Siemens SIRIUS 3RT2944-5AD01 Replacement Magnetic Coil, 42V AC, 50 Hz, for 3RT2.4 Contactors Original Brand New

Siemens SIRIUS 3RT2944-5AD01 Magnetic Coil

The Siemens 3RT2944-5AD01 is a high-quality, genuine replacement magnetic coil specifically designed for use with Siemens SIRIUS 3RT2.4 series power contactors. This essential component ensures the correct function and reliability of your contactor by providing the necessary electromagnetic force to operate the main contacts.

Rated for a 42 V AC control supply voltage at 50 Hz, this coil is the exact spare part required for maintaining the specified performance of your control system. As part of the SIRIUS line, it guarantees compatibility and long-term durability for demanding industrial applications.

Technical Specification

• Product ID: 3RT2944-5AD01
• Manufacturer: Siemens
• Product Family: SIRIUS Control Devices / Solenoid Coils
• Contactor Series Compatibility: 3RT2.4 (Contactor Size S3)
• Control Supply Voltage: $42\text{ V AC}$
• Frequency: $50\text{ Hz}$
• Type of Voltage: AC (Alternating Current)
• Weight (Approx.): $0.167\text{ kg}$
• Product Designation: Magnet coil

Benefit

• Guaranteed Compatibility: Designed by Siemens for a perfect fit and seamless operation with the 3RT2.4 contactor series (Size S3).
• Reliable Performance: Genuine Siemens component ensures the magnet system functions within original specifications, minimizing the risk of contactor failure.
• Extended Contactor Lifespan: Replacing a worn or damaged coil is an efficient way to refurbish your existing contactor, avoiding the higher cost of a full unit replacement.
• Quality and Safety: Manufactured under stringent Siemens quality standards for dependable and safe operation in industrial control circuits.

Function

The 3RT2944-5AD01 magnetic coil is the core component that converts electrical energy into mechanical movement within the contactor. When the $42\text{ V AC},50\text{ Hz}$ control voltage is applied, the coil generates a magnetic field that pulls the armature, closing the main power contacts.

Application

• Replacement and maintenance for SIRIUS 3RT2.4 power contactors.
• Industrial control panels and motor control centers.
• Automated machinery requiring switching of high currents.
• Any system utilizing a $42\text{ V AC},50\text{ Hz}$ control circuit for Size S3 contactors.

Installation & Maintenance

The coil is a straightforward spare part replacement, typically plug-and-play within the 3RT2.4 contactor housing. Always ensure the control voltage matches the coil rating ($42\text{ V AC},50\text{ Hz}$) before installation and follow all manufacturer safety guidelines.

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