Siemens Auxiliary Contact Block: 2NO, Front Mount
The SIEMENS Auxiliary Contact Block (MPN 3RH29111NF20) is a front-mounted, 2NO auxiliary contact block designed for use with SIRIUS 3RT2 contactors. It features a Frame Size of S3 and is manufactured by Siemens.
SKU 3G-OTH-38277
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Product Description
The SIEMENS Auxiliary Contact Block (MPN 3RH29111NF20) is a front-mounted, 2NO auxiliary contact block designed for use with SIRIUS 3RT2 contactors. It features a Frame Size of S3 and is manufactured by Siemens.
Frequently Asked Questions
What is the SIEMENS 3RH29111NF20 auxiliary contact block used for?
The SIEMENS 3RH29111NF20 is a front-mounted auxiliary contact block with 2 normally open contacts. It is used with SIRIUS 3RT2 contactors to provide additional switching capacity for control circuits, such as status feedback or interlocking in industrial automation and motor control applications.
What are the specifications of the SIEMENS 3RH29111NF20 auxiliary contact block?
The SIEMENS 3RH29111NF20 is a front-mounted auxiliary contact block with 2NO contacts, Frame Size S3, and is compatible with SIRIUS 3RT2 contactors. It is manufactured by Siemens under MPN 3RH29111NF20 and is designed for reliable switching in control circuits.
Where to buy the SIEMENS 3RH29111NF20 auxiliary contact block worldwide?
3G Electric supplies the SIEMENS 3RH29111NF20 auxiliary contact block worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this Siemens SIRIUS component.
How to install the SIEMENS 3RH29111NF20 auxiliary contact block on a SIRIUS 3RT2 contactor?
To install the SIEMENS 3RH29111NF20, mount it directly onto the front of a SIRIUS 3RT2 contactor. Ensure the contactor is de-energized, align the block with the mounting slots, and snap it into place. Wire the 2NO terminals per your control circuit diagram, following standard industrial safety practices.
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Common applications for SiemensSiemens 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.















