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Siemens SENTRON Miniature Circuit Breaker, 1-Pole, 25A, Type D, 400V AC, 60V DC, 10 kA Breaking Capacity 5SY4125-8
Specifications
| Country of Origin | Germany |
|---|---|
| Range | SENTRON |
| Brand | Siemens |
| Height | 90mm |
| Model | 5SY4125-8 |
| Depth | 76mm |
| IP Rating | IP20 |
| Width | 17.5mm |
| Mount Type | DIN Rail |
| Current Rating | 25A |
| Series | 5SY4 |
| Terminal type | Combined Terminal |
| Breaking Capacity | 10kA |
| Number of Poles | 1 |
| 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
- Rated for 25 amps current capacity enabling effective circuit protection.
- Designed with Type D tripping characteristics suitable for high surge circuits.
- Supports AC voltage rating of 400V and DC voltage rating of 60V.
- Equipped with 10 kA breaking capacity ensuring high fault current interruption.
- Mounts easily on DIN rail for quick and secure installation.
- Compact dimensions with 17.5 mm width and 90 mm height optimize panel space usage.
- Complies with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 standards for safety and reliability.
- IP20 protection rating provides basic protection against solid objects and electrical contact.
Product Description
Siemens 5SY4125-8 SENTRON Miniature Circuit Breaker is a high-quality protection device designed for use in industrial, residential, and functional construction electrical systems. Rated at 25A with Type D tripping characteristics, it effectively safeguards circuits with high inrush current demands such as welders, transformers, and motors.
The device supports a rated AC voltage of 400V and DC voltage of 60V, with a breaking capacity of 10 kA, ensuring rapid disconnection during fault conditions to prevent equipment damage and electrical hazards. Its DIN rail mount facilitates fast installation and removal, streamlining maintenance processes.
Designed with a compact build measuring 17.5 mm in width, 90 mm in height, and 76 mm in depth, this miniature circuit breaker fits efficiently within electrical panels. It features a combined terminal type and holds an IP20 rating, providing basic protection against accidental contact and ingress of solid objects.
Compliance with international safety standards such as IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 underscores its reliability and suitability for demanding applications. Siemens also emphasizes sustainability through its Better World initiative, with this model offering extended product life.
Typical applications include industrial electrical circuits, residential installations, and protection for equipment exposed to high surge currents. The tripping curves and characteristics are designed to meet diverse operational needs. The product is made in Germany, ensuring stringent manufacturing quality.
Rated 25A current capacity for reliable circuit protection. Type D tripping suitable for high surge currents. Supports 400V AC and 60V DC voltage ratings. 10 kA breaking capacity for enhanced safety. DIN rail mount for easy installation and maintenance.
Compact dimensions save panel space. Compliant with IEC and UL safety standards. IP20 protection for basic safety. Extended product life under Siemens Better World program. Manufactured in Germany with high quality standards.
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Frequently Asked Questions
The Siemens SENTRON Miniature Circuit Breaker has a current rating of 25A, providing effective circuit protection.
It supports a rated AC voltage of 400V and a DC voltage of 60V.
This model has a breaking capacity of 10 kA, ensuring rapid disconnection during fault conditions.
It features Type D tripping characteristics, suitable for circuits with high surge currents.
It mounts easily on a DIN rail, facilitating quick and secure installation.
The dimensions are 17.5 mm in width, 90 mm in height, and 76 mm in depth.
It has an IP20 rating, providing basic protection against solid objects and electrical contact.
It complies with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 standards for safety and reliability.
This miniature circuit breaker is manufactured in Germany.
It is suitable for industrial electrical circuits, residential installations, and protection for equipment exposed to high surge currents.
It features a combined terminal type for ease of connection.
This model belongs to the SENTRON series, specifically the 5SY4 series.
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