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

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

SKU 3G-OTH-38485

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

Siemens
Manufacturer Part Number
49AB11
Type
Side Mount, Side-Mounted
Max Current (AC)
10 A
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a Siemens 49AB11 auxiliary contact used for?

The Siemens 49AB11 auxiliary contact is used to add switching capacity to contactors and relays in industrial control panels. It provides one normally open and one normally closed circuit for status feedback or interlocking in motor control, HVAC, and automation systems.

What are the specifications of the Siemens 49AB11 auxiliary contact?

The Siemens 49AB11 is a side-mounted auxiliary contact block with 1 normally open and 1 normally closed contact. It has a maximum AC current rating of 10 A. The side-mount design allows easy attachment to compatible Siemens contactors without additional wiring space.

Where to buy a Siemens 49AB11 auxiliary contact worldwide?

3G Electric supplies the Siemens 49AB11 auxiliary contact to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this Siemens side-mount contact block.

How to install a Siemens side-mount auxiliary contact?

To install a Siemens side-mount auxiliary contact like the 49AB11, first de-energize the contactor. Snap the block onto the side of the contactor until it locks. Wire the NO and NC terminals per your control schematic, ensuring the 10 A AC rating is not exceeded. Always follow Siemens installation instructions.

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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