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Siemens 3RT2026-1BB44-3MA0 SIRIUS 3-Pole Contactor

Siemens SIRIUS 3RT2026-1BB44-3MA0 3-Pole Contactor

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ManufacturerSiemens

Part number3RT2026-1BB44-3MA0

Rated Current 25A (AC-3e/AC-3)

Power 11 kW @ 400V

Poles 3

Coil Voltage 24V DC

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24V DC Coil 2 NO + 2 NC Aux Contacts Captive Auxiliary Switch 25A Current Rating 11kW Power SIRIUS 3RT2 Series

Product description

The Siemens 3RT2026-1BB44-3MA0 is a robust 3-pole power contactor from the SIRIUS 3RT2 series, engineered for AC-3e/AC-3 applications. It features a 25A current rating and a 11 kW power capacity at 400V. This contactor is operated by a 24V DC coil and comes with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, plus a captive auxiliary switch for enhanced functionality.

This contactor is vital for motor control and automation in diverse industrial sectors, including manufacturing, automation, and process control. The 24V DC coil is standard in many control systems, and the captive auxiliary switch ensures reliable operation and simplifies maintenance.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT2026-1BB44-3MA0. We are committed to providing high-quality industrial components with reliable service and competitive pricing.

Technical specifications

Rated Current	25A (AC-3e/AC-3)
Power	11 kW @ 400V
Poles	3
Coil Voltage	24V DC
Aux Contacts	2 NO + 2 NC
Aux Switch	Captive
Terminal Type	Screw
Size	S0

Common applications

Motor Control

Industrial Automation

Manufacturing

Process Control

Control Panels

Machine Tools

Compatible systems

Compatible with Siemens overload relays and other SIRIUS 3RT2 series accessories.

Also known as

Siemens SIRIUS 3RT2026-1BB44-3MA0 3RT20261BB443MA0 Contactor Siemens 24V DC Contactor

Replaces / compatible with

This contactor is designed to replace older Siemens 3RT1026-1BB44-3MA0 models and is compatible with SIRIUS 3RT2 accessories.

Technical note

Expert tip

The captive auxiliary switch on this model simplifies installation and ensures reliable operation, especially in applications requiring interlocks.

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Frequently asked questions

What are the auxiliary contacts and coil voltage for the Siemens 3RT2026-1BB44-3MA0?

The Siemens 3RT2026-1BB44-3MA0 features a 24V DC coil and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts with a captive auxiliary switch.