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3TY7440-0A - Siemens Contact Kit

  • 3 Pole

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3TY7440-0A - Siemens Contact Kit Description

Siemens 3TY7440-0A Main Contact Kit for 3TF44 Contactors

If your 3TF44 contactor isn’t performing the way it used to, there’s a good chance the contacts are worn down. Instead of replacing the entire unit, the Siemens 3TY7440-0A main contact kit gives you a straightforward way to fix the problem and get things back to normal.

This kit is built specifically for 3TF44 contactors, so everything lines up the way it should. No guesswork, no forcing parts to fit. Once installed, it helps restore solid electrical contact and smoother switching—exactly what you want in systems that run day in and day out.

It’s a simple fix that can save both time and money, especially in maintenance situations where downtime isn’t an option. The simplest way to fix the problem is to change old contact to new ones and things turn normal again.

Key Features and Benefits

  • Made for Siemens 3TF44 contactors
  • Helps restore proper contactor function
  • Supports consistent electrical contact and switching
  • A practical alternative to full contactor replacement
  • Straightforward installation with a precise fit
  • Lightweight and easy to handle (0.055 kg)

Technical Specifications

  • Manufacturer: Siemens
  • Catalog Number: 3TY7440-0A
  • Product Type: Main Contacts
  • Series: 3TY7
  • Compatibility: 3TF44 Contactors
  • Net Weight: 0.055 kg

Material Compliance and Certifications

  • Substance Compliance Date: 07/01/2006
  • Meets Siemens material and environmental standards for industrial electrical components

Where It Works Best

  • This contact kit is commonly used in:
  • Motor control setups
  • Industrial machinery and production lines
  • Electrical panels in commercial or industrial buildings
  • Routine maintenance and repair jobs

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:2.188
  • Height:2.3
  • Depth:2.98
  • 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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