Original SIEMENS 90-250KW Optical Fibre Board CIB Board A5E00181902 A5EOO181902

Siemens A5E00181902 | A5E Series Industrial Spare Part — Siemens Automation and Drive Systems

A5E Series — Siemens Spare Part Identification

The A5E prefix identifies this as a Siemens spare and replacement part number — a designation used across Siemens' drive, automation, and control product lines including SINAMICS, MICROMASTER, SIMATIC, and SINUMERIK hardware families. A5E part numbers are assigned to individual PCBs, modules, and sub-assemblies that are replaceable at the service level within larger Siemens system products.

The A5E00181902 is a defined part at a specific position within its host Siemens system. The part number is the precise identification reference — the installed component's label is the authoritative source for confirming that A5E00181902 is the correct replacement for a specific machine position.

Key Specifications

Ordering and Identification

A5E series part numbers appear on the component labels of Siemens drive and automation hardware. To confirm A5E00181902 as the correct replacement:

Read the label on the installed component in the machine — the full A5E part number printed on the board or module is the definitive reference. Cross-reference against the machine's electrical documentation or the Siemens spare parts list for the specific product. Do not order based on physical appearance alone — adjacent A5E numbers may look similar while serving different functions in different product positions.

A5E spare parts are available through Siemens' authorised service channels and through the Siemens industrial spare parts aftermarket. For components associated with specific product generations (MICROMASTER, SINAMICS S120, etc.), confirming the product family and hardware revision ensures the correct spare is applied.

FAQ

Q1: What does the A5E prefix indicate on a Siemens part number?

A5E identifies a Siemens spare and replacement component — a PCB, module, or sub-assembly assigned its own service part number within a larger Siemens product. A5E numbers are used across SINAMICS drives, MICROMASTER inverters, SIMATIC PLC hardware, and SINUMERIK CNC systems for component-level service parts.

Q2: How is A5E00181902 confirmed as the correct part for a specific machine?

Read the part number from the label on the installed component — the A5E number printed on the board or module itself is the authoritative reference. Cross-check against the machine documentation or the Siemens spare parts catalog for the installed product. Visual similarity between components is not a reliable identification method for A5E spare parts.

Q3: Where is the A5E00181902 sourced?

Through Siemens authorised service channels, Siemens' online spare parts ordering (Industry Mall), and through authorised Siemens service partners. The component is also available through the Siemens automation spare parts aftermarket where original stock is held. Confirm the full part number before ordering.

Q4: Does replacing an A5E spare part require system reconfiguration?

This depends on the specific component and its function within the host system. Some A5E components (interface boards, power boards) are replaced without reconfiguration. Others (control boards, parameter-storing modules) may require parameter restoration after replacement. Refer to the service documentation for the specific host product to determine the replacement procedure.

Q5: What ESD precautions apply to A5E PCB components?

All A5E PCB spare parts contain ESD-sensitive components. Handle with a grounded wrist strap on a conductive anti-static work surface. Handle by board edges — avoid contact with circuit traces, component bodies, and connector pins. Store and transport in metallised anti-static packaging. These precautions apply regardless of the specific A5E component type.