Siemens 3RT1964-7A Arc Chute for 3RT1064 Power Contactors Original Brand New

Overview

The Siemens 3RT1964-7A is a high-quality, essential spare part designed specifically for the Siemens 3RT1064 series of power contactors. This arc chute, also known as an arc quenching chamber, plays a critical role in the safe and reliable operation of your contactor by effectively extinguishing the electrical arc that forms when the contacts open under load.

Replacing a worn or damaged arc chute with the genuine Siemens 3RT1964-7A ensures that your equipment continues to perform at its peak, protecting both the contactor and the overall system from potential damage and downtime. It is an indispensable component for maintenance and repair, guaranteeing the longevity and safety of your electrical installations.

Benefit

• Enhanced Safety: Prevents electrical arcs from damaging the contactor and surrounding components, significantly reducing the risk of fire and equipment failure.
• Extended Contactor Lifespan: By effectively managing arcs, the 3RT1964-7A minimizes contact wear and tear, extending the operational life of your Siemens 3RT1064 power contactor.
• Reliable Performance: Ensures consistent and predictable switching operations, maintaining the integrity of your industrial processes.
• Genuine Siemens Quality: Manufactured to strict Siemens standards, this arc chute provides a perfect fit and reliable performance, ensuring compatibility and durability.
• Cost-Effective Maintenance: A simple, yet crucial, replacement part that helps avoid the more significant cost and disruption of a full contactor replacement.

Function

The primary function of the Siemens 3RT1964-7A arc chute is to extinguish the electrical arc that is generated when the main contacts of the 3RT1064 contactor separate under electrical load. It achieves this by:

1. Breaking the Arc: The arc is forced into a series of metal plates or fins within the chute.
2. Cooling and Deionizing: The plates absorb the heat of the arc and spread it out, rapidly cooling the ionized gas (plasma) of the arc.
3. Extinguishing the Arc: As the gas cools and deionizes, its electrical resistance increases, causing the arc to be extinguished quickly and safely, preventing flashover and damage to the contactor’s internal components.

Technical Specification

• Product Number: Siemens 3RT1964-7A
• Application: Spare part for Siemens 3RT1064 series power contactors
• Type: Arc Chute / Arc Quenching Chamber
• Dimensions: Specifically designed for a precise fit with 3RT1064 models.
• Material: High-grade, arc-resistant materials for maximum durability and performance.

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