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Siemens 3RT2026-1BB44 DC Contactor with 2 NO + 2 NC Aux

Siemens 3RT2026-1BB44 3-pole DC contactor, 25A, 24V DC coil, 2 NO + 2 NC aux.

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ManufacturerSiemens

Part number3RT2026-1BB44

Type Power Contactor

Poles 3

AC-3e/AC-3 Rating 25 A

Power (kW) 11 kW at 400 V

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12-month warranty

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Veteran-owned

CAGE: 9NK75

AC-3e/AC-3 Duty 25A Current Rating 11kW Power Output 24V DC Coil 2 NO + 2 NC Auxiliary Contacts Removable Auxiliary Switch

Product description

The Siemens 3RT2026-1BB44 is a 3-pole power contactor for AC-3e/AC-3 duty, rated at 25A and 11kW at 400V. This size S0 unit operates with a 24V DC coil and is equipped with a 2 NO + 2 NC auxiliary contact configuration, along with a removable auxiliary switch for greater control flexibility. It uses screw terminals for secure connections.

This DC coil contactor is ideal for applications requiring more extensive control signaling within DC voltage systems. It's commonly used in specialized automation, industrial equipment with DC control logic, and systems where DC power is the primary control source.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RT2026-1BB44. We provide quality, cost-effective solutions to keep your operations running smoothly.

Technical specifications

Type	Power Contactor
Poles	3
AC-3e/AC-3 Rating	25 A
Power (kW)	11 kW at 400 V
Coil Voltage	24 V DC
Auxiliary Contacts	2 NO + 2 NC
Removable Auxiliary Switch	Yes
Terminal Type	Screw
Size	S0

Common applications

DC Control Systems

Motor Control

Automation Equipment

Industrial Machinery

Control Panels

Interlocking

Compatible systems

Suitable for general industrial control circuits with 24V DC control.

Also known as

Siemens 3RT2026 BB44 3RT2026 DC Contactor 2NO2NC Siemens S0 DC Contactor Aux

Replaces / compatible with

Compatible with Siemens 3RT2 series accessories.

Technical note

Expert tip

The integrated removable auxiliary switch allows for easy addition or removal of contacts without tools, simplifying setup and maintenance.

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Frequently asked questions

What is the auxiliary contact configuration on the Siemens 3RT2026-1BB44?

The Siemens 3RT2026-1BB44 is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. It also includes a removable auxiliary switch for expanded functionality.