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SIEMENS 3RT2027-2KF40 high-capacity AC contactor for power distribution
US$215.31
1 Piece
Product profile
Customization
AvailableElectricity Type
ACNumber of Pole
3Model NO.
3RT2027-2KF40Phase
3Main Circuit Rating Voltage
380VMain Circuit Rating Current
Not InvolvingType
Ac ContactorsTransport Package
CartonSpecification
oneTrademark
SIEMENSOrigin
GermanyHS Code
8536300000Production Capacity
1000/YearKey features
High Capacity Switching: Rated for 40A at 400V AC-3 duty, ideal for motor control and inductive loads.
Robust Auxiliary Contacts: Features 2 NO and 2 NC contacts for flexible interlocking and control logic.
Compact S2 Design: Space-saving footprint optimized for modern industrial control panels.
International Compliance: Meets IEC/EN 60947, UL, and CSA standards for global safety and reliability.
Flexible Terminal Options: Supports both screw and spring-loaded terminals for secure wiring connections.
Precise Coil Voltage: Designed for 230V AC coil to ensure stable energization and operation.
IP20 Protection: Protected against solid objects larger than 12.5mm for safe indoor use.
Company profile
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: ≤4.15h
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 maximum voltage this Siemens contactor can handle?
A:
The Siemens 3RT2027-2KF40 is rated for operational currents up to 40 Amps at 400 Volts under AC-3 duty. It is designed for AC power distribution and ensures reliable performance within these specified voltage and current limits.
Q:Can this contactor be used for DC applications?
A:
No, the Siemens 3RT2027-2KF40 is specifically designed for AC applications. Using it in a DC circuit would likely lead to premature failure, arcing, and safety hazards due to the continuous current flow without zero crossings.
Q:How do I determine the correct coil voltage for my application?
A:
The coil voltage must precisely match the available control power supply. This model is specified with a 230V AC coil, requiring a 230-volt AC source to operate. Always verify the voltage rating of your control circuit before installation.
Q:What are the benefits of the 2 NO + 2 NC auxiliary contacts?
A:
The 2 normally open and 2 normally closed contacts provide versatility for remote monitoring, interlocking, and feedback mechanisms. This integrated functionality reduces the need for external relays, simplifying wiring and cabinet space.
Q:How does the S2 size designation benefit my control panel design?
A:
The S2 size indicates a standardized, compact physical footprint within the Sirius 3RT2 series. This allows engineers to pack more functionality into a smaller enclosure, reducing overall system footprint and installation costs.
Send Inquiry
*To:
Beijing Zhongping Technology Co., Ltd.
Beijing Zhongping Technology Co., Ltd.*Content:
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