100 in stock
Siemens Simatic S5 Cable 6ES5 721-0BC50
Siemens Simatic S5 Cable 6ES5 721-0BC50
Brand/Manufacturer: Siemens
Order Number: 6ES5721-0BC50
Type: Communication Cable
Country of Origin: Germany
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
-
In-stock & ready for fast delivery. Shipping policy.
-
We’re here for you 24/7 ,Contact Us.
-
Only genuine, factory-sealed products，Learn More.
-
Refund Supported Within 30 Days, help.
-
All purchases include a 1-year warranty, help.
Trusted Global Payment Methods
Description
System Integration Overview
The 6ES5 721-0BC50 (6ES57210BC50) plug-in connecting cable establishes high-speed expansion bus links within Siemens Simatic S5-135U and S5-155U programmable logic controller architectures. Designed for distributed expansion configurations spanning up to 600 m between Central Controllers (CC) and Expansion Units (EU) or between EUs, this 2.5 m interface cable enables reliable data exchange across modular racks. Heavy industrial operations like mining processing plants, power stations, and chemical refineries depend on this component to extend I/O backplanes over physical distances without signal degradation. Deploying this fully shielded cable maintains low-latency bus communications, mitigates electromagnetic interference, and prevents system-wide dropouts to minimize unplanned facility downtime.
Bus Cable Architecture and Structure Mechanics
This interface assembly utilizes multi-conductor shielded copper lines designed to support high-frequency S5 expansion bus protocols across distributed racks. Dual male plug connectors incorporate strain-relief housings and metal locking mechanisms to guarantee physical retention against continuous mechanical vibration. Foil and braided shield layers isolate internal data lines from industrial noise generated by adjacent high-voltage drives and switching equipment. The flexible outer jacket resists oils, chemical vapors, and mechanical abrasion common in cabinet routing environments, preserving physical insulation integrity and high-speed bus performance over extended operational lifespans.
Comprehensive Technical Specifications
Model: 6ES5 721-0BC50
Brand: Siemens
Series: Simatic S5-135/155
Origin: Germany
Product Type: Communication Cable
Cable Length: 2.5 m
Maximum Topology Distance: 600 m (between CC and EU or EU and EU)
Connector Type: Multi-pin S5 expansion plug-in connectors
Shielding: Foil and copper braid shield
Power Consumption: 0 W (passive cable assembly)
Weight: 0.55 kg (1.21 lbs)
Dimensions: 17.8 cm x 7.6 cm x 20.3 cm (7.0 in x 3.0 in x 8.0 in)
Operating Temp: 0 to 60 deg C
Storage Temp: -40 to 70 deg C
HS Tariff Code: 8544429000
Have a Question?
-
Focus on Benefits:
We focus on what truly matters to industrial buyers — authentic products, reliable stock, and fast global delivery. Explore how we support your operations with trusted sourcing and expert service.
-
Why You Can Trust Us:
We go beyond parts — delivering reliability, speed, and expertise trusted by industrial buyers worldwide.
-
Trusted by Global Clients
Serving thousands of companies across oil & gas, power, manufacturing, and more — from Fortune 500 enterprises to local distributors.
-
Uptime Is Our Priority
Downtime is costly. That’s why we ensure rapid access to critical parts, minimizing production interruptions and delays.
-
Experts in Sourcing Rare Parts
Our team specializes in finding hard-to-source and obsolete components — saving you time, risk, and procurement headaches.
-
One-Stop Automation Supply
We offer complete automation part solutions — PLCs, drives, sensors, HMIs, relays — with expert guidance every step of the way.
Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
Reliable Partner for Original Parts
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson