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Siemens Auxiliary Switch: 2NC, Front Mount, Front-Mounted - Siemens Auxiliary Contacts
SiemensSiemens Auxiliary Contacts

Siemens Auxiliary Switch: 2NC, Front Mount, Front-Mounted

The SIEMENS Auxiliary Switch, model 3RA6912-1A, is a front-mounted auxiliary contact block with 2NC contacts. It is designed for use with SIRIUS 3RA6 Compact Starters, providing switching functionality for monitoring…

SKU 3G-OTH-38652

Brand
Siemens
Item
Auxiliary Switch: 2NC, Front Mount, Front-Mounted
Category
Siemens Auxiliary Contacts
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Technical Specifications

Siemens
Manufacturer Part Number
3RA6912-1A
Compatible with Series
SIRIUS 3RA6 Compact Starters
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Auxiliary Switch, model 3RA6912-1A, is a front-mounted auxiliary contact block with 2NC contacts. It is designed for use with SIRIUS 3RA6 Compact Starters, providing switching functionality for monitoring and control applications.

Frequently Asked Questions

What is the SIEMENS 3RA6912-1A auxiliary switch used for?

The SIEMENS 3RA6912-1A auxiliary switch is used to provide additional switching contacts for monitoring and control in industrial motor control applications. It mounts on the front of SIRIUS 3RA6 Compact Starters to signal status or interlock circuits.

What are the specifications of the SIEMENS 3RA6912-1A auxiliary switch?

The SIEMENS 3RA6912-1A is a front-mounted auxiliary contact block with 2 normally closed (2NC) contacts. It is designed for use with SIRIUS 3RA6 Compact Starters. The manufacturer part number is 3RA6912-1A.

Where to buy the SIEMENS 3RA6912-1A auxiliary switch worldwide?

You can source the SIEMENS 3RA6912-1A auxiliary switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations for this Siemens auxiliary contact block.

How to install the SIEMENS 3RA6912-1A auxiliary switch on a SIRIUS 3RA6 starter?

To install the SIEMENS 3RA6912-1A, mount it onto the front of the SIRIUS 3RA6 Compact Starter using the provided clips. Ensure the 2NC contacts align with the starter's actuation mechanism. Follow standard industrial wiring practices for auxiliary contact blocks.

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

Siemens Products

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

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