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Siemens Auxiliary Switch: 2NO, Front Mount - Siemens Auxiliary Contacts
SiemensSiemens Auxiliary Contacts

Siemens Auxiliary Switch: 2NO, Front Mount

The SIEMENS Auxiliary Switch (MPN 3RA6911-1A) is a front-mounted auxiliary contact block with 2 normally open (2NO) contacts, designed for use with SIRIUS 3RA6 Compact Starters. This Siemens auxiliary contact…

SKU 3G-OTH-38264

Brand
Siemens
Item
Auxiliary Switch: 2NO, Front Mount
Category
Siemens Auxiliary Contacts
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Technical Specifications

Siemens
Manufacturer Part Number
3RA6911-1A
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 (MPN 3RA6911-1A) is a front-mounted auxiliary contact block with 2 normally open (2NO) contacts, designed for use with SIRIUS 3RA6 Compact Starters. This Siemens auxiliary contact provides a front-mount configuration for easy integration into control circuits.

Frequently Asked Questions

What is the SIEMENS Auxiliary Switch 3RA6911-1A used for?

The SIEMENS Auxiliary Switch 3RA6911-1A is a front-mounted contact block with 2 normally open (2NO) contacts. It is used with SIRIUS 3RA6 Compact Starters to provide additional control or signaling circuits in industrial motor control applications.

What are the specifications of the SIEMENS 3RA6911-1A auxiliary switch?

The SIEMENS 3RA6911-1A is an auxiliary switch with 2 normally open (2NO) contacts. It features a front-mount configuration and is compatible with SIRIUS 3RA6 Compact Starters. The manufacturer part number is 3RA6911-1A.

Where to buy the SIEMENS 3RA6911-1A auxiliary switch worldwide?

You can source the SIEMENS 3RA6911-1A auxiliary switch worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the SIEMENS 3RA6911-1A auxiliary switch?

To install the SIEMENS 3RA6911-1A auxiliary switch, mount it to the front of a SIRIUS 3RA6 Compact Starter using the provided hardware. Ensure the contacts are properly aligned and wired according to the control circuit diagram. Always follow Siemens installation guidelines for safe operation.

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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