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Siemens 6ES7138-6AA01-0BA0 SIMATIC ET 200SP BaseUnit for distributed I/O systems

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SIEMENS 6ES7138-6AA01-0BA0

by Siemens

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OverviewThe Siemens 6ES7138-6AA01-0BA0 serves as a fundamental component within the SIMATIC ET 200SP distributed I/O framework. This meticulously engineered BaseUnit, model BU15-P16+A0+2B, offers a dependable and streamlined connection point for various peripheral modules. It presents a sophisticated yet compact solution for contemporary industrial automation setups, integrating smoothly into control cabinets to ensure a highly organized and space-efficient installation. Functioning as the essential interface between I/O modules and field wiring, this unit guarantees reliable data exchange and precise control in demanding industrial environments. As a product from Siemens, a recognized leader in automation technology, this BaseUnit embodies outstanding performance, lasting durability, and full compatibility within the expansive SIMATIC ecosystem.Key Features Model: Siemens 6ES7138-6AA01-0BA0 – guaranteeing authentic Siemens quality and performance. Integrated BaseUnit (BU15-P16+A0+2B): Offers 16 potential connections (P16) to enhance connectivity in your distributed I/O system. Automatic Coding: An intelligent safety feature that prevents incorrect module placement, thereby reducing errors and maintaining system integrity. Push-In Terminals: Modernize your wiring process with fast, tool-free, and secure connections, significantly decreasing installation time. Compact and Modular Design: Optimized for space-saving installations within control cabinets, providing adaptability in system arrangement. DIN Rail Mounting: Permits easy and secure installation within standard industrial enclosures. IP20 Protection Rating: Ensures dependable operation in industrial settings by protecting against solid objects larger than 12.5mm. Technical SpecificationsThe Siemens 6ES7138-6AA01-0BA0 is precisely designed to fulfill the stringent demands of industrial applications. It receives power directly from the ET 200SP station, ensuring seamless integration into your existing infrastructure. Its innovative screwless push-in terminals simplify wiring while maintaining a secure and stable connection. Measuring only 15 mm in width, this BaseUnit exemplifies compact engineering, maximizing valuable space within your control cabinets. Its robust construction allows for an extensive operating temperature range from -30°C to +60°C, making it suitable for varied industrial environments. Furthermore, the inclusion of color coding for error-free module configuration highlights Siemens' dedication to user-friendly and reliable industrial solutions.Applications Industrial Automation Systems: Crucial for developing highly modular and efficient distributed I/O stations across diverse industries. Machine Building: Provides a dependable, space-optimized wiring infrastructure for intricate machinery, improving overall performance and uptime. Process Control Environments: Facilitates robust distributed control and monitoring, ensuring accurate and consistent operations. Factory Automation: Perfectly optimized for seamless integration with Siemens PLC systems, boosting efficiency and connectivity in automated production lines. Power Distribution Systems: Supports secure and reliable signal transmission within vital infrastructure. Material Handling Systems: Contributes to the efficient and error-free operation of automated logistics and material transport. Why Choose This Model?Unmatched Reliability: As a Siemens product, the 6ES7138-6AA01-0BA0 delivers exceptional build quality and consistent performance, minimizing operational interruptions.Remarkably Efficient Installation: Push-in terminals and automatic coding significantly reduce wiring time and prevent installation errors, leading to substantial labor cost savings.Space-Saving Design: Its compact measurement is ideal for control cabinets where space is limited, allowing for more components or smaller enclosures.Seamless System Integration: Engineered for perfect compatibility with the SIMATIC ET 200SP system, guaranteeing trouble-free setup and operation.Enhanced System Integrity: Automatic coding provides an additional layer of security by preventing accidental misconnections.Order NowEnhance your industrial automation system with the SIEMENS 6ES7138-6AA01-0BA0 BaseUnit. Contact our sales team today to place your order and benefit from improved efficiency and reliability.FAQWhat is the primary function of the SIEMENS 6ES7138-6AA01-0BA0?This BaseUnit serves as a critical connection point for peripheral modules within the SIMATIC ET 200SP distributed I/O system, facilitating reliable data exchange and control.What are the benefits of push-in terminals?Push-in terminals allow for quick, tool-free, and secure wiring connections, drastically reducing installation time and effort.Is this BaseUnit compatible with other Siemens products?Yes, it is specifically designed for seamless integration and full compatibility within the SIMATIC ET 200SP system, as well as broader Siemens PLC environments.What kind of environments can this product be used in?With an IP20 rating and an operating temperature range of -30°C to +60°C, it is suitable for a wide variety of industrial environments.How does the automatic coding feature work?Automatic coding is an intelligent mechanism that prevents the incorrect insertion of modules, ensuring proper system configuration and integrity.

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PRODUCT DETAILS

SIEMENS 6ES7138-6AA01-0BA0

Overview

This is a genuine Siemens component. 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

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:

  1. Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Siemens platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

The Siemens 6ES7138-6AA01-0BA0 is precisely designed to fulfill the stringent demands of industrial applications. It receives power directly from the ET 200SP station, ensuring seamless integration into your existing infrastructure. Its innovative screwless push-in terminals simplify wiring while maintaining a secure and stable connection. Measuring only 15 mm in width, this BaseUnit exemplifies compact engineering, maximizing valuable space within your control cabinets. Its robust construction allows for an extensive operating temperature range from -30°C to +60°C, making it suitable for varied industrial environments. Furthermore, the inclusion of color coding for error-free module configuration highlights Siemens' dedication to user-friendly and reliable industrial solutions.

Applications

  • Industrial Automation Systems: Crucial for developing highly modular and efficient distributed I/O stations across diverse industries.
  • Machine Building: Provides a dependable, space-optimized wiring infrastructure for intricate machinery, improving overall performance and uptime.
  • Process Control Environments: Facilitates robust distributed control and monitoring, ensuring accurate and consistent operations.
  • Factory Automation: Perfectly optimized for seamless integration with Siemens PLC systems, boosting efficiency and connectivity in automated production lines.
  • Power Distribution Systems: Supports secure and reliable signal transmission within vital infrastructure.
  • Material Handling Systems: Contributes to the efficient and error-free operation of automated logistics and material transport.

Why Choose the 6ES7138-6AA01-0BA0?

Unmatched Reliability: As a Siemens product, the 6ES7138-6AA01-0BA0 delivers exceptional build quality and consistent performance, minimizing operational interruptions.

Remarkably Efficient Installation: Push-in terminals and automatic coding significantly reduce wiring time and prevent installation errors, leading to substantial labor cost savings.

Space-Saving Design: Its compact measurement is ideal for control cabinets where space is limited, allowing for more components or smaller enclosures.

Seamless System Integration: Engineered for perfect compatibility with the SIMATIC ET 200SP system, guaranteeing trouble-free setup and operation.

Enhanced System Integrity: Automatic coding provides an additional layer of security by preventing accidental misconnections.

Availability & Shipping

  • In stock: 6ES7138-6AA01-0BA0 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 6ES7138-6AA01-0BA0 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

This BaseUnit serves as a critical connection point for peripheral modules within the SIMATIC ET 200SP distributed I/O system, facilitating reliable data exchange and control.

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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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.

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