Siemens 3RT2526-2NF30 Power Contactor 25A, 11kW, 4-Pole with Integrated Varistor Original Brand New

Overview

The Siemens 3RT2526-2NF30 is a high-performance power contactor designed for reliable switching in industrial and commercial electrical systems. Featuring AC-3 rating, 25 A capacity, and capable of handling 11 kW at 400 V, this 4-pole contactor is built for durability and efficiency. Equipped with an integrated varistor for surge protection and spring-loaded terminals for secure connections, it ensures optimal performance in demanding environments.

Key Features & Benefit

• High Performance: Rated for AC-3, 25 A, 11 kW / 400 V applications.

• Durable Design: 4-pole configuration with main contacts: 2 NO + 2 NC and auxiliary contacts: 1 NO + 1 NC for versatile control.

• Enhanced Safety: Integrated varistor protects against voltage spikes and surges.

• Reliable Connections: Spring-loaded terminals provide secure and maintenance-free wiring.

• Flexible Operation: Works with 83-155 V AC/DC, 50/60 Hz, suitable for various industrial setups.

• Compact Size: Size S0 ensures easy installation in standard control panels.

Function

The Siemens 3RT25 contactor functions as an electrically operated switch. Upon applying the specified control voltage (83-155 V AC/DC) to the coil, it electromagnetically closes or opens the main contacts (2 NO, 2 NC), thereby connecting or disconnecting the load (e.g., a motor) from the power supply. The auxiliary contacts provide feedback to the PLC or control circuit about the contactor’s status. It is engineered for switching loads in AC-3 utilization category, which is typical for starting and stopping squirrel-cage motors while running.

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