Siemens 6ES5445-3AA12 SIMATIC S5 Telecom System Card / Module

Siemens 6ES5445-3AA12 SIMATIC S5 Telecom System Card / Module Image 1

Siemens 6ES5445-3AA12 digital output module for SIMATIC S5 PLC systems.

The Siemens 6ES5445-3AA12 is a digital output module designed for use with the SIMATIC S5 programmable logic controller series. This module provides multiple digital output channels for controlling external devices, actuators, and switching applications within industrial automation environments.

As part of the SIMATIC S5 automation platform, this output module integrates into S5-115U, S5-135U, and S5-155U rack-mounted PLC systems. It enables the controller to interface with field devices such as solenoid valves, contactors, indicator lamps, and other binary-controlled equipment in manufacturing and process control applications.

The SIMATIC S5 series is a legacy automation platform that has been superseded by the S7 family. However, the 6ES5445-3AA12 remains in demand for maintaining and extending existing S5 installations across industrial facilities where system replacement is not practical or cost-effective.

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.

Frequently asked questions

Is the Siemens 6ES5445-3AA12 refurbished or new?
Tech-Star supplies both new and refurbished Siemens 6ES5445-3AA12. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Siemens 6ES5445-3AA12?
Refurbished Siemens 6ES5445-3AA12 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 6ES5445-3AA12?
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 6ES5445-3AA12 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 6ES5445-3AA12 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 FeaturesDigital output module; Rack-mounted installation; Multiple output channels; Industrial automation control
ApplicationsFactory automation; Process control systems; Legacy PLC system maintenance; Industrial machine control
CompatibilitySiemens SIMATIC S5-115U; Siemens SIMATIC S5-135U; Siemens SIMATIC S5-155U
SpecificationsDigital output type; S5 bus interface; 24V DC output voltage typical
PlatformSIMATIC S5
ManufacturerSiemens

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