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Siemens Auxiliary Contact Block: 2NO (MPN 3RV29011F) - Siemens Auxiliary Contacts
SiemensSiemens Auxiliary Contacts

Siemens Auxiliary Contact Block: 2NO (MPN 3RV29011F)

The SIEMENS Auxiliary Contact Block (MPN 3RV29011F) is a 2NO auxiliary contact block designed for use with SIRIUS 3RV2 Motor Starter Protectors. This Siemens auxiliary contact provides normally open switching…

SKU 3G-OTH-38293

Brand
Siemens
Item
Auxiliary Contact Block: 2NO
Category
Siemens Auxiliary Contacts
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Technical Specifications

Siemens
Manufacturer Part Number
3RV29011F
Compatible with Series
SIRIUS 3RV2 Motor Starter Protectors
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Auxiliary Contact Block (MPN 3RV29011F) is a 2NO auxiliary contact block designed for use with SIRIUS 3RV2 Motor Starter Protectors. This Siemens auxiliary contact provides normally open switching functionality for monitoring and control applications within compatible motor starter systems.

Frequently Asked Questions

What is the SIEMENS Auxiliary Contact Block 3RV29011F used for?

The SIEMENS Auxiliary Contact Block 3RV29011F provides 2 normally open (2NO) switching contacts for monitoring and control applications. It is designed for use with SIRIUS 3RV2 Motor Starter Protectors, enabling status feedback, remote signaling, or interlocking in industrial motor control systems.

What are the specifications of the SIEMENS 3RV29011F auxiliary contact block?

The SIEMENS 3RV29011F is a 2NO auxiliary contact block from the SIRIUS series. It is compatible with SIRIUS 3RV2 Motor Starter Protectors. The brand is SIEMENS, and the manufacturer part number is 3RV29011F. It provides normally open switching for monitoring and control in motor starter systems.

Where to buy the SIEMENS 3RV29011F auxiliary contact block worldwide?

You can source the SIEMENS 3RV29011F auxiliary contact block through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens components for motor starter systems.

How to install the SIEMENS 3RV29011F auxiliary contact block on a SIRIUS 3RV2?

To install the SIEMENS 3RV29011F auxiliary contact block, first ensure the SIRIUS 3RV2 motor starter protector is de-energized. Snap the contact block onto the side or front mounting slot of the protector until it locks. Wire the normally open contacts according to your control circuit. 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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