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SIEMENS 5SM9121-6KK 5SM full range of residual current circuit breakers
US$24.82
1 Piece
Product profile
Customization
AvailableBreaking Capacity
Low Voltage Circuit BreakersOperation
Electric TypeModel NO.
5SM9121-6KKSpeed
Normal Type Circuit BreakerArc-extinguishing Medium
AirInstallation
Rail TypeStructure
MCBPoles 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
oneTrademark
SIEMENSOrigin
GermanyHS Code
8536200000Production Capacity
1000/YearKey features
Full-Range Residual Current Detection: Detects both sinusoidal AC and pulsating DC residual currents for comprehensive safety.
High Sensitivity 10 mA Protection: 10 mA rated residual current ensures superior personal protection against electric shock.
6 kA Breaking Capacity: Safely interrupts fault currents up to 6 kA, protecting downstream equipment from damage.
DIN Rail Mounting Design: Compact design allows easy and secure installation on standard 35 mm DIN rails.
IEC/EN 61008-1 Compliance: Meets international safety standards for reliable performance in diverse industrial applications.
Visual Trip Indicator: Clear visual indicator simplifies diagnostics and maintenance by showing tripping status.
Dual-Pole Isolation: Effectively isolates both live and neutral conductors for enhanced safety during maintenance.
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: ≤2.86h
AI-Powered supplier vetting
SummaryThe supplier is a professional technology provider with strong R&D capabilities, offering extensive customization and 3D software design services. However, it lacks new product innovation in the past year and does not offer overseas showrooms or participation in international trade shows. Financial data indicates stability, but there are no certifications for supplier management systems. The supplier has a limited number of quality control staff, potentially affecting production oversight. Despite these shortcomings, the company provides comprehensive after-sales services, ensuring factory production efficiency.
Supplier typeThe supplier is characterized as a professional technology supplier, serving industries such as cement, packaging, printing, and machine tools, and offering one-stop services including product sales and maintenance.
CertificationsThe supplier does not hold any certifications for supplier management systems.
After-Sales capabilityThe supplier provides comprehensive after-sales services, including installation, maintenance, and repair, to ensure efficient factory production.
Financial creditThe supplier's financial data from the last three years suggests stability, with consistent cash flow and financial capacity indicators.
R&D capabilityThe supplier has not introduced new products in the past year, indicating a lack of recent innovation.
Customization capabilityThe supplier excels in customization, offering full, minor, and flexible customization services, including 3D software design.
Product Q&A
Q:What is the primary function of the Siemens 5SM9121-6KK RCCB?
A:
The primary function is to provide essential protection against electric shock resulting from earth faults by monitoring current balance and rapidly disconnecting power if an imbalance is detected.
Q:What type of residual currents does the Siemens 5SM9121-6KK detect?
A:
It is a Type AC RCCB designed to detect sinusoidal alternating residual currents and pulsating direct residual currents, but it does not protect against smooth DC residual currents.
Q:How does the 10 mA rated residual current benefit users?
A:
The 10 mA sensitivity provides a high level of protection by tripping at a lower leakage current, significantly reducing exposure time to lethal currents in high-risk environments.
Q:Is the Siemens 5SM9121-6KK suitable for overload protection?
A:
No, it is designed only for residual current protection. It must be used in series with fuses or miniature circuit breakers (MCBs) to provide overload and short-circuit protection.
Q:What is the meaning of 'full-range' in the context of this Siemens RCCB?
A:
Full-range signifies the capability to detect both sinusoidal alternating residual currents and pulsating direct residual currents, offering broader safety coverage than AC-only devices.
Send Inquiry
*To:
Beijing Zhongping Technology Co., Ltd.
Beijing Zhongping Technology Co., Ltd.*Content:
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