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Siemens 6GK7443-1EX31-0XE0
Siemens CP 443-1 Communications Processor
Product Description
The Siemens CP 443-1 Communications Processor is designed to enhance the connectivity and performance of your industrial automation systems. Featuring dual 100 Mbps RJ45 ports, this processor supports ISO, TCP, UDP, and PROFINET IO protocols, ensuring reliable and efficient communication across your network. With capabilities for S7 communication, open communication (SEND/RECEIVE), and S7 routing, the CP 443-1 offers versatile integration options for various applications.
This processor supports IP configuration via DHCP/block, IP access control lists, and time synchronization, providing robust network management and security features. Extended web diagnostics and fast startup capabilities ensure minimal downtime and quick recovery, while support for PROFIenergy helps optimize energy consumption in your automation processes.
Designed for demanding industrial environments, the CP 443-1 operates within a wide temperature range of 0 to 70°C and offers IP20 protection. Its compact module format and conformal coating ensure durability and reliability in harsh conditions. The processor also complies with RoHS directive and WEEE take-back obligations, making it an environmentally responsible choice.
Applications for the CP 443-1 include factory automation, process control, and any scenario requiring high-speed, reliable communication between industrial devices.
Offer details
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees - Availability:
- On requestLead time: 21 days
- Warranty:
- Not specified
- Condition:
- New Surplus
Specifications
- Brand
- Siemens
- Number of interfaces (Industrial Ethernet)
- 2
- Electrical connections (Industrial Ethernet)
- 2
- Type of electrical connection (Industrial Ethernet)
- RJ45 port
- Type of voltage (supply voltage)
- DC
- Supply voltage from backplane bus
- 5 V
- Relative symmetrical tolerance at DC (5 V)
- 5 %
Available Offers
(6)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Surplus | Availability On requestLead time: 21 days | SupplierRomaniaTrusted supplier — member since 2023, 1–4 employees | Warranty Not specified | |
 | Condition New Surplus | Availability 1 pc. In-Stock Updated at: 16-09-2026 | Supplier GermanyTrusted supplier — member since 2026, 1–4 employees | Warranty Not specified | |
 | Condition New Factory Sealed | Availability 2 pcs. In-Stock Updated at: 16-09-2026 | Supplier CzechiaTrusted supplier — member since 2021, 50–99 employees | Warranty 24 months | |
:fill(white):quality(80)/media/thumbor) | Condition New Factory Sealed | Availability 2 pcs. In-Stock Updated at: 16-09-2026 | Supplier PolandTrusted supplier — member since 2023, 50–99 employees | Warranty 24 months | |
| Condition New Surplus | Availability On requestLead time: 15 days | Supplier NetherlandsTrusted supplier — member since 2021, 100–499 employees | Warranty 24 months | |
| Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier ItalyTrusted supplier — member since 2021, 10–19 employees | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 6GK7443-1EX31-0XE0, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 22-08-2026
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