How do I mount this contactor?

It can be mounted on a standard 35mm DIN rail or directly onto a panel using screws, ensuring a secure and stable attachment to prevent vibration issues.

What is the difference between AC-3 and AC-1 ratings?

AC-3 is for motor starting with high inrush currents, while AC-1 is for non-inductive or slightly inductive loads like heaters, allowing higher continuous current for resistive applications.

Are there any specific wiring precautions for the spring-loaded terminals?

Ensure wires are stripped to the correct length (8-10mm), inserted fully, and for stranded wires, use ferrules to prevent strand splaying and ensure a secure connection.

What is the typical lifespan of this Siemens contactor?

Under typical conditions, it can endure hundreds of thousands to millions of switching cycles, with longevity dependent on proper installation, maintenance, and adherence to operating limits.

SIEMENS 3RT2015-1BB41-1AA0 compact AC contactor for motor starting

Name: SIEMENS 3RT2015-1BB41-1AA0 compact AC contactor for motor starting
Brand: Beijing Zhongping Technology Co., Ltd.
SKU: 2119286402

Beijing, ChinaBeijing Zhongping Technology Co., Ltd.

US$33.82

1 Piece

Product profile

Customization

Available

Electricity Type

Number of Pole

Model NO.

3RT2015-1BB41-1AA0

Phase

Main Circuit Rating Voltage

380V

Main Circuit Rating Current

Not Involving

Type

Ac Contactors

Transport Package

Carton

Specification

one

Trademark

SIEMENS

Origin

Germany

HS Code

8536300000

Production Capacity

1000/Year

Key features

High Reliability Design: Engineered for demanding motor starting with robust construction and Siemens quality.

Compact Footprint: Saves valuable panel space with dimensions of 84mm x 45mm x 93mm.

Integrated Auxiliary Contacts: Includes 1 NO + 1 NC contacts for signaling and interlocking without external components.

Spring-Loaded Terminals: Provides vibration-resistant connections for secure and fast wiring installation.

Versatile Mounting Options: Supports standard 35mm DIN rail or direct panel mounting for flexible installation.

Optimized for AC Motors: Rated for 5.5kW at 400V AC-3 duty, ideal for motor starting and switching.

IP20 Protection Rating: Ensures safe operation in industrial settings with standard protection against solid objects.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityLow MOQ100% Finished Products Inspection

Beijing Zhongping Technology Co., Ltd.

Beijing, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤4.52h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier providing 3D software design, ODM, industrial automation, product sales, installation, commissioning, maintenance, and repair services. It supports extensive customization and has documented finished-product inspection instructions, quality assurance, and stated lead times within 15 working days in both peak and off-peak seasons. However, it has no overseas showrooms, agents, branches, or offline trade-show experience, and no new products were developed in the past year. Supplier-management, corrective-action, and complaint-handling procedures exist but lack written records. Certification is listed as NIL, quality-control staffing is below five, and R&D engineer experience totals two years. Export activity is established, with 31%–40% of sales from exports and three years of export experience. Evidence of specific customer cases is not provided.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and provides industrial automation-related one-stop services, including product sales, solutions, installation and commissioning, maintenance, and repair. Its stated focus covers cement, packaging, printing, rubber, textile, and machine-tool industries.

CertificationsSupplier management system certification is explicitly recorded as NIL. The provided information therefore does not demonstrate possession of relevant certifications.

After-Sales capabilityThe supplier states that it provides installation, commissioning, maintenance, and repair services and has a quality-assurance system. However, it has no overseas showroom, agent, or branch, and its complaint-handling procedure has no written records, limiting evidence of formalized after-sales execution.

Production capacityThe supplier reports lead times within 15 working days during both peak and off-peak periods, maintains written and uniformly followed finished-product inspection instructions, and lists annual production output above the stated threshold. Nevertheless, quality-control staffing is below five and the service-capability assessment procedure has no records.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same capability is confirmed in two slices, providing direct evidence of broad customization coverage.

Product Q&A

Q:What is the primary function of the Siemens 3RT2015-1BB41-1AA0?

It serves as a compact AC contactor designed for the safe and reliable starting and switching of industrial electric motors, handling inrush currents and enabling complex control logic via auxiliary contacts.

Q:What is the maximum motor power this contactor can control?

At 400V AC, it can reliably control motors up to 5.5 kW under AC-3 duty conditions.

Q:Can this contactor be used for DC motor starting?

No, it is specifically designed for AC applications. Using it for DC motors can cause dangerous arcing and contact damage due to different arc suppression requirements.

Q:What type of terminals does the 3RT2015-1BB41-1AA0 use?

It features integrated spring-loaded terminals that offer vibration resistance, consistent clamping force, and faster wiring without the need for screwdrivers.

Q:What is the significance of the 1 NO + 1 NC auxiliary contacts?

These contacts allow for signaling motor status (NO) and implementing safety interlocks (NC) within control circuits, simplifying panel design and reducing the need for external relays.