Siemens 3RT2026-1BW44 Power Contactor 25A, 11kW, 48V DC with Auxiliary Contacts Original Brand New

Overview

The Siemens 3RT2026-1BW44 is a high-performance power contactor engineered for reliable switching and control of electric motors and other industrial loads. As part of the SIRIUS 3RT2 series, this robust 3-pole contactor is designed for demanding AC-3e/AC-3 applications, offering a substantial 25 A current rating and a power capacity of 11 kW at 400 V. Its compact S0 size makes it ideal for space-constrained installations.

This model features a 48 V DC control voltage, ensuring efficient and reliable operation in DC control circuits. The integrated 2 NO + 2 NC auxiliary contacts provide versatile connectivity for signaling, interlocking, and control logic. The screw terminals offer a secure and easy-to-install connection, while the removable auxiliary switch adds flexibility for maintenance and configuration.

Benefit

• High Performance: Capable of handling significant loads with a 25 A rating and 11 kW power capacity.
• Reliable Operation: Designed for AC-3e/AC-3 applications, ensuring stable performance under heavy-duty conditions.
• Versatile Control: The 48 V DC coil voltage and 2 NO + 2 NC auxiliary contacts allow for seamless integration into various control systems.
• Space-Saving Design: The compact S0 size is perfect for optimizing panel space.
• Easy Installation & Maintenance: Features user-friendly screw terminals and a removable auxiliary switch for simplified setup and servicing.
• Enhanced Safety: The robust design and reliable switching capabilities contribute to safer industrial processes.

Function

• Motor Control: Serves as a primary component for starting, stopping, and reversing AC motors.
• Load Switching: Efficiently switches various resistive and inductive loads in industrial automation.
• Auxiliary Signaling: The 2 NO (Normally Open) and 2 NC (Normally Closed) contacts provide status feedback to PLCs, control relays, or indicator lights.
• Control Circuit Integration: Functions as a critical element within complex control circuits, interlocking, and safety systems.

Technical Specification

• Product Type: Power Contactor
• Product Designation: SIRIUS
• Product Number: 3RT2026-1BW44
• Current Rating (AC-3e/AC-3): 25 A
• Power Rating (AC-3e/AC-3): 11 kW at 400 V
• Number of Poles: 3
• Control Supply Voltage: 48 V DC
• Auxiliary Contacts: 2 NO + 2 NC
• Termination Type: Screw Terminal
• Size: S0
• Special Features: Removable Auxiliary Switch

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