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Siemens 3SU19500FN800AA0 Replacement Key, LSG1 Key Code - Replacement Keys
SiemensReplacement Keys

Siemens 3SU19500FN800AA0 Replacement Key, LSG1 Key Code

The SIEMENS Replacement Key, model LSG1 Key Code, Series 3SU CES (MPN 3SU19500FN800AA0), is a replacement key designed for use with SIEMENS Key Release Operators. This key features the LSG1 key code and is compatible…

SKU 3G-OTH-32568

Brand
Siemens
Item
3SU19500FN800AA0 Replacement Key, LSG1 Key Code
Part Number
3SU19500FN800AA0
Category
Replacement Keys
Available to Order
Also known as:3SU19500FN800AA0Siemens
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Technical Specifications

Siemens
Manufacturer Part Number
3SU19500FN800AA0
Key Code
LSG1
Compatible Product Type
Key Release Operators

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Replacement Key, model LSG1 Key Code, Series 3SU CES (MPN 3SU19500FN800AA0), is a replacement key designed for use with SIEMENS Key Release Operators. This key features the LSG1 key code and is compatible with the specified product type.

Frequently Asked Questions

What is the SIEMENS LSG1 replacement key used for?

The SIEMENS LSG1 replacement key (MPN 3SU19500FN800AA0) is used to operate SIEMENS Key Release Operators in industrial control systems. It provides a secure, coded method to unlock or release key-operated selector switches and pushbuttons, commonly applied in machinery safety circuits and panel access control across manufacturing and process industries.

What are the specifications of the SIEMENS 3SU19500FN800AA0 key?

The SIEMENS 3SU19500FN800AA0 replacement key has key code LSG1 and is compatible with SIEMENS Key Release Operators from the Series 3SU CES family. It is a genuine SIEMENS part designed for secure key-operated control devices. No additional electrical or dimensional specifications are provided by the manufacturer for this accessory.

Where to buy the SIEMENS LSG1 replacement key worldwide?

3G Electric supplies the SIEMENS LSG1 replacement key (3SU19500FN800AA0) to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time; we provide genuine SIEMENS parts for key release operators.

How to select the correct SIEMENS replacement key for a key release operator?

To select the correct SIEMENS replacement key, verify the key code (e.g., LSG1) and the compatible product type (Key Release Operators). The part number 3SU19500FN800AA0 is specific to the LSG1 code. Always match the key code to the operator's lock cylinder; using the wrong code will not operate the device. Consult the operator's manual for code identification.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks
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Siemens Products

3G Electric supplies Siemens replacement keys. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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