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Siemens 3RT2026-1FB40 25A 3-Pole Power Contactor

Siemens 3RT2026-1FB40 25A 3-pole power contactor with 24V DC coil and diode.

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ManufacturerSiemens

Part number3RT2026-1FB40

Type Power Contactor

AC-3e/AC-3 Rating 25A

Max Power (400V) 11 kW

Poles 3

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AC-3e/AC-3 rated 25A current 24V DC coil 1 NO + 1 NC auxiliary contacts Integrated diode combination Screw terminals

Product description

The Siemens 3RT2026-1FB40 is a 3-pole power contactor rated for AC-3e/AC-3 duty, handling 25A and 11kW at 400V. It operates with a 24V DC coil and is equipped with a plugged-in diode combination for coil protection. This size S0 contactor includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, and features screw terminals for secure connections.

This contactor is well-suited for switching motor loads and general industrial control applications. Its compact size and reliable performance make it a popular choice for motor control centers, automation panels, and machinery control systems in manufacturing, food processing, and packaging industries.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, provides the Siemens 3RT2026-1FB40. We are committed to offering high-quality, cost-effective solutions for your automation needs. Partner with Stanlo Automation for dependable parts and excellent service.

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	1 NO + 1 NC
Diode	Plugged-in
Terminals	Screw
Size	S0

Common applications

Motor control

Industrial automation

Control panels

Manufacturing

Food processing

Packaging machinery

Compatible systems

PLC outputs Control systems Motor starters

Also known as

Siemens 3RT2 Contactor 3RT2026 Contactor Siemens S0 Contactor 3RT20261FB40

Replaces / compatible with

This contactor can replace older Siemens 3RT series contactors or other brands with equivalent ratings and coil voltage.

Technical note

Expert tip

The integrated diode for coil protection means this contactor is suitable for direct connection to PLC outputs without additional external suppression.

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Frequently asked questions

What type of coil protection is included with the Siemens 3RT2026-1FB40?

The Siemens 3RT2026-1FB40 comes with a plugged-in diode combination for coil protection. This integrated circuit suppresses voltage spikes generated when the coil is de-energized, preventing damage to control circuits.