Siemens 3RT2944-5AT61 SIRIUS Contactor Coil 600V AC, 60Hz, Spare Part for 3RT2.4 Power Contactors Original Brand New

Overview

The Siemens 3RT2944-5AT61 Magnetic Coil is a genuine SIRIUS spare part engineered for reliable operation in industrial control applications. Specifically designed for use with Siemens SIRIUS 3RT2.4 series power contactors, this AC coil is rated for a high control supply voltage of 600 V AC at 60 Hz. It ensures the quick, precise, and dependable switching of the main contacts within the compatible contactor, making it essential for maintenance and repair to minimize downtime.

Key Features & Specification

• Product Number: 3RT2944-5AT61
• Product Brand: Siemens SIRIUS
• Component Type: Magnetic Coil (Solenoid Coil)
• Control Voltage: 600 V AC
• Frequency: 60 Hz
• Compatibility: Designed for use with Siemens SIRIUS power contactors of the 3RT2.4 size/series (e.g., 3RT2044, 3RT2045, etc.).
• Application: Replacement or spare coil for control circuits in North American industrial systems.
• AC Operating Range (60 Hz): $0.8$ to 1.1×Us​ (rated control supply voltage)
• Apparent Pick-up Power (60 Hz): $326$ VA
• Apparent Holding Power (60 Hz): $22$ VA
• Weight (Approx.): $0.165$ kg

Benefit

• Maximized Uptime: As a direct spare part, it ensures a seamless replacement process, quickly restoring the full functionality of your Siemens 3RT2.4 contactor and keeping your machinery operational.
• High Reliability: Engineered by Siemens SIRIUS, this coil guarantees the quality and longevity required for demanding industrial environments.
• System Compatibility: Perfect electrical and mechanical fit for the specified 3RT2.4 contactors, eliminating compatibility issues.
• Optimized for North American Systems: The 600V AC, 60Hz rating is ideal for control circuits in applications using the North American voltage standard.

Function

The 3RT2944-5AT61 magnetic coil acts as the electromagnetic actuator for the 3RT2.4 power contactor. When the rated control voltage of 600 V AC, 60 Hz is applied, the coil generates a magnetic field that pulls the armature, closing the main contacts and allowing power to flow to the motor or load. Removing the control voltage de-energizes the coil, releasing the armature and opening the main contacts to safely switch off the load. This functionality is crucial for motor control and load switching in industrial panels.

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