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Siemens SIRIUS 3RT1026-1K Contactor - 25A, 3-Pole

Siemens SIRIUS 3-pole power contactor.

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ManufacturerSiemens

Part number3RT1026-1K

Type Power Contactor

AC-3 Rating 25A

Power Rating 11 kW @ 400V

Poles 3

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AC-3 rated 25A 11 kW power at 400V 3-pole configuration SIRIUS series reliability Size S0 frame

Product description

The Siemens 3RT1026-1K is a 3-pole power contactor belonging to the well-regarded SIRIUS series, designed for general industrial automation and motor control applications. This model is rated for AC-3 duty at 25A and can manage loads up to 11 kW at 400V. As a foundational model in the series, it offers reliable switching capabilities.

This contactor is suitable for a broad spectrum of applications, including motor starters, load feeders, and control circuits where a dependable 3-pole switching device is needed. Its robust construction ensures longevity in industrial settings.

Stanlo Automation, a veteran-owned surplus parts distributor, is your trusted source for industrial automation components. We provide quality parts at competitive prices, backed by fast shipping and exceptional customer service to keep your operations running smoothly.

Technical specifications

Type	Power Contactor
AC-3 Rating	25A
Power Rating	11 kW @ 400V
Poles	3
Frame Size	S0
Terminal Type	Screw Terminal

Common applications

Motor Control

Load Switching

Industrial Automation

Control Panels

Compatible systems

Designed to integrate with Siemens overload relays and other SIRIUS 3RT accessories.

Also known as

Siemens SIRIUS 3RT1026-1K 3RT10261K Siemens 3-pole contactor

Replaces / compatible with

This is a legacy or foundational part number within the SIRIUS 3RT10 series. Refer to newer SIRIUS 3RT2 models for current equivalents.

Technical note

Expert tip

While basic, ensure appropriate overload protection is paired with this contactor for complete motor protection circuits.

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Frequently asked questions

What is the general application for the Siemens 3RT1026-1K?

The Siemens 3RT1026-1K is a general-purpose 3-pole power contactor from the SIRIUS series, suitable for switching motors and other loads in industrial automation and control panel applications.