Home › Manufacturers › Siemens › 3RT1026-1BB44

Siemens

Siemens SIRIUS 3RT1026-1BB44 Power Contactor - 25A, 3-Pole

Siemens SIRIUS 3-pole power contactor.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RT1026-1BB44

Type Power Contactor

AC-3 Rating 25A

Power Rating 11 kW @ 400V

Poles 3

Get a price for 3RT1026-1BB44

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

AC-3 rated 25A 11 kW power at 400V 24V DC coil 3-pole configuration 2 NO + 2 NC auxiliary contacts Size S0 frame

Product description

The Siemens 3RT1026-1BB44 is a robust 3-pole power contactor from the SIRIUS line, designed for reliable motor control applications. It features an AC-3 rating of 25A and can handle up to 11 kW at 400V. This model operates with a 24V DC coil and has 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, utilizing screw terminals for secure connections.

This contactor is ideal for a wide range of industrial and commercial applications, including motor control, pump systems, HVAC, and conveyor lines. Its durable construction ensures high-endurance switching and consistent performance in demanding environments.

Source your industrial automation needs from Stanlo Automation, a veteran-owned distributor committed to providing quality surplus parts. We offer competitive pricing, fast shipping, and expert support to ensure you get the right component for your application.

Technical specifications

Type	Power Contactor
AC-3 Rating	25A
Power Rating	11 kW @ 400V
Poles	3
Coil Voltage	24V DC
Auxiliary Contacts	2 NO + 2 NC
Frame Size	S0
Terminal Type	Screw Terminal

Common applications

Motor Control

Pump Systems

HVAC

Conveyor Lines

Industrial Automation

Compatible systems

Compatible with Siemens overload relays (e.g., 3RU11) and other SIRIUS 3RT accessories.

Also known as

Siemens SIRIUS 3RT1026-1BB44 3RT10261BB44 Siemens Contactor S0 25A DC

Replaces / compatible with

This is a phased-out product. The preferred successor is the SIRIUS 3RT2026-1BB44.

Technical note

Expert tip

Ensure proper wiring of auxiliary contacts for interlocking and signaling circuits to prevent short circuits or incorrect operation.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What are the key specifications of the Siemens 3RT1026-1BB44?

The Siemens 3RT1026-1BB44 is a 3-pole power contactor with an AC-3 rating of 25A and a power rating of 11kW at 400V. It features a 24V DC coil and has 2 NO + 2 NC auxiliary contacts, with screw terminals and an S0 frame size.