safe control of three-phase motors, boosting operational safety and output. Seamless Integration: Its adaptable mounting and straightforward wiring make it easy to incorporate into diverse electrical panels and systems. Long-Lasting Performance: Despite being discontinued, its sturdy construction ensures an extended service life for existing setups, backed by Siemens' dedication to quality. Clear Upgrade Path: While the 3RT1026-1BB40 is no longer produced, Siemens offers a direct and improved successor, the 3RT2026-1BB40, ensuring future-proof solutions. Valuable for Legacy Systems: Provides an ideal replacement component for maintaining and repairing existing installations that still utilize this specific model, ensuring continuous operation. Order NowReady to enhance your industrial motor control? Order the Siemens 3RT1026-1BB40 SIRIUS 3-pole power contactor today and experience reliable performance and integration. Contact us for availability and further details, or to discuss the recommended successor model for new installations.FAQWhat is the primary function of the Siemens 3RT1026-1BB40?The Siemens 3RT1026-1BB40 is designed for the precise control of industrial motors, specifically suitable for applications requiring reliable switching of motors up to 11 kW (15 HP) at 400 V.What is the coil voltage required for this contactor?This contactor operates with an efficient 24 V DC coil, ensuring dependable switching performance.Can this contactor be used in new installations?While the 3RT1026-1BB40 is a discontinued model, it serves as an excellent replacement for legacy systems. For new installations, the Siemens SIRIUS 3RT2026-1BB40 is the recommended successor, offering enhanced features and up-to-date technology.What are the mounting options available for the 3RT1026-1BB40?The contactor offers versatile mounting options, including both convenient DIN rail installation and secure screw mounting, allowing for flexible integration into various control panels.What environments is the 3RT1026-1BB40 suitable for?Designed for demanding industrial environments, this contactor is built to Siemens' high standards, ensuring exceptional longevity and consistent performance in challenging conditions, with an operating temperature range of -25°C to +60°C and IP20 protection.
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Siemens 3RT1026-1BB40
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 Type: SIRIUS 3-Pole Power Contactor
Part Number: 3RT1026-1BB40
Number of Poles: 3
Rated Operational Current (AC-3): 25 A
Motor Rating at 400 V (AC-3): 11 kW (15 HP)
Coil Voltage: 24 V DC
Terminal Type: Screw terminals
Mounting: DIN rail or screw mounting
Dimensions (H x W x D): 85 mm x 45 mm x 101 mm
Operating Temperature Range: -25°C to +60°C
Protection Class: IP20
Standards Compliance: Conforms to IEC 60947-4-1
Successor Information: Production ceased November 1, 2018. The recommended upgrade is the SIRIUS 3RT2026-1BB40 for enhanced functionalities.
Applications
- Industrial Automation Systems: Essential for reliable motor regulation in automated processes across various industries.
- Conveyor Systems: Ensures smooth and dependable operation of material handling and transfer on production lines.
- Pumps and Fans: Ideal for controlling power supply to crucial pumping and ventilation systems in industrial facilities.
- Manufacturing Equipment: Provides critical motor oversight for a wide array of machinery in production and assembly plants.
- HVAC Systems: Integrates effortlessly into heating, ventilation, and air conditioning controls, managing compressors and blowers.
- General Motor Control: Suitable for any application requiring robust and precise management of AC motors within its specified limits.
Why Choose the 3RT1026-1BB40?
- Proven Siemens Dependability: Benefit from the acclaimed quality and engineering excellence of Siemens, a leader in industrial automation.
- Optimized for Motor Oversight: Specifically designed for efficient and safe control of three-phase motors, boosting operational safety and output.
- Seamless Integration: Its adaptable mounting and straightforward wiring make it easy to incorporate into diverse electrical panels and systems.
- Long-Lasting Performance: Despite being discontinued, its sturdy construction ensures an extended service life for existing setups, backed by Siemens' dedication to quality.
- Clear Upgrade Path: While the 3RT1026-1BB40 is no longer produced, Siemens offers a direct and improved successor, the 3RT2026-1BB40, ensuring future-proof solutions.
- Valuable for Legacy Systems: Provides an ideal replacement component for maintaining and repairing existing installations that still utilize this specific model, ensuring continuous operation.
Availability & Shipping
- ▸In stock: 3RT1026-1BB40 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 3RT1026-1BB40 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
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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.