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Siemens Auxiliary Contact: 3NO/1NC, 10 A Max Current (AC), Front Mount - Siemens Auxiliary Contacts
SiemensSiemens Auxiliary Contacts

Siemens Auxiliary Contact: 3NO/1NC, 10 A Max Current (AC), Front Mount

The SIEMENS Auxiliary Contact (MPN 3RH29111HA31) is a front-mounted auxiliary contact block with a 3NO/1NC contact configuration and a maximum current rating of 10 A (AC). Designed for Frame Size S3, it is compatible…

SKU 3G-OTH-38553

Brand
Siemens
Item
Auxiliary Contact: 3NO/1NC, 10 A Max Current
Category
Siemens Auxiliary Contacts
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Technical Specifications

Siemens
Manufacturer Part Number
3RH29111HA31
Type
Front Mount, Front-Mounted
Frame Size
S3
Max Current (AC)
10 A
Compatible with Series
SIRIUS 3RT2 Contactors
View Full Spec Sheet

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

Product Description

The SIEMENS Auxiliary Contact (MPN 3RH29111HA31) is a front-mounted auxiliary contact block with a 3NO/1NC contact configuration and a maximum current rating of 10 A (AC). Designed for Frame Size S3, it is compatible with the SIRIUS 3RT2 series of contactors from Siemens.

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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