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Siemens 3WT8322-7UA74-5AB1 High-performance Industrial Electrical Protection MCCB
US$50.00-1,200.00
1 Piece
Product profile
Customization
AvailableBreaking Capacity
Low Voltage Circuit BreakersOperation
Electric TypeModel NO.
3WT8322-7UA74-5AB1Speed
Normal Type Circuit BreakerArc-extinguishing Medium
AirInstallation
Rail TypeStructure
MCCBPoles Number
3Type
Circuit BreakerFunction
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCBCertification
VDE, ISO9001-2000, CE, CB, CCCTransport Package
CartonSpecification
unitTrademark
SIEMENSOrigin
GermanyHS Code
8536200000Production Capacity
1000/YearKey features
High Breaking Capacity: 66kA at 500V ensures safe interruption of severe short-circuit currents.
Advanced LSI Protection: Electronic Trip Unit with adjustable Long-time, Short-time, Instantaneous settings.
High Rated Current: Supports up to 3200A for robust industrial power distribution protection.
Smart Communication: Optional Modbus RTU, PROFINET IO, and PROFIBUS for SCADA integration.
Flexible Operation: Supports both manual pushbutton and motorized actuator control mechanisms.
Modular Design: Easy retrofitting and replacement of components like trip units and switches.
Dual Mounting Options: Available in fixed-mounted or withdrawable versions for versatile installation.
Robust Safety Features: Includes ready-to-close indicators, tripped signaling, and mechanical lockout.
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: ≤3.89h
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 3WT8322-7UA74-5AB1 MCCB?
A:
It provides robust electrical protection for industrial power systems by detecting and interrupting overcurrent conditions like overloads and short circuits to prevent equipment damage and fire hazards.
Q:What does 'LSI' protection mean for this MCCB?
A:
LSI refers to Long-time, Short-time, and Instantaneous tripping functions. Long-time protects against sustained overloads, short-time provides delayed protection for moderate faults, and instantaneous offers immediate interruption for severe short circuits.
Q:Can this MCCB be integrated into SCADA or BMS systems?
A:
Yes, optional communication modules like Modbus RTU, PROFINET IO, or PROFIBUS allow integration into SCADA and BMS for remote monitoring, fault diagnostics, and control.
Q:What is the difference between fixed-mounted and withdrawable versions?
A:
Fixed-mounted breakers are permanently installed, while withdrawable versions are mounted on a draw-out carriage, allowing easy disconnection for maintenance without dismantling main connections.
Q:What is the significance of the 66kA breaking capacity?
A:
The 66kA Icu rating indicates the maximum fault current the breaker can safely interrupt at 500V without permanent damage, ensuring safety and preventing catastrophic failures in high-fault scenarios.
Send Inquiry
*To:
Beijing Zhongping Technology Co., Ltd.
Beijing Zhongping Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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