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3TH3040-0AF0
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3TH3040-0AF0
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SIEMENS
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3TH3040-0AF0 - Contactor relay, 110 V 50 Hz - siemens

Cat No. 3TH3040-0AF0
Category Auxiliary Contactors
Stock In Stock
Condition Brand New, Sealed Packaging
Product Type Auxiliary Contactors
Please contact us for the exact delivery timeline

In Stock — 10 Qty

$44.70
Quantity Expected Delivery
10 Units 25 Business Days

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Technical Specification

SIEMENS 3TH3040-0AF0 Auxiliary Contactors Technical Specification

Auxiliary Contactors
Auxiliary Contact 4NO
Coil Voltage 110Vac
Model 3TH3

Product Details

Siemens 3TH3040-0AF0 - Contactor relay, 110 V 50 Hz. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Product Dimensions

SIEMENS 3TH3040-0AF0 dimensions and weight

Dimensions (L × W × H)
Length 8.2 cm
Width 8.6 cm
Height 4.5 cm
Weight
Net Weight 0.5 kg

Dimensions are approximate. For precise dimensional drawings, contact us.

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Product Overview

Siemens 3TH3040-0AF0 - Contactor relay, 110 V 50 Hz. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Frequently Asked Questions for 3TH3040-0AF0

The Siemens 3TH3040-0AF0 auxiliary contactor provides reliable auxiliary switching for control circuits, offering high mechanical endurance, low power consumption coils, compact modular design, and compatibility with Siemens motor starters and control devices.
It is used in control panels, automation systems, MCC panels, interlocking circuits, signalling applications, and auxiliary feedback switching for contactors and breakers.
It provides additional NO/NC contacts used for signalling, interlocking, status indication, and logic control functions, improving circuit flexibility and automation reliability.
Check the coil voltage, number of contacts required, mounting style, compatibility with the main contactor or relay, and control voltage specifications.
Ensure correct DIN rail or panel mounting, verify coil voltage, connect control wiring as per Siemens diagrams, and confirm proper terminal tightening for reliable operation.
Pricing varies depending on the contact configuration and coil rating. Visit Electrihub for updated Siemens auxiliary contactor pricing and stock details.
The official Siemens datasheet for 3TH3040-0AF0 is available on Electrihub, including wiring diagrams, technical data, and installation information.
The price of SIEMENS 3TH3040-0AF0 Auxiliary Contactors depends on specifications, availability, and market conditions. You can check the latest GST-inclusive price on Electrihub India, which provides genuine products, transparent billing, and PAN India delivery.
Yes. RAS Electrihub Private Limited provides PAN India delivery with reliable logistics, safe packaging, and doorstep delivery across all states and union territories.
Yes. RAS Electrihub Private Limited issues GST-compliant invoices and also supports PO-based invoicing for businesses, contractors, and organizations across India.
Yes. RAS Electrihub Private Limited operates as an ISO-certified organization, ensuring quality sourcing, authentic products, and standardized procurement and delivery processes.

Reviews & Ratings

4.4
9 reviews
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1
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Bhavin Shah Jul 23, 2026

Tested the 3TH3040-0AF0 on load. Typical SIEMENS reliability and zero coil chatter. RAS Electrihub customer support was also very helpful in confirming stock availability.

Manoj Tiwari Jul 23, 2026

Installed this SIEMENS 3TH3040-0AF0 in our PLC panel board. Works seamlessly without humming noise or heating issues. Thanks to RAS Electrihub for quick dispatch.

Sunil Yadav Jul 23, 2026

Received fresh batch stock of 3TH3040-0AF0 from RAS Electrihub. Quality is top-notch and delivery was faster than expected. Great platform for industrial buyers.

Rahul Soni Jul 23, 2026

Replaced our old damaged contactor with this SIEMENS 3TH3040-0AF0 bought from RAS Electrihub. Perfect fitting and seamless switching operation.

Manish Pandey Jul 23, 2026

Bought 5 units of 3TH3040-0AF0 Auxiliary Contactors from RAS Electrihub. Received GST invoice promptly and the products are 100% original SIEMENS. Will order again.

Praveen C. Nov 26, 2025

High-quality auxiliary switching device.

Steven S. Nov 26, 2025

High-quality auxiliary switching device.

Riya P. Nov 26, 2025

Efficient and reliable auxiliary contactor.

Paul C. Nov 26, 2025

Consistent operation across multiple control panel installations.

Related Categories

Contactors and Contactor Relays Auxiliary Contactors Capacitor duty contactor Earth Leakage Relay Motor Management Accessories Motor Protection Relay Motor Starter MPCB MPCB Accessories Over Load Relay Overload Relays Accessories Power Contactor Power Contactor Accessories Protective Relays Protective Relays Accessories

Tags

# SIEMENS # 3TH3040-0AF0 # Auxiliary # Contactor # 10A # Auxiliary # Contactor # 3TH3 # 4NO # Coil # Voltage # 110Vac # electrihub # electrical-supplies # electrical-supply-store
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