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Siemens 3RT2026-1BB40 3-Pole DC Power Contactor

Siemens 3RT2026-1BB40 3-pole DC contactor, 25A, 24V DC coil.

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ManufacturerSiemens

Part number3RT2026-1BB40

Type Power Contactor

Poles 3

AC-3e/AC-3 Rating 25 A

Power (kW) 11 kW at 400 V

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AC-3e/AC-3 Duty 25A Current Rating 11kW Power Output 24V DC Coil Screw Terminals Size S0

Product description

The Siemens 3RT2026-1BB40 is a 3-pole power contactor designed for AC-3e/AC-3 duty, rated for 25A and 11kW at 400V. This size S0 contactor features a 24V DC coil, making it suitable for low-voltage DC control systems. It includes 1 NO + 1 NC auxiliary contacts and uses screw terminals for secure connection.

This DC coil contactor is often used in applications where DC control voltages are prevalent, such as in battery-powered systems, certain types of automation, or where specific safety requirements mandate DC operation. It's reliable for motor starting and load switching.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 3RT2026-1BB40. We provide dependable automation components to meet your operational needs.

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	1 NO + 1 NC
Terminal Type	Screw
Size	S0

Common applications

DC Control Systems

Motor Control

Load Switching

Industrial Automation

Battery Systems

Specialty Equipment

Compatible systems

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

Also known as

Siemens 3RT2026 BB40 3RT2026 DC Contactor Siemens S0 DC Contactor

Replaces / compatible with

Compatible with Siemens 3RT2 series accessories.

Technical note

Expert tip

Ensure the control voltage source is stable and meets the requirements for the 24V DC coil to ensure reliable operation.

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Frequently asked questions

What is the coil voltage for the Siemens 3RT2026-1BB40 contactor?

The Siemens 3RT2026-1BB40 features a 24V DC coil. This makes it suitable for applications that utilize a low-voltage DC control power supply.