Siemens 6ES5430-4UA12 SIMATIC S5 Telecom System Card / Module

Siemens 6ES5430-4UA12 SIMATIC S5 Telecom System Card / Module Image 1

Siemens 6ES5430-4UA12 digital input module for SIMATIC S5 automation systems.

The Siemens 6ES5430-4UA12 is a digital input module designed for use with the SIMATIC S5 programmable logic controller (PLC) series. This module provides 32 digital input channels operating at 24V DC, enabling the PLC to receive and process signals from field devices such as sensors, switches, and other binary input sources.

The 6ES5430-4UA12 is intended for integration into SIMATIC S5-115U, S5-135U, and S5-155U automation systems. It mounts directly into the S5 rack infrastructure and connects to the PLC backplane for communication with the central processing unit.

The SIMATIC S5 platform is a legacy automation system that has been superseded by the SIMATIC S7 range. However, many S5 installations remain operational in industrial environments worldwide, and replacement modules such as the 6ES5430-4UA12 are essential for maintaining these systems.

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 6ES5430-4UA12 refurbished or new?
Tech-Star supplies both new and refurbished Siemens 6ES5430-4UA12. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Siemens 6ES5430-4UA12?
Refurbished Siemens 6ES5430-4UA12 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 6ES5430-4UA12?
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 6ES5430-4UA12 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 6ES5430-4UA12 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 Features32 digital input channels; 24V DC input voltage; Compatible with S5-115U/135U/155U systems; Direct rack mounting
ApplicationsIndustrial process automation; Manufacturing control systems; Legacy PLC system maintenance
CompatibilitySiemens SIMATIC S5-115U; Siemens SIMATIC S5-135U; Siemens SIMATIC S5-155U
Specifications32 digital inputs; 24V DC nominal input; S5 backplane interface
PlatformSIMATIC S5
ManufacturerSiemens

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