ABB 1SFN164503R1000 Three-pole main contact kit

We will arrange delivery within 3-5 days after receiving the payment.

Our express delivery: DHL and FedEx.

Quality packing for each product

Destination country all taxes & duty to be paid by buyer

Only part of the brand and model, if you have other product needs, please contact us.

1. Product Overview

The ABB 1SFN164503R1000 is a Three-Pole Main Contact Kit designed for ABB high-power AC contactors. It includes a complete set of three-phase main contacts for replacing worn or damaged contacts in the main circuit, restoring the contactor’s rated performance and extending its service life.

As an original ABB spare part, this kit is manufactured using high-conductivity and arc-resistant materials, making it suitable for high-current and frequent switching industrial applications.

2. Technical Specifications

• Model: 1SFN164503R1000

• Product Type: Three-Pole Main Contact Kit

• Number of Poles: 3-pole (three-phase)

• Applicable Equipment: ABB high-power AC contactors (corresponding SFN series models)

• Rated Operational Voltage (Ue): Up to AC 690 V

• Rated Insulation Voltage (Ui): 1000 V

• Rated Operational Current (Ie): According to the matched contactor rating

• Contact Material: Silver alloy (Ag-based composite)

• Mounting: Internal, replaceable kit

• Operating Temperature Range: -25 ℃ to +55 ℃

• Standards: IEC 60947-4-1

3. Advantages & Features

1. Complete Three-Pole Replacement Kit
   Ensures consistent electrical performance across all phases.

2. Original ABB Compatibility
   Fully matched with ABB contactor mechanical and electrical design.

3. Excellent Current-Carrying Capacity
   Low contact resistance and reduced heat generation.

4. High Arc and Wear Resistance
   Designed for frequent switching and heavy-duty operation.

5. Extended Contactor Lifetime
   Significantly improves overall equipment lifespan after replacement.

6. Cost-Effective Maintenance Solution
   Eliminates the need to replace the entire contactor.

4. Application Areas

• Industrial motor control systems

• Maintenance and refurbishment of AC contactors

• Power distribution and control panels

• Pumps, fans, and compressors

• Metallurgy, mining, and chemical industries

• Automation system maintenance

5. Notes & Precautions

1. Always isolate the power supply before replacement.

2. Verify full compatibility between the kit and the contactor model.

3. Keep contacts clean and free from contamination during installation.

4. Check synchronized operation of all three poles after replacement.

5. Do not mix new and worn contacts in the same contactor.

6. Perform periodic inspections to monitor contact wear.