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Siemens 3RH29112XA220MA0 Auxiliary Contact Block - Siemens Auxiliary Contacts
SiemensSiemens Auxiliary Contacts

Siemens 3RH29112XA220MA0 Auxiliary Contact Block

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
3RH29112XA220MA0 Auxiliary Contact Block
Category
Siemens Auxiliary Contacts
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Siemens
Manufacturer Part Number
3RH29112XA220MA0
Frame Size
S00
Compatible with Series
SIRIUS 3RT2 Contactors

Technical Documents

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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
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Front-mounted auxiliary contact block for SIRIUS 3RT2 contactors. Provides 2 normally open and 2 normally closed contacts rated at 10 A AC. Used for adding signaling or control contacts in motor control and automation systems

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Front-mounted auxiliary contact block with 2 normally open and 2 normally closed contacts. Designed for use with SIRIUS 3RT2 contactors of frame size S2. Provides additional switching contacts for signaling, interlocking, or status feedback in motor control and automation systems
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Front-mounted auxiliary contact block with 2 normally open and 2 normally closed contacts. Designed for use with SIRIUS 3RT2 contactors of frame size S2. Provides additional switching contacts for signaling, interlocking, or status feedback in motor control and automation systems
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Side-mounted auxiliary contact block with one normally open and one normally closed contact. Designed for Frame Size S00 and compatible with SIRIUS 3RT2 contactors. Used to add signal or control contacts for monitoring and interlocking in motor control applications
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The Siemens 49AB10 is a side-mounted auxiliary contact block with one normally open (1NO) pole. It is rated for a maximum continuous current of 10 A AC. This auxiliary contact is used in industrial control panels and motor starter applications to provide a switching signal for status indication or remote monitoring