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Siemens 3RT2026-2FB44-3MA0 Power Contactor - 25A, 24V DC, Diode, 2 NO+2 NC

Siemens 3RT2026-2FB44-3MA0 3-pole power contactor, 24V DC coil, diode, 2 NO/2 NC aux.

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ManufacturerSiemens

Part number3RT2026-2FB44-3MA0

Type Power Contactor

AC-3e/AC-3 Rating 25A

Max Power 11 kW / 400 V

Poles 3

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AC-3e/AC-3 rated 3-pole configuration 24V DC coil 2 NO + 2 NC auxiliary contacts Captive auxiliary switch Integrated diode combination

Product description

The Siemens 3RT2026-2FB44-3MA0 is a 3-pole power contactor designed for AC-3e/AC-3 applications, rated at 25A and 11kW at 400V. This model features a 24V DC coil with a plugged-in diode combination for coil suppression. It includes a captive auxiliary switch with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, spring-loaded terminals, and is sized at S0.

This contactor is suitable for motor control and complex switching tasks in industrial automation where reliable DC control and transient protection are required. The 2 NO + 2 NC auxiliary configuration offers extended functionality for interlocking and signaling.

Stanlo Automation, a veteran-owned distributor of industrial surplus parts, offers the Siemens 3RT2026-2FB44-3MA0. We are dedicated to providing quality components and exceptional service to keep your automation projects on track.

Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	25A
Max Power	11 kW / 400 V
Poles	3
Coil Voltage	24 V DC
Auxiliary Contacts	2 NO + 2 NC
Auxiliary Switch	Captive
Coil Suppression	Plugged-in diode combination
Terminal Type	Spring-loaded
Size	S0

Common applications

Motor control

DC control systems

Automation systems

Industrial machinery

Control panels

Complex switching

Compatible systems

DC control circuits Siemens automation platforms Complex control systems

Also known as

Siemens 3RT2026-2FB44-3MA0 Contactor SIRIUS 3RT2 24V DC diode Siemens 25A 2NO2NC contactor

Replaces / compatible with

This contactor is part of the Siemens SIRIUS 3RT2 series, offering enhanced auxiliary contacts and diode suppression. Refer to Siemens documentation for specific compatibility.

Technical note

Expert tip

The 24V DC coil with integrated diode suppression in the 3RT2026-2FB44-3MA0 is designed for optimal performance and longevity in demanding DC control applications.

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Frequently asked questions

What is the benefit of the captive auxiliary switch on the Siemens 3RT2026-2FB44-3MA0?

The captive auxiliary switch on the Siemens 3RT2026-2FB44-3MA0 ensures that the auxiliary contacts are always securely attached and operational. This, combined with the 2 NO + 2 NC configuration, provides reliable signaling and interlocking for complex automation tasks.