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Siemens 3RT2026-1FB44-3MA0 25A Power Contactor

Siemens 3RT2026-1FB44-3MA0 25A 3-pole power contactor with 24V DC coil.

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ManufacturerSiemens

Part number3RT2026-1FB44-3MA0

Type Power Contactor

AC-3e/AC-3 Rating 25A

Max Power (400V) 11 kW

Poles 3

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CAGE: 9NK75

AC-3e/AC-3 rated 25A current 24V DC coil 2 NO + 2 NC auxiliary contacts Captive auxiliary switch Integrated diode

Product description

The Siemens 3RT2026-1FB44-3MA0 is a high-performance 3-pole power contactor designed for AC-3e/AC-3 applications, rated at 25A and 11kW for 400V systems. It features a 24V DC coil and is equipped with a plugged-in diode combination for efficient coil protection. This size S0 contactor provides 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, along with a captive auxiliary switch, and utilizes screw terminals for secure electrical connections.

This contactor is engineered for demanding industrial environments, suitable for motor control, load switching, and automation tasks in sectors such as manufacturing, water treatment, and material handling. Its robust design and additional auxiliary contacts make it versatile for complex control circuits requiring monitoring and signaling.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 3RT2026-1FB44-3MA0. We provide reliable, cost-effective automation solutions, ensuring you receive quality components for your operational needs. Choose Stanlo Automation for your industrial part requirements.

Technical specifications

Type	Power Contactor
AC-3e/AC-3 Rating	25A
Max Power (400V)	11 kW
Poles	3
Coil Voltage	24 V DC
Auxiliary Contacts	2 NO + 2 NC
Diode	Plugged-in
Auxiliary Switch	Captive
Terminals	Screw
Size	S0

Common applications

Motor control

Industrial automation

Control panels

Manufacturing

Water treatment

Material handling

Compatible systems

PLC outputs Control systems Motor starters Automation panels

Also known as

Siemens 3RT2 Contactor 3RT2026 Contactor Siemens S0 Contactor 3RT20261FB443MA0

Replaces / compatible with

This contactor is suitable for replacing older Siemens 3RT contactors or other brands with comparable specifications and coil voltage.

Technical note

Expert tip

The captive auxiliary switch offers reliable switching for control circuits and is essential for applications requiring feedback or interlock signals.

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Frequently asked questions

What is the function of the captive auxiliary switch on the 3RT2026-1FB44-3MA0?

The captive auxiliary switch on the Siemens 3RT2026-1FB44-3MA0 provides additional contacts (2 NO + 2 NC) that are permanently attached to the contactor. These can be used for signaling, interlocking, or other control functions within the automation system.