We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Siemens 3RH29111NF11 Auxiliary Contact Block - Siemens Auxiliary Contacts
SiemensSiemens Auxiliary Contacts

Siemens 3RH29111NF11 Auxiliary Contact Block

The SIEMENS Auxiliary Contact Block (SKU 3G-OTH-38178) is a front-mounted auxiliary contact block with a 1NO/1NC contact configuration. Designed for Frame Size S0, it is compatible with the SIRIUS 3RT2 series of…

SKU 3G-OTH-38178

Brand
Siemens
Item
3RH29111NF11 Auxiliary Contact Block
Category
Siemens Auxiliary Contacts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
3RH29111NF11
Type
Front Mount, Front-Mounted, 3RH29111NF11
Frame Size
S0
Compatible with Series
SIRIUS 3RT2 Contactors

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SIEMENS Auxiliary Contact Block (SKU 3G-OTH-38178) is a front-mounted auxiliary contact block with a 1NO/1NC contact configuration. Designed for Frame Size S0, it is compatible with the SIRIUS 3RT2 series of contactors from Siemens. This component provides additional switching contacts for control and signaling 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 3RH29111NF11 auxiliary contact block used for?

The SIEMENS 3RH29111NF11 auxiliary contact block provides additional 1NO/1NC switching contacts for control and signaling in industrial automation. It is designed for front mounting on SIRIUS 3RT2 contactors with frame size S0, enabling remote status feedback and interlocking in motor control circuits.

What are the specifications of the SIEMENS 3RH29111NF11 auxiliary contact block?

The SIEMENS 3RH29111NF11 is a front-mounted auxiliary contact block with a 1NO/1NC contact configuration. It is compatible with SIRIUS 3RT2 contactors and has a frame size of S0. The manufacturer part number is 3RH29111NF11, and it is produced by Siemens.

Where to buy the SIEMENS 3RH29111NF11 auxiliary contact block worldwide?

3G Electric supplies the SIEMENS 3RH29111NF11 auxiliary contact block 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; we source and deliver this Siemens component to any country.

How to install the SIEMENS 3RH29111NF11 auxiliary contact block?

To install the SIEMENS 3RH29111NF11, mount it onto the front of a compatible SIRIUS 3RT2 contactor with frame size S0. Ensure the contactor is de-energized and locked out. Snap the block into the designated slot until it clicks. Wire the 1NO and 1NC terminals per your control schematic, then test 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS Auxiliary Contact Block: 1NO/1NC, Front Mount, Front-Mounted, 3RH29111LA11
Siemens
SIEMENS Auxiliary Contact Block: 1NO/1NC, Front Mount, Front-Mounted, 3RH29111LA11
SIEMENS Auxiliary Contact Block: 2NO, Front Mount, Front-Mounted (MPN 3RH29111NF20)
Siemens
SIEMENS Auxiliary Contact Block: 2NO, Front Mount, Front-Mounted (MPN 3RH29111NF20)
SIEMENS Auxiliary Contact Block: 1NO/1NC, Front Mount, Front-Mounted (MPN 3RH29111MA11)
Siemens
SIEMENS Auxiliary Contact Block: 1NO/1NC, Front Mount, Front-Mounted (MPN 3RH29111MA11)
Front-mounted auxiliary contact block with 2 normally-closed contacts. Designed for use with SIRIUS 3RT2 contactors in frame size S0. Provides additional signaling or control functions in motor control and industrial automation applications
Siemens
Front-mounted auxiliary contact block with 2 normally-closed contacts. Designed for use with SIRIUS 3RT2 contactors in frame size S0. Provides additional signaling or control functions in motor control and industrial automation applications
SIEMENS Auxiliary Contact Block: 4NC, Front Mount, Front-Mounted (MPN 3RH29111FA04)
Siemens
SIEMENS Auxiliary Contact Block: 4NC, Front Mount, Front-Mounted (MPN 3RH29111FA04)
SIEMENS Auxiliary Contact Block: 1NO/1NC, Side Mount, Side-Mounted (MPN 3RH29211DA11)
Siemens
SIEMENS Auxiliary Contact Block: 1NO/1NC, Side Mount, Side-Mounted (MPN 3RH29211DA11)

More from Siemens

View all Siemens parts
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
Siemens
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
This auxiliary contact block is designed for use with Siemens SIRIUS 3RV2 motor starter protectors. It provides additional switching contacts for monitoring and control functions in motor control panels, enabling status signaling, interlocks, or remote alarms
Siemens
This auxiliary contact block is designed for use with Siemens SIRIUS 3RV2 motor starter protectors. It provides additional switching contacts for monitoring and control functions in motor control panels, enabling status signaling, interlocks, or remote alarms
Auxiliary contact block with 2 normally open and 2 normally closed contacts, rated for 60 A AC. Used to signal the position of a main switching device in industrial control panels and motor control centers, enabling remote status indication and automation
Siemens
Auxiliary contact block with 2 normally open and 2 normally closed contacts, rated for 60 A AC. Used to signal the position of a main switching device in industrial control panels and motor control centers, enabling remote status indication and automation
Siemens auxiliary switch with one normally open and one normally closed contact, rated for 60 A AC maximum current. Designed for integration with contactors and relays in industrial control panels and motor starters to provide status feedback or interlocking signals
Siemens
Siemens auxiliary switch with one normally open and one normally closed contact, rated for 60 A AC maximum current. Designed for integration with contactors and relays in industrial control panels and motor starters to provide status feedback or interlocking signals
Auxiliary contact block with 2 normally open (2NO) contacts for use with SIRIUS 3RV2 Motor Starter Protectors. Provides switching functionality for status feedback, remote signaling, or interlocking in motor control systems
Siemens
Auxiliary contact block with 2 normally open (2NO) contacts for use with SIRIUS 3RV2 Motor Starter Protectors. Provides switching functionality for status feedback, remote signaling, or interlocking in motor control systems
Front-mounted auxiliary contact block with 2 normally open and 2 normally closed contacts. Designed for frame size S00 and compatible with SIRIUS 3RT2 series contactors. Used to signal contactor status, interlock circuits, or control auxiliary loads in motor control and automation systems
Siemens
Front-mounted auxiliary contact block with 2 normally open and 2 normally closed contacts. Designed for frame size S00 and compatible with SIRIUS 3RT2 series contactors. Used to signal contactor status, interlock circuits, or control auxiliary loads in motor control and automation systems
Front-mounted auxiliary contact block with 2 normally open (2NO) contacts, designed for use with SIRIUS 3RA6 Compact Starters. Provides additional control or signaling circuits in industrial motor control applications
Siemens
Front-mounted auxiliary contact block with 2 normally open (2NO) contacts, designed for use with SIRIUS 3RA6 Compact Starters. Provides additional control or signaling circuits in industrial motor control applications
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
Siemens
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