Siemens 6GK7 443-1EX20-0XE0 SIMATIC S7-400 Telecom System Card / Module

Siemens 6GK7 443-1EX20-0XE0 SIMATIC S7-400 Telecom System Card / Module Image 1

Siemens 6GK7 443-1EX20-0XE0 Communications Processor for SIMATIC S7-400 PLCs.

The Siemens 6GK7 443-1EX20-0XE0 is a CP 443-1 Communications Processor designed for integration with SIMATIC S7-400 programmable logic controllers. This module provides Industrial Ethernet connectivity, enabling the S7-400 PLC to communicate with other automation devices, SCADA systems, and enterprise networks using standard TCP/IP and ISO protocols.

The CP 443-1 series is widely deployed in industrial automation environments where reliable Ethernet communication is essential. It supports both S7 communication for PLC-to-PLC data exchange and open communication protocols for integration with third-party systems and higher-level applications.

This communications processor is part of the established SIMATIC S7-400 platform, which has been a cornerstone of industrial automation for many years. While the S7-400 series is now legacy equipment following the introduction of the S7-1500 platform, it remains in active service across numerous manufacturing and process control installations worldwide, sustaining demand for replacement and spare modules.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

Worldwide supply. We export new and refurbished telecoms and networking equipment internationally. International buyers welcome, request a delivered quote in your currency. Supply subject to export checks.

From the same manufacturer

Compatible with the same platform

Frequently asked questions

Is the Siemens 6GK7 443-1EX20-0XE0 refurbished or new?
Tech-Star supplies both new and refurbished Siemens 6GK7 443-1EX20-0XE0. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Siemens 6GK7 443-1EX20-0XE0?
Refurbished Siemens 6GK7 443-1EX20-0XE0 comes with a 90-day parts and labour warranty as standard. Extended warranty options are available on request.
How do I get a price for the Siemens 6GK7 443-1EX20-0XE0?
Pricing reflects current stock and lead time, so we quote per enquiry. Submit the part number through the contact form for a quote, typically within one business hour.
Can the Siemens 6GK7 443-1EX20-0XE0 be returned?
Returns are accepted within 14 days of delivery in line with our return policy. A restocking fee may apply for opened items.
How quickly can the Siemens 6GK7 443-1EX20-0XE0 be delivered?
Lead time depends on current stock. UK-based items typically ship the next business day; sourced items vary. We confirm lead time at quote.

Key FeaturesIndustrial Ethernet connectivity; S7 communication support; TCP/IP and ISO protocol support; Hot-swap capable; Integrated diagnostics
ApplicationsIndustrial automation networks; PLC-to-PLC communication; SCADA system integration; Manufacturing process control
CompatibilitySiemens SIMATIC S7-400 PLCs; SIMATIC NET Industrial Ethernet infrastructure; STEP 7 programming environment
SpecificationsIndustrial Ethernet interface; 10/100 Mbit/s transmission rate; RJ45 connector; 24V DC supply via backplane
PlatformSIMATIC S7-400
ManufacturerSiemens

Get a Fast Price & Availability

Prices change daily based on stock and supply.

Send your requirements and we’ll respond quickly with current pricing and availability.

  • Typical response: within 1 hour (business hours)
  • No obligation • UK-based team
Inline Request a Price

WhatsApp: HAHosting 447537149341