6ES7972-0BA50-0XA0 Siemens PROFIBUS RS485 Connector FastConnect 90° | Original Spare Parts

6ES7972-0BA50-0XA0 — Siemens PROFIBUS RS485 FastConnect Bus Connector (Industrial-Grade, 90°, No PG Socket)

Sourced directly from Siemens AG’s authorized supply chain, the 6ES7972-0BA50-0XA0 is a precision-engineered PROFIBUS bus connector built for demanding industrial automation environments. This unit features an RS485 interface with FastConnect tool-free termination technology and a 90-degree angled cable exit — making it the preferred choice for system integrators who need reliable, space-efficient network connectivity in SIMATIC S7 PLC systems and distributed I/O architectures. Every unit we ship is 100% Brand New and Factory Sealed, backed by full Siemens manufacturer traceability.

Procurement managers and site engineers working in process automation, machine building, or panel wiring consistently specify the 6ES7972-0BA50-0XA0 to eliminate field wiring errors and reduce commissioning downtime. Whether you’re maintaining an existing PROFIBUS DP network or expanding a legacy PLC System with new control modules, this Original Spare Part delivers the signal integrity and mechanical robustness your operation demands. Compatible with SIMATIC S7-300, S7-400, and ET 200 distributed I/O families.

As a trusted supplier of Industrial Automation components, we stock this connector ready for immediate dispatch. Contact our technical team for volume pricing, datasheet access, or application support — and experience the confidence of sourcing 100% Original and Brand New Siemens spare parts from a verified partner.

Technical Specifications & Selection Guide

Selection Tip: If programming device (laptop/PG) access is required at every network node, consider the 6ES7972-0BB50-0XA0 variant which includes an integrated PG socket. For mid-segment nodes where PG access is not needed, the 6ES7972-0BA50-0XA0 offers a more compact and cost-effective solution.

Core Features & Technical Advantages

Robust FastConnect Termination — Spring-loaded, tool-free wire insertion reduces installation time by up to 60% compared to screw-type connectors. Vibration-resistant contacts maintain secure electrical continuity under heavy-duty industrial conditions.

Precision RS485 Differential Signaling — Ensures reliable data integrity across noisy factory floors with strong EMI immunity, supporting full PROFIBUS DP/PA protocol compliance at all speeds.

90° Space-Saving Cable Exit — Right-angle design enables parallel cable routing along DIN rails, preserving organized panel layouts and maintaining proper cable bend radius in tight enclosures.

Integrated Switchable Bus Termination — Eliminates the need for external termination resistors at network endpoints; simply toggle the built-in switch for correct impedance matching.

Universal PROFIBUS Speed Range — Operates seamlessly from 9.6 kbit/s to 12 Mbit/s, making it compatible with legacy and modern Siemens PLC System configurations without hardware changes.

Heavy-Duty Flame-Retardant Housing — Manufactured to Siemens’ stringent quality standards with UL-rated materials, suitable for continuous operation in industrial automation environments.

Typical Application Scenarios

✅ Automotive Manufacturing: Body-in-white assembly lines rely on high-speed PROFIBUS DP networks to synchronize robotic welding cells and conveyor PLCs. The 6ES7972-0BA50-0XA0’s 12 Mbit/s capability and compact 90° form factor make it ideal for densely wired robot controller cabinets where every millimeter of space counts.

Power Plants & Energy Utilities: Turbine control and substation automation systems demand connectors that maintain signal integrity under high electromagnetic interference. This RS485-based connector’s differential signaling architecture provides the noise immunity required in high-voltage switchgear environments.

✅ Oil & Gas Processing: Upstream and downstream facilities use PROFIBUS networks to link field instruments, valve positioners, and remote I/O to DCS/SIS control systems. The connector’s IP20 rating and wide temperature tolerance support installation in instrumentation panels across refinery environments.

✅ Pharmaceutical & Food Processing: Batch process automation in regulated industries requires traceable, Original Spare Parts with documented provenance. Our 6ES7972-0BA50-0XA0 units ship with full Siemens manufacturer documentation to support GMP compliance and audit requirements.

✅ Water Treatment & Infrastructure: Municipal water and wastewater plants operating legacy SIMATIC S7-300/400 PLC Systems benefit from this connector’s backward compatibility and long-term Siemens spare parts availability, protecting capital investments in existing control infrastructure.

Logistics & Professional Service

✅ 2-Day Express Shipping Available — In-stock units ship within 24 hours of order confirmation. We support urgent MRO procurement with same-day dispatch for orders placed before 2:00 PM (local time).

✅ 1-Year Warranty — All products are covered by a 12-month warranty against manufacturing defects. Our warranty process is straightforward, with dedicated after-sales support from our industrial automation specialists.

✅ EOL & Legacy System Support — We maintain stock of discontinued and end-of-life Siemens components to support facilities running older SIMATIC S7-300/400 platforms. Avoid costly system upgrades by sourcing genuine replacement parts through our verified supply chain.

✅ Full Documentation Provided — Each shipment includes the original Siemens product datasheet, CE declaration of conformity, and country of origin certificate upon request — essential for regulated industries and international customs compliance.

✅ Fast Global Shipping — We ship to over 80 countries via DHL, FedEx, and UPS Express. Customs documentation and export compliance are handled by our experienced logistics team.

FAQ — Frequently Asked Questions

Q1: What is the price of the 6ES7972-0BA50-0XA0, and do you offer volume discounts?
The listed price reflects single-unit retail. For orders of 10+ units, we offer tiered volume discounts of 8-20% depending on quantity. OEM integrators and MRO procurement teams are encouraged to contact sale@ninermas.com for a formal quotation with project pricing. We also support blanket purchase orders for ongoing supply agreements.

Q2: What is the lead time if the item is out of stock?
Standard in-stock orders ship within 1-2 business days. For out-of-stock situations, our typical lead time is 5-10 business days for Siemens standard catalog items. Expedited sourcing is available for critical production downtime scenarios — contact us with your urgency level and we will prioritize accordingly.

Q3: Can you provide the official Siemens datasheet for the 6ES7972-0BA50-0XA0?
Yes. The official Siemens product datasheet, including full electrical specifications, dimensional drawings, and installation guidelines, is available upon request. Email sale@ninermas.com with your order number or inquiry reference and our team will send the documentation within one business day.

Q4: How do I verify this is a genuine Siemens product and not a counterfeit?
Every 6ES7972-0BA50-0XA0 unit we supply is 100% Original and Brand New, sourced through Siemens-authorized distribution channels. Products ship with original Siemens packaging, holographic authenticity labels, and full batch traceability. We can provide a Certificate of Authenticity and supply chain documentation for compliance audits upon request.

Q5: Is this connector compatible with SIMATIC S7-1200 and S7-1500 PLC systems?
The 6ES7972-0BA50-0XA0 is natively designed for SIMATIC S7-300/400 and ET 200 systems. S7-1200 and S7-1500 controllers use PROFINET (Ethernet-based) as their primary network protocol. However, when a CM 1243-5 PROFIBUS DP master module is added to an S7-1200 system, this connector can be used on the PROFIBUS segment connected to that communication module.

Q6: What is the difference between 6ES7972-0BA50-0XA0 and 6ES7972-0BA12-0XA0?
The -0BA50 suffix designates the FastConnect (tool-free) termination version, while the -0BA12 uses traditional screw-type terminals. The FastConnect variant is recommended for new installations due to faster wiring and more consistent contact force. Both are electrically equivalent and fully interchangeable in existing PROFIBUS networks.

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