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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 5SY4116-8 |
| Alternative Part Number | 5SY41168 |
| Manufacturer | Siemens |
| Product Type | Miniature Circuit Breaker |
| Number of Poles | 1 |
| Tripping Characteristic Class | D |
| Rated Voltage | 230/400 V AC |
| Rated Current | 16 A |
| Breaking Capacity | 10 kA according to EN 60898; 20 kA according to IEC 60947-2 |
| Insulation Voltage | 250 V AC (single-phase operation), 440 V AC (multi-phase operation) |
| Mechanical Service Life | Typically 20,000 switching cycles |
| Overvoltage Category | 3 |
| Degree of Pollution | 3 |
| Mounting Type | Quick assembly system |
| Mounting Position | Any |
| Installation Depth | 70 mm |
| Height | 90 mm |
| Width | 18 mm (1 modular width unit) |
| Depth | 76 mm |
| Net Weight | 151 g |
| Ambient Operating Temperature | -25 °C to +55 °C |
| Storage Temperature | -40 °C to +75 °C |
| Protection Class | IP20 with connected conductors |
| Energy Limiting Class | 3 |
| Vibration Resistance | According to IEC 60068-2-6: ±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz |
| Product Features | Touch protection, halogen-free, sealable, silicon-free |
| Connectable Conductor Cross-Section | Solid: 0.75 mm² to 35 mm²; Stranded: 0.75 mm² to 35 mm²; Finely stranded with core end processing: 0.75 mm² to 25 mm² |
| Tightening Torque | With screw-type terminals: 2.5 N·m to 3.5 N·m |
The Siemens 5SY4116-8 is a high-quality miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. This 1-pole breaker is engineered for use in both residential and commercial settings, safeguarding electrical circuits against the damage caused by excess current due to overloads or short circuits.
With a rated voltage of 230/400 V and a 16 A current rating, this circuit breaker is suitable for a wide range of electrical installations. It features a D tripping characteristic, which allows for the protection of circuits with high inrush currents, making it ideal for applications with motors or transformers that require a higher threshold before tripping.
The compact design of the 5SY4116-8, with a width of just 18 mm per pole, ensures that it occupies minimal space on a DIN rail, allowing for efficient use of panel space. The device's quick assembly system facilitates easy installation and maintenance, while its touch protection feature ensures enhanced safety during operation.
Constructed to meet rigorous industry standards, including IEC 60947-2 and EN 60898, this circuit breaker delivers a switching capacity current of up to 20 kA, providing robust protection against short-circuit currents. Its mechanical service life of typically 20,000 cycles ensures long-term reliability and performance.
The 5SY4116-8 is also designed with environmental considerations in mind, being halogen-free and silicon-free, which contributes to a safer and more sustainable installation environment. Its operational temperature range from -25°C to +55°C, along with vibration resistance in accordance with IEC 60068-2-6, ensures stable operation even in demanding conditions.
Overall, the Siemens 5SY4116-8 miniature circuit breaker is a dependable and efficient solution for protecting electrical circuits, offering both performance and safety in a compact and user-friendly package.
Commonly Asked Questions
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Frequently Asked Questions
What is the tripping characteristic class of this miniature circuit breaker?
The tripping characteristic class of this miniature circuit breaker is Class D, which is suitable for protecting circuits with high inrush currents typically found in industrial applications.
Can this circuit breaker be used with both AC and DC voltages?
Yes, this miniature circuit breaker is designed for use with both AC and DC voltages, providing versatility in its application across different electrical systems.
What is the rated insulation voltage for single-phase and multi-phase operations?
For single-phase operation at AC, the rated insulation voltage is 250 V, and for multi-phase operation at AC, it is 440 V.
What is the mechanical service life of this circuit breaker?
The mechanical service life of this circuit breaker is typically around 20,000 switching cycles, indicating its durability and reliability over time.
Is this product halogen-free?
Yes, the miniature circuit breaker is halogen-free, making it a safer choice for environments where reducing toxic emissions is a priority.
What is the supply voltage rating for this circuit breaker?
The supply voltage rating for this circuit breaker at AC is 400 V.
What is the breaking capacity of this circuit breaker?
The breaking capacity of this circuit breaker is 20 kA according to IEC 60947-2, 15 kA with DC according to IEC 60947-2, and 10 kA according to EN 60898.
What are the environmental conditions this circuit breaker can withstand?
This circuit breaker can withstand a wide range of environmental conditions, including vibration resistance according to IEC 60068-2-6 and ambient operating temperatures from -40 °C to 70 °C.
What conductor cross-sections can be connected to this circuit breaker?
This circuit breaker can accommodate solid conductors from 0.75 mm² to 35 mm², stranded conductors from 0.75 mm² to 35 mm², and finely stranded conductors with wire end processing from 0.75 mm² to 25 mm².
Is the circuit breaker suitable for use as a main switch in accordance with EN 60204-1?
Yes, this circuit breaker has properties that make it suitable for use as a main switch in accordance with EN 60204-1, which pertains to electrical equipment of machines.
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