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5SY4120-7 Siemens
Based on over 4900 reviews
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Key specifications
Manufacturer
Siemens
HS code
85362010
Ship to
Global
Availability
1995 remaining
Express delivery to your country
Full 12-month warranty
Secure payment process
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The Siemens 5SY4120-7 is a robust miniature circuit breaker designed to provide overcurrent protection in a variety of applications. Engineered for reliability, this single-pole breaker is rated for 400 V AC with a tripping characteristic class of C, making it suitable for commercial and industrial installations. With a rated current of 20 A and a breaking capacity of 10 kA according to EN 60898, it ensures a high level of protection for electrical circuits against overload and short-circuit conditions. This circuit breaker features a compact design, measuring 89.8 mm in height, 17.6 mm in width, and 76.4 mm in depth, which allows for efficient use of space within electrical distribution boards. The quick assembly system facilitates easy installation and maintenance, while the ability to connect a range of conductor cross-sections from 0.75 mm² to 35 mm² solid or stranded, and up to 25 mm² finely stranded with core end processing, offers versatility for different wiring requirements. Constructed with safety in mind, the 5SY4120-7 is halogen-free and offers touch protection, ensuring additional safety during operation and handling. It also supports a wide range of ambient operating temperatures from -40 °C to 70 °C, making it resilient in varying environmental conditions. The product is also vibration resistant according to IEC 60068-2-6, which ensures continued performance and reliability even in environments subject to mechanical disturbances. The Siemens 5SY4120-7 miniature circuit breaker is a dependable choice for those seeking a high-quality protective device that combines functionality with durability for their electrical protection needs.
Typical applications
- Protection of electrical circuits against overload and short-circuit in residential and commercial buildings
- Use in distribution boards for safeguarding lighting and power circuits
- Integration into control panels for industrial machinery and equipment
- Application in infrastructure projects, such as energy distribution in public and private utilities
- Installation in modular switchgear systems for circuit protection in data centres
- Utilisation in HVAC systems to protect against electrical faults
- Implementation in renewable energy systems, including solar panel arrays and wind turbines, for circuit safety
- Deployment in automation systems for safeguarding sensors and control units
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Full 12-month warranty
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