Product Overview:
The Siemens 6ES5921-3WB14 is a high-performance interface module specifically engineered for the renowned Siemens SIMATIC S5 series of Programmable Logic Controllers (PLCs). This essential component serves as a crucial link, facilitating robust and reliable communication between the S5 CPU and various peripheral devices, programming units, or other system components. Designed to meet the demanding requirements of industrial automation environments, the 6ES5921-3WB14 ensures seamless data exchange, system expansion capabilities, and the continued operational efficiency of your SIMATIC S5 installations. It is an indispensable module for maintaining, upgrading, or expanding existing S5 control systems, providing the dependable connectivity vital for complex industrial processes. Its durable construction and precise engineering guarantee long-term stability and performance in challenging conditions.
Technical Specifications:
- Part Number: 6ES5921-3WB14
- Alternate Part Number: 6ES59213WB14
- Product Type: Interface Module / Connection Module
- Series: Siemens SIMATIC S5
- Compatibility: Designed for use with Siemens SIMATIC S5-115U, S5-135U, S5-155U Programmable Logic Controllers (PLCs)
- Function: Provides an interface for connecting programming devices (PGs) or other specific peripheral units to the CPU
- Weight: Approximately 0.35 kg (0.77 lbs)
- Operating Temperature: 0°C to +60°C (32°F to +140°F)
- Storage Temperature: -25°C to +70°C (-13°F to +158°F)
- Protection Rating: IP20 (typical for cabinet installation)
- Mounting: Rack-mounted within the SIMATIC S5 system
- Status Indicators: (If applicable, e.g., LEDs for power, communication) - Specifics may vary by exact module revision.
SIEMENS 6ES5-921-3WB14
1-Year Warranty on Purchased Parts
All products sold by Roc Industrial LLC are covered by a limited warranty for a period of one year from the date of purchase, unless otherwise stated. This warranty covers defects in material and workmanship and does not cover damage caused by misuse, abuse, neglect, or unauthorized repair. Click Here to learn more.
Return and Refund Policy
Returns are accepted within 30 days of purchase for a full refund or exchange. Customer is responsible for return shipping costs.Quick & Convenient Shipping Solutions
Ensuring rapid shipping, all domestic orders are processed within 1 business day with free standard delivery and optional overnight shipping available; international orders are efficiently handled with competitive shipping costs, though customs and taxes are the customer's responsibility. For specific shipping needs or assistance, feel free to contact us.
Repair Your Equipment
Get your equipment back up and running fast with our reliable repair services. 2-Year warranty included. Click Here to start.
Out of Stock? Don't Worry!
Our inventory is always evolving and updating. If the quantity of the item you're interested in is showing as zero, please don't hesitate to contact us. We may have new stock on the way or alternative solutions to meet your needs. Reach out to us for the most current availability and we'll do our best to accommodate your requirements.
















