Siemens SIRIUS 3RT2926-5AH21 Contactor Magnetic Coil 48V AC, 50/60 Hz, Size S0 Accessory Original Brand New

Overview

The Siemens 3RT2926-5AH21 is an essential replacement or spare magnetic coil specifically designed for a range of SIRIUS 3RT2 series power contactors. Operating on a standard low voltage of 48V AC (50/60 Hz), this coil is crucial for the electrical control and operation of compatible Siemens contactors, ensuring reliable switching for motor loads and other industrial applications. It is a vital component for maintaining the function and availability of your electrical systems.

Benefit

• Optimal Performance: Restore your Siemens 3RT2 contactors to their original operating specifications with a genuine, high-quality OEM spare part.
• Reliable Switching: The precise 48V AC coil voltage ensures dependable and consistent contactor pull-in and drop-out, minimizing downtime and maintenance issues.
• Broad Compatibility: Specifically engineered to fit multiple popular SIRIUS 3RT2 contactors (e.g., those up to Size S0), simplifying spare parts inventory.
• Durability: As part of the SIRIUS line, the coil is built to withstand demanding industrial environments and control panel conditions.
• Cost-Effective Maintenance: Replacing only the faulty coil is a more economical solution than replacing the entire contactor unit.

Function and Compatibility

The 3RT2926-5AH21 magnetic coil is the actuating component of the contactor. When the 48 V AC control voltage is applied, the coil generates a magnetic field that physically pulls the armature, closing the main power contacts and thus switching the motor or load.

Compatible Contactor Types (Common examples):

• 3RT2325-.A: 3-pole Contactor for resistive loads (AC-1)
• 3RT2.26-.A / 3RT2.27-.A: 3-pole Power Contactors (AC-3/AC-3e) for switching motors (typically Size S0, e.g., 3RT2026, 3RT2027)
• 3RT2028-.A: High-power 3-pole Contactor (AC-3/AC-3e) (typically Size S0)

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