Power Contactor AC-3 7 A 3 kW / 400 V 1 NO 24 V DC Coil 3-Pole Size S00 Screw Terminals - 3RT2015-1BB41-8K

Product Description

The Siemens 3RT2015-1BB418K is a compact and reliable SIRIUS power contactor designed for switching and controlling three-phase motors in industrial, commercial, and automation applications. It is suitable for AC-3e/AC-3 applications at 7 A and motor loads up to 3 kW at 400 V. The contactor features a 24 V DC control coil, 3 main poles, 1 NO auxiliary contact, screw terminal connections, and a compact S00 size. Siemens technical data identifies the corresponding 3RT2015-1BB41 variant with these specifications.

The Siemens SIRIUS 3RT2015-1BB418K is suitable for DOL motor starters, motor control panels, pumps, compressors, conveyors, HVAC equipment, machine tools, industrial automation, factory electrical systems, and OEM control panels. Its compact S00 construction helps optimize panel space while providing dependable switching performance for three-phase motor-control applications.

The 24 V DC control coil makes this contactor suitable for DC control circuits commonly used in industrial automation, PLC-based systems, machine control, and motor starter panels. The 1 NO auxiliary contact can be used for holding circuits, control logic, signalling, electrical interlocking, and status feedback.

Key Features

• Brand: Siemens

• Product Family: SIRIUS 3RT

• Model: 3RT2015-1BB418K

• Product Type: Power Contactor

• Utilization Category: AC-3e/AC-3

• Rated Operational Current: 7 A

• Motor Rating: 3 kW at 400 V

• Main Poles: 3-Pole

• Control Coil: 24 V DC

• Auxiliary Contact: 1 NO

• Terminal Connection: Screw Terminals

• Contactor Size: S00

• Application: Three-phase motor switching and control

Applications

The Siemens 3RT2015-1BB418K is suitable for:

• Three-phase motor control

• DOL motor starter applications

• Industrial motor control panels

• PLC and automation control systems

• Pump control systems

• Compressor systems

• Conveyor systems

• HVAC equipment

• Machine tools

• Factory electrical panels

• OEM control panels

• Industrial motor switching applications

Benefits

• Reliable 7 A AC-3e/AC-3 motor switching

• Suitable for motors up to 3 kW at 400 V

• 24 V DC control coil for DC control systems

• 1 NO auxiliary contact for control and signalling

• Secure screw-terminal connections

• Compact S00 construction

• Suitable for industrial automation and motor-control panels

• Easy integration with compatible Siemens motor protection devices

• Space-efficient solution for motor starter applications

• Reliable Siemens SIRIUS technology

Why Choose Siemens 3RT2015-1BB418K?

The Siemens SIRIUS 3RT2015-1BB418K provides dependable switching for three-phase motor-control applications. Its 7 A AC-3 rating, 3 kW motor capacity at 400 V, 24 V DC coil, 3-pole configuration, 1 NO auxiliary contact, screw terminals, and S00 compact design make it suitable for motor starters, electrical control panels, machine automation systems, and industrial switching applications.

The 1 NO auxiliary contact provides an additional control point for holding circuits, signalling, feedback, electrical interlocking, and control logic. The compact S00 design is useful for applications where efficient control-panel space utilization is important.

At SB Smart, Faridabad, we supply genuine Siemens SIRIUS power contactors, thermal overload relays, motor protection relays, motor protection circuit breakers, soft starters, MCCBs, MCBs, and industrial automation products at competitive prices. We provide GST invoices, technical assistance, bulk-order support, secure packaging, and delivery across Faridabad, Delhi NCR, and major cities throughout India.

Whether you are sourcing a Siemens contactor for a motor starter, electrical control panel, PLC automation project, machine-control application, replacement requirement, or bulk procurement, SB Smart provides product assistance and nationwide supply support.

Frequently Asked Questions

Q1. What is Siemens 3RT2015-1BB418K?
It is a Siemens SIRIUS power contactor designed for switching and controlling three-phase motors and industrial electrical loads.

Q2. What is the rated current?
The contactor is rated at 7 A for AC-3e/AC-3 applications.

Q3. What motor power can it handle?
It is suitable for motor applications up to 3 kW at 400 V.

Q4. What is the control coil voltage?
It uses a 24 V DC control coil.

Q5. How many main poles does it have?
It has 3 main poles for three-phase motor switching.

Q6. Does it have an auxiliary contact?
Yes. It has 1 NO auxiliary contact.

Q7. What type of terminals does it use?
It uses screw terminal connections.

Q8. What is the contactor size?
It is a compact S00-size Siemens SIRIUS contactor.

Q9. Can it be used in a DOL starter?
Yes. It can be used as the main contactor in a DOL motor starter when paired with suitably rated motor-protection equipment.

Q10. Where can I buy Siemens 3RT2015-1BB418K in India?
SB Smart, Faridabad supplies Siemens SIRIUS contactors and industrial electrical and automation products with GST billing, technical assistance, bulk-order support, secure packaging, and delivery across India.