Siemens SIRIUS 3RT2026-1BW40 Power Contactor 25A, 11kW, 48V DC, Size S0 Original Brand New

Overview

The Siemens SIRIUS 3RT2026-1BW40 is a high-performance power contactor designed for reliable and efficient switching of AC loads. Part of the renowned SIRIUS series, this compact size S0 contactor is engineered for demanding industrial applications. It features a robust 3-pole design and is rated for AC-3e/AC-3 operation at 25 A, handling motor loads up to 11 kW at 400 V.

The integrated 48 V DC coil offers flexible control, while the built-in 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts provide versatile feedback and interlocking options. With its secure screw terminals, the 3RT2026-1BW40 ensures a solid and safe connection, making it an ideal choice for motor control, switching resistive loads, and general power distribution within industrial automation systems.

Key Benefit

• High Performance & Reliability: Engineered by Siemens, a global leader in industrial automation, ensuring long-term reliability and superior performance in harsh environments.
• Space-Saving Design: The compact Size S0 form factor allows for efficient use of panel space, making it perfect for installations with limited room.
• Versatile Application: Suitable for a wide range of applications including motor control, switching resistive loads, and general power switching tasks.
• Flexible Control: The 48 V DC control voltage coil provides compatibility with various DC control systems, offering flexibility in system design.
• Integrated Auxiliary Contacts: The built-in 1 NO + 1 NC auxiliary contacts simplify wiring and provide immediate feedback on the contactor’s status without the need for additional modules.
• Secure & Easy Installation: Screw terminals provide a reliable and robust connection, ensuring safety and ease of installation and maintenance.

Technical Specification

• Product Number: 3RT2026-1BW40
• Product Type: Power Contactor
• Series: Siemens SIRIUS 3RT2
• Rated Operational Current (AC-3e/AC-3): 25 A
• Rated Power: 11 kW at 400 V
• Number of Poles: 3-pole
• Control Supply Voltage: 48 V DC
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Terminals: Screw Terminals
• Size: S0
• Mounting: Snap-on mounting on standard mounting rail or screw mounting
• Operational Class: AC-3e, AC-3 (suitable for motor switching)
• Operating Temperature: -25 to +60 °C

Application

• Motor control for pumps, fans, and conveyor systems.
• Switching of resistive loads like heating elements and lighting.
• Integration into industrial control panels and automation systems.
• Power switching for machinery and equipment.

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