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

Siemens Auxiliary Switch: 2NO/2NC, Front Mount, Front-Mounted

The SIEMENS Auxiliary Switch, model 3RH29112XA220MA0, is a front-mounted auxiliary contact block with a 2NO/2NC contact configuration. Designed for Frame Size S00, it is compatible with the SIRIUS 3RT2 series of…

SKU 3G-OTH-38363

Brand
Siemens
Item
Auxiliary Switch: 2NO/2NC, Front Mount, Front-Mounted
Category
Siemens Auxiliary Contacts
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Technical Specifications

Siemens
Manufacturer Part Number
3RH29112XA220MA0
Frame Size
S00
Compatible with Series
SIRIUS 3RT2 Contactors
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Auxiliary Switch, model 3RH29112XA220MA0, is a front-mounted auxiliary contact block with a 2NO/2NC contact configuration. Designed for Frame Size S00, it is compatible with the SIRIUS 3RT2 series of contactors from Siemens. This component provides additional switching functionality for industrial control applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Siemens 3RH29112XA220MA0 auxiliary switch used for?

The Siemens 3RH29112XA220MA0 auxiliary switch provides additional switching contacts for SIRIUS 3RT2 contactors in industrial control panels. It is used to signal contactor status, interlock circuits, or control auxiliary loads in motor control and automation systems.

What are the specifications of the Siemens 3RH29112XA220MA0 auxiliary switch?

This Siemens auxiliary switch has a 2NO/2NC contact configuration, Frame Size S00, and is front-mounted. It is compatible with the SIRIUS 3RT2 series of contactors. The manufacturer part number is 3RH29112XA220MA0.

Where to buy the Siemens 3RH29112XA220MA0 auxiliary switch worldwide?

3G Electric supplies the Siemens 3RH29112XA220MA0 auxiliary switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the Siemens 3RH29112XA220MA0 auxiliary switch?

Install the Siemens 3RH29112XA220MA0 auxiliary switch by clipping it onto the front of a compatible SIRIUS 3RT2 contactor of Frame Size S00. Ensure the contactor is de-energized, align the switch with the mounting slots, and press firmly until it locks. Wire according to your control schematic.

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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