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Siemens SENTRON 5SY4 Miniature Circuit Breaker 3-Pole 40A Type B 400V AC 60V DC 10 kA Breaking Capacity 5SY4340-6
Specifications
| Country of Origin | Germany |
|---|---|
| Range | SENTRON |
| Brand | Siemens |
| Height | 90mm |
| Model | 5SY4340-6 |
| Depth | 90mm |
| IP Rating | IP20 |
| Width | 76mm |
| Mount Type | DIN Rail |
| Current Rating | 40A |
| Series | 5SY4 |
| Terminal type | Screw |
| Breaking Capacity | 10kA |
| Number of Poles | 3 |
| Standards/Approvals | IEC/EN 60947-2/UL1077, IEC/EN 60898-1 |
| Rated AC Voltage | 400V ac |
| Rated DC Voltage | 60V dc |
| Tripping Characteristics | Type B |
| Better World Claim | Extended Product Life |
| Reset Actuator Type | Toggle Switch |
| Curve C | Tripping: 5 to 10 times the rated current |
| Curve D | Tripping: 10 to 14 times the rated current |
Key Features
- Rated for 400V AC and 60V DC operation ensuring versatile use.
- Type B tripping characteristic for protection against overload currents 3 to 5 times rated current.
- Automatic cut-out with toggle switch for easy manual operation.
- Compact design with DIN rail mount for simple installation.
- Complies with IEC 60947-2, UL1077, and IEC 60898-1 standards guaranteeing safety and reliability.
- IP20 rated enclosure providing adequate protection against solid objects and electrical safety.
- 3 poles provide three-phase protection suitable for industrial and residential applications.
- Screw terminal type ensures secure electrical connections.
Product Description
Siemens 5SY4340-6 SENTRON Miniature Circuit Breaker is a high-quality electrical protection device designed for industrial, commercial, and residential applications requiring reliable circuit safety. Rated at 40A with a 3-pole configuration, this breaker supports both AC and DC voltages up to 400V AC and 60V DC respectively.
The type B tripping characteristic ensures sensitive protection against overloads, tripping between 3 to 5 times the rated current, ideal for protecting generators, persons, and circuits with long wiring runs. The breaker features a robust toggle switch for manual resetting and convenient operation.
Equipped with DIN rail mounting, it simplifies installation and supports fast removal from assemblies for maintenance. The screw terminal type offers secure and maintenance-friendly electrical connections. With an IP20 rating, it provides effective protection against accidental contact with live parts.
Its compact dimensions of 90mm height, 76mm width, and 90mm depth enable it to fit efficiently within electrical panels and switchgear assemblies. Siemens SENTRON series breakers conform to international standards including IEC/EN 60947-2, UL1077, and IEC/EN 60898-1, ensuring adherence to safety and quality regulations.
Manufactured in Germany, this breaker is part of Siemens' Better World program, emphasizing extended product life and environmental sustainability. It can be supplemented with a wide range of control and signaling accessories such as fault signal contacts, shunt releases, and remote operating mechanisms to enhance functional safety and performance.
Rated AC voltage: 400V AC and DC voltage: 60V DC for versatile applications. Tripping curves B, C, and D support various protection requirements with curve B used here for general protection. Breaking capacity of 10 kA ensures reliable interruption of fault currents enhancing system safety.
Suitable for use in industrial automation, residential electrical systems, and functional construction sectors. Compact form factor and DIN rail mount for convenient panel assembly and maintenance. Explore Siemens SENTRON Miniature Circuit Breakers for durable, efficient, and standards-compliant circuit protection at EnvMart.
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Frequently Asked Questions
This model has a rated current of 40A, making it suitable for various electrical applications.
It is rated for 400V AC and 60V DC operation, allowing for versatile use in different electrical systems.
The breaking capacity of this circuit breaker is 10 kA, ensuring reliable interruption of fault currents.
This unit features a 3-pole configuration, providing three-phase protection suitable for both industrial and residential applications.
It has a Type B tripping characteristic, which provides protection against overload currents that are 3 to 5 times the rated current.
This model is designed for DIN rail mounting, which simplifies installation and allows for easy maintenance.
The dimensions of this circuit breaker are 90mm in height, 76mm in width, and 90mm in depth.
It features screw terminals, ensuring secure and maintenance-friendly electrical connections.
This circuit breaker complies with IEC/EN 60947-2, UL1077, and IEC/EN 60898-1 standards, ensuring safety and reliability.
It has an IP20 rating, providing adequate protection against solid objects and ensuring electrical safety.
The reset actuator for this circuit breaker is a toggle switch, allowing for easy manual operation.
This circuit breaker is manufactured in Germany, reflecting high standards of engineering and quality.
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