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| Country of Origin | Germany |
|---|---|
| Range | SENTRON |
| Brand | Siemens |
| Height | 90mm |
| Model | 5SY4225-8 |
| Depth | 76mm |
| IP Rating | IP20 |
| Width | 36mm |
| Mount Type | DIN Rail |
| Current Rating | 25A |
| Series | 5SY4 |
| Breaking Capacity | 10kA |
| Number of Poles | 2 |
| 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 |
Siemens 5SY4225-8 SENTRON Miniature Circuit Breaker is a precision-engineered electrical protection device with 2 poles rated at 25 amperes and featuring a Type D tripping characteristic. Operating at 400V AC and 60V DC, it guarantees rapid disconnection of electrical faults with a breaking capacity of 10 kA, making it well-suited for industrial, commercial, and residential applications.
This Miniature Circuit Breaker mounts easily on standard DIN rails, allowing versatile and efficient installation within electrical panels. Its compact dimensions of 90mm height, 36mm width, and 76mm depth ensure space-efficient integration in distribution boards. The IP20 rating safeguards against accidental contact with live parts, enhancing operator safety.
The 5SY4225-8 complies fully with IEC/EN 60898-1 and IEC/EN 60947-2 standards, reflecting Siemens’ commitment to quality and safety. The automatic cut-out feature protects circuits from overloads and short circuits, minimizing risk of fire or equipment damage.
Typical applications include protecting circuits with high inrush currents such as welding machines, transformers, and motors, as the Type D characteristic trips at 10 to 14 times the rated current. This device offers reliable, long-lasting service with an extended product life emphasizing environmental responsibility.
The product is manufactured in Germany, ensuring adherence to strict production and quality controls. It complements Siemens SENTRON 5SY4 series of mini circuit breakers, which feature a broad range of poles and current ratings for flexible circuit protection solutions.
Automatic cut-out for fast fault response. Type D tripping for high surge circuit protection. DIN rail mounting for convenience. Compact size for panel space optimization. IEC/EN standards compliance for safety assurance.
10 kA breaking capacity for robust protection. IP20 protection rating for operator safety. Versatile for industrial, residential, and functional applications. Manufactured in Germany with extended product life.
Explore Siemens SENTRON products and other circuit breakers in the Electronics & Electricals category on EnvMart for reliable industrial and residential power protection solutions.
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