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Siemens SENTRON Miniature Circuit Breaker 3-Pole 40A Type D 400V AC 60V DC 10 kA Breaking Capacity 5SY4340-8
Specifications
| Country of Origin | Germany |
|---|---|
| Range | SENTRON |
| Brand | Siemens |
| Height | 90mm |
| Model | 5SY4340-8 |
| Depth | 76mm |
| IP Rating | IP20 |
| Width | 53mm |
| Mount Type | DIN Rail |
| Current Rating | 40A |
| Series | 5SY4 |
| Breaking Capacity | 10kA |
| Number of Poles | 3 |
| Standards/Approvals | IEC/EN 60898-1, IEC/EN 60947-2/UL1077 |
| Rated AC Voltage | 400V ac |
| Rated DC Voltage | 60V dc |
| Tripping Characteristics | Type D |
| Better World Claim | Extended Product Life |
| Curve C | Tripping: 5 to 10 times the rated current |
| Curve D | Tripping: 10 to 14 times the rated current |
Key Features
- Supports 3-pole configuration for balanced multi-phase circuit protection.
- Rated current of 40 amperes ensures robust circuit safeguarding.
- Type D tripping characteristic suitable for high inrush current applications.
- Designed for 400V AC and 60V DC voltage ratings.
- Breaking capacity up to 10 kA to safely interrupt fault currents.
- Mountable on standard DIN rails for convenient installation.
- Complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards, including UL1077.
- IP20 rated enclosure provides basic protection against solid foreign objects.
Product Description
Siemens 5SY4340-8 SENTRON Miniature Circuit Breaker is a high-quality, 3-pole device rated at 40A with Type D tripping characteristics. It operates at rated voltages of 400V AC and 60V DC and handles breaking capacities up to 10 kA. This breaker is designed for industrial, residential, and functional construction electrical protection applications requiring reliable automatic cut-out.
The 5SY4 series supports quick DIN rail assembly and convenient removal for maintenance or replacement. It meets stringent IEC/EN and UL standards to ensure compliance with global safety and performance requirements. The breaker boasts a compact design with a height of 90 mm, width of 53 mm, and depth of 76 mm, fitting neatly into distribution boards or panels.
Type D tripping characteristics make this MCB suitable for circuits with high surge currents, such as welders, transformers, and motors. Siemens SENTRON breakers can be combined with a variety of supplementary components, including control current switches, fault signal contacts, shunt and under voltage releases, and remote operating mechanisms to enable comprehensive electrical system protection and automation.
This product is part of Siemens' Better World portfolio, highlighting its extended product life and sustainability credentials. Manufactured in Germany, it offers assured quality and reliability for enhanced safety in electrical installations.
Supports 3-pole operation for balanced current interruption. Current rating of 40A for general and industrial circuit protection. Type D characteristic for handling higher surge currents. Rated for 400V AC and 60V DC applications.
Breaking capacity of 10 kA ensures fault interruption capability. DIN rail mounting for standard industrial installation. Compact size facilitates easy integration into panels. Conforms to IEC/EN and UL safety standards.
IP20 protection level guards against solid object ingress. German manufacturing origin guarantees quality and durability.
Ideal for use in industrial automation, residential electrical systems, commercial distribution boards, and manufacturing facility power management. Siemens SENTRON 5SY4 Miniature Circuit Breaker offers safe, efficient, and reliable electrical protection through modern design and compliance with international standards.
Explore more products from Siemens and related Miniature Circuit Breakers to fulfill all your electrical distribution protection needs at EnvMart.
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Frequently Asked Questions
This model has a current rating of 40A, suitable for general and industrial circuit protection.
It is rated for 400V AC and 60V DC applications.
The breaking capacity of this unit is up to 10 kA, allowing it to safely interrupt fault currents.
This model features Type D tripping characteristics, which are suitable for applications with high inrush currents.
It is designed for DIN rail mounting, facilitating standard industrial installation.
The dimensions are 90 mm in height, 53 mm in width, and 76 mm in depth.
It complies with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 standards, ensuring safety and performance.
This breaker is ideal for industrial automation, residential electrical systems, and commercial distribution boards.
The unit has an IP20 rating, providing basic protection against solid foreign objects.
It is manufactured in Germany, ensuring quality and reliability.
This model belongs to the 5SY4 series, which includes various miniature circuit breakers.
It can be combined with control current switches, fault signal contacts, and other supplementary components for enhanced electrical protection.
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