Siemens 3RT2026-2FB44-3MA0 Power Contactor, 25A, 11kW, 24V DC, S0 Size, 2 NO + 2 NC Aux Contacts, Spring-Loaded Original Brand New

Overview

The Siemens 3RT2026-2FB44-3MA0 is a high-performance power contactor from the SIRIUS 3RT2 series, engineered for reliable switching and control of motors and other industrial loads. This robust 3-pole contactor is rated for AC-3e/AC-3 operation, handling up to 25 A and 11 kW at 400 V. Its compact S0 size makes it ideal for space-constrained applications. The integrated 24 V DC control coil with a plugged-in diode combination ensures efficient and secure operation, while the spring-loaded terminals simplify wiring and provide a vibration-proof connection.

Key Features

• Model: Siemens 3RT2026-2FB44-3MA0
• Contactor Type: Power Contactor, 3-pole
• Rated Current: 25 A (AC-3e/AC-3)
• Rated Power: 11 kW at 400 V
• Control Coil Voltage: 24 V DC with plugged-in diode combination
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC), captive switch
• Connection Type: Spring-loaded terminals for fast, reliable wiring
• Size: S0 (Standard Sizing for SIRIUS modular system)
• Safety & Reliability: Captive auxiliary switch for enhanced safety and compliance.

Benefit

• Space-Saving Design: The compact Size S0 allows for higher density installations in control cabinets and panels.
• Fast & Secure Wiring: Spring-loaded terminals reduce installation time and provide a gas-tight, vibration-proof connection, minimizing maintenance needs.
• Versatile Application: Suitable for a wide range of motor control applications, including AC-3 and the more energy-efficient AC-3e class.
• Enhanced Reliability: The 24 V DC control coil with a diode combination offers excellent operational stability and reduces coil power consumption.
• Integrated Functionality: Comes with 2 NO and 2 NC auxiliary contacts built-in, eliminating the need for separate add-on blocks.
• Long Service Life: Engineered with high-quality materials and robust design for a long mechanical and electrical service life.

Function & Application

The Siemens 3RT2026-2FB44-3MA0 is primarily used for switching and controlling three-phase motors and other electrical loads in industrial environments. Its typical applications include:

• Motor starters
• Pump control
• Fan control
• Conveyor systems
• Heating, ventilation, and air conditioning (HVAC) systems
• General industrial automation and control circuits

Technical Specification

• Product: Power Contactor
• Model No.: 3RT2026-2FB44-3MA0
• Series: SIRIUS 3RT2
• Poles: 3-pole
• Rated Operational Current (AC-3/AC-3e): 25 A (at 400 V)
• Rated Operational Power (AC-3/AC-3e): 11 kW (at 400 V)
• Operating Voltage: Up to 690 V
• Control Supply Voltage: 24 V DC
• Auxiliary Contact Configuration: 2 NO + 2 NC
• Mounting: DIN rail or screw fixing
• Operating Temperature: -25 to +60°C
• Standards: IEC 60947, UL, CSA

For more our products visit turll