Siemens 3TB4101-0XL0 Contactor, AC-50 Hz, 125/127V, 12A, 5.5kW, Size 0, 1NC Auxiliary Contact Original Brand New

Overview

The Siemens 3TB4101-0XL0 is a robust and reliable AC contactor designed for switching electrical loads in industrial applications. This contactor operates on an AC 50 Hz control voltage of 125/127 V and is rated for a 400 V, 12 A load, handling up to 5.5 kW. It is a Size 0 device featuring a single normally-closed (NC) auxiliary contact and secure screw connections for easy installation. This component is essential for controlling motors and other electrical equipment in a wide range of machinery and systems.

Key Features and Benefit

• High Performance: Rated for 12 A at 400 V, making it suitable for medium-power applications up to 5.5 kW.
• Reliable Operation: Designed to switch AC loads reliably, ensuring the safe and efficient operation of connected equipment.
• Built-in Safety: The included 1 NC auxiliary contact provides feedback or can be used for interlocking, enhancing system safety and control.
• Compact Design: Its Size 0 form factor saves space within control panels and electrical cabinets.
• Easy Installation: Features screw terminals for straightforward and secure wiring connections.
• Durable Construction: Made by Siemens, a leader in industrial automation, this contactor is built for long-term reliability in demanding environments.

Function

A contactor is an electrically controlled switch used to switch a power circuit, similar to a relay, but with higher current ratings. The Siemens 3TB4101-0XL0 controls the flow of electricity to a motor or other load. When the 125/127V AC coil is energized, it closes the main power contacts, allowing power to flow to the connected equipment. The normally-closed (NC) auxiliary contact opens when the contactor is energized, and closes when it’s de-energized, providing a signal that can be used in control circuits.

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