Product Description

Siemens SIRIUS Power Contactor 25A, 11kW, 400V, 3-Pole, 24V DC, Size S0 – 3RT2026-1BB408K

Product Description

The Siemens 3RT2026-1BB408K is a reliable Power Contactor from the SIRIUS 3RT2 series, designed for switching and controlling three-phase motors and industrial electrical loads. It features an AC-3e/AC-3 rating of 25A and is suitable for motors up to 11 kW at 400V. The contactor operates with a 24V DC control voltage and provides 1 NO + 1 NC auxiliary contacts for control, feedback, signaling, and electrical interlocking. It features 3 main poles, screw terminal connections, and a compact S0 size design. Siemens lists the corresponding 3RT2026-1BB40 as an active SIRIUS 3RT power contactor.

The Siemens 3RT2026-1BB408K is suitable for three-phase motor control, Motor Control Centers (MCC), DOL starters, pump control systems, compressors, conveyor systems, HVAC equipment, industrial machinery, OEM control panels, and factory automation. Its 24V DC control voltage makes it suitable for industrial automation and motor-control applications.

At SB Smart, Faridabad, we supply 100% genuine Siemens SIRIUS contactors, motor protection circuit breakers, overload relays, soft starters, MCCBs, MCBs, and industrial automation products at competitive prices. We provide GST invoices, expert technical support, bulk order assistance, secure packaging, and fast delivery across Faridabad, Delhi NCR, and all major cities in India, making SB Smart a trusted supplier for industries, OEMs, panel builders, and electrical contractors.

Key Features

• Genuine Siemens SIRIUS 3RT2 Power Contactor

• Model: 3RT2026-1BB408K

• Utilization Category: AC-3e/AC-3

• Rated Operational Current: 25A

• Motor Power: 11 kW at 400V

• Rated Operating Voltage: 400V

• 3-Pole Configuration

• Control Voltage: 24V DC

• Auxiliary Contacts: 1 NO + 1 NC

• Screw Terminal Connections

• Contactor Size: S0

• Suitable for three-phase motor switching

• Compact design for industrial motor-control applications

Applications

• Motor Control Centers (MCC)

• Industrial Automation Panels

• DOL Motor Starters

• Three-Phase Motor Control

• Pump Control Panels

• Compressors

• Conveyor Systems

• HVAC Systems

• Manufacturing Machinery

• OEM Electrical Panels

• Machine Control Panels

• Factory Automation

Benefits

• Reliable 25A AC-3e/AC-3 motor switching

• Suitable for motors up to 11 kW at 400V

• Reliable 24V DC control operation

• 1 NO + 1 NC auxiliary contacts for control and signaling

• Secure screw-terminal connections

• Compact and durable S0 design

• Easy integration into industrial motor-control systems

• Suitable for DOL starter applications

• Reliable Siemens SIRIUS performance

• Suitable for demanding industrial applications

Frequently Asked Questions (FAQs)

Q1. What is Siemens 3RT2026-1BB408K used for?

The Siemens 3RT2026-1BB408K is a SIRIUS power contactor designed for switching and controlling three-phase motors and industrial electrical loads. It is rated at 25A AC-3e/AC-3 and supports motors up to 11 kW at 400V.

Q2. What is the rated current of 3RT2026-1BB408K?

The contactor has a rated operational current of 25A in AC-3e/AC-3 applications.

Q3. What motor power can it handle?

The 3RT2026-1BB408K is suitable for motors up to 11 kW at 400V.

Q4. What is the control voltage?

The contactor operates with a 24V DC control voltage.

Q5. What auxiliary contacts are provided?

It includes 1 NO + 1 NC auxiliary contacts, which can be used for control, feedback, signaling, and electrical interlocking.

Q6. What type of terminals does it use?

The 3RT2026-1BB408K uses screw terminal connections for electrical wiring.

Q7. What is the contactor size?

The 3RT2026-1BB408K belongs to Size S0.

Q8. Is it suitable for DOL motor starters?

Yes. The contactor can be used in DOL motor starter assemblies with an appropriately selected motor protection device.

Q9. Is the Siemens 3RT2026-1BB40 an active product?

Yes. Siemens lists the corresponding 3RT2026-1BB40 as PM300: Active Product in its product catalog.

Q10. Why buy Siemens 3RT2026-1BB408K from SB Smart Faridabad?

SB Smart, Faridabad supplies 100% genuine Siemens industrial products with competitive pricing, expert technical support, GST invoices, bulk order assistance, secure packaging, and fast delivery across Faridabad, Delhi NCR, and throughout India.