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Siemens Auxiliary Contact: 2NC, 10 A Max Current (AC), Side Mount - Siemens Auxiliary Contacts
SiemensSiemens Auxiliary Contacts

Siemens Auxiliary Contact: 2NC, 10 A Max Current (AC), Side Mount

The SIEMENS Auxiliary Contact (MPN 3RH29211DA02) is a side-mounted contact block with 2NC contacts and a maximum AC current rating of 10 A. It is designed for use with SIRIUS 3RH2 contactor relays from Siemens.

SKU 3G-OTH-38521

Brand
Siemens
Item
Auxiliary Contact: 2NC, 10 A Max Current
Category
Siemens Auxiliary Contacts
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Technical Specifications

Siemens
Manufacturer Part Number
3RH29211DA02
Compatible with Series
SIRIUS 3RH2 Contactor Relays
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Auxiliary Contact (MPN 3RH29211DA02) is a side-mounted contact block with 2NC contacts and a maximum AC current rating of 10 A. It is designed for use with SIRIUS 3RH2 contactor relays from Siemens.

Frequently Asked Questions

What is the SIEMENS 3RH29211DA02 auxiliary contact used for?

The SIEMENS 3RH29211DA02 auxiliary contact is used to add normally closed switching capacity to SIRIUS 3RH2 contactor relays in industrial control panels. It provides 2NC contacts rated at 10 A AC for monitoring or interlocking circuits in motor control and automation systems.

What are the specifications of the SIEMENS 3RH29211DA02 auxiliary contact?

The SIEMENS 3RH29211DA02 is a side-mounted auxiliary contact block with 2NC contacts and a maximum AC current rating of 10 A. It is compatible with SIRIUS 3RH2 contactor relays. The manufacturer part number is 3RH29211DA02.

Where to buy the SIEMENS 3RH29211DA02 auxiliary contact worldwide?

3G Electric supplies the SIEMENS 3RH29211DA02 auxiliary contact worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine Siemens part.

How to install the SIEMENS 3RH29211DA02 auxiliary contact on a SIRIUS 3RH2 relay?

To install the SIEMENS 3RH29211DA02, clip it onto the side of a SIRIUS 3RH2 contactor relay until it locks. Ensure the relay is de-energized and wiring follows the contact markings. Torque terminal screws to Siemens specifications. Always consult the product manual for safety guidelines.

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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