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3TY6440-0A - Siemens Contact Kit

  • 3 Pole

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3TY6440-0A - Siemens Contact Kit Description

Siemens 3TY6440-0A Main Contact Element

When your control system depends on precision, every component matters—and the Siemens 3TY6440-0A main contact element is built to deliver exactly that. Designed for seamless compatibility with Siemens 3TB44 contactors, this component plays a critical role in maintaining reliable electrical connections and smooth switching performance in your control circuits.

Whether you're replacing a worn part or keeping critical systems running without interruption, this contact element offers the kind of consistency and dependability professionals expect from Siemens. Its compact size makes it easy to integrate into tight control panels, while its solid construction helps ensure long-term performance in demanding industrial environments. Simply put, it’s a small part that does a big job—keeping your equipment operating safely and efficiently.

Key Features and Benefits

  • Precision-fit for Siemens 3TB44 contactor systems
  • Supports consistent and reliable electrical switching
  • Compact design ideal for space-limited control panels
  • Lightweight and easy to install or replace
  • Built to Siemens quality standards for dependable operation
  • Helps extend the life and performance of your control system

Technical Specifications

  • Manufacturer: Siemens
  • Catalog Number: 3TY6440-0A
  • MFN: 3TY64400A
  • Product Type: Main Contact Element
  • Net Weight: 0.198 lb
  • Dimensions (L x W x H): 2.047 x 1.929 x 2.874 inches
  • Country of Origin: Germany
  • Standard Delivery Time: 3 Days
  • Unit Quantity: 1 Piece

Material Compliance and Certifications

  • RoHS Compliant: Yes (since 03/01/2017)
  • REACH Compliance: Contains cadmium oxide (CAS 1306-19-0) above 0.1% per REACH Article 33
  • WEEE Directive: Subject to take-back requirements
  • Export Control: AL: N / ECCN: N
  • Hazard Classification: Not considered dangerous goods

Where It Works Best

  • You’ll find the Siemens 3TY6440-0A performing reliably in:
  • Industrial motor control systems
  • Automation and control panels
  • OEM machinery and equipment
  • Electrical maintenance and repair projects
  • Facilities where uptime and reliability are non-negotiable

This is a brand-new, aftermarket replacement contact kit, not an original OEM product. It is specifically designed to function as a compatible replacement. Use of any OEM part numbers is for reference and identification only. No affiliation or endorsement is implied.

Siemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are NOT supplied by Siemens AG or its affiliates.

Specifications

  • Width:1.92
  • Height:2.04
  • Depth:2.87
  • Poles:3
  • Sub-Category:Contact Kit
  • Additional Notes:This NEW contact kit we offer is a professionally designed after-market, MADE IN U.S.A., replacement contact kit, specifically manufactured to replace the OEM Kit.

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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