5SY4325-7
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$73.95
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Buy genuine Siemens 5SY4325-7 online
The Siemens 5SY4325-7 is a high-quality supplementary miniature circuit breaker designed to enhance protection in electrical distribution systems. This factory-grade, three-pole breaker features a 25 AMP rating with a C curve tripping characteristic, making it ideal for medium inrush currents. Compact and robust, the 5SY4325-7 is engineered to mount easily on a standard 35mm DIN rail, ensuring seamless integration in industrial panels. It offers reliable overcurrent protection with a 10kA breaking capacity at 400 V, suitable for heavy-duty applications. Designed according to UL 1077 standards, this supplementary protector trips faster than standard branch circuit breakers to safeguard sensitive control circuits and improve system selectivity.
Key Features of Siemens 5SY4325-7
- Three-pole configuration for balanced three-phase protection
- Rated current of 25 A with a C curve for medium inrush tolerance
- 10kA breaking capacity at 400 V, suitable for demanding industrial environments
- Compact dimensions: 90 mm height, 54 mm width, 70 mm depth
- Easy DIN rail mounting (35 mm standard)
- IP20 enclosure type providing basic protection against solid objects
- UL 1077 approved supplementary protector for enhanced safety
- Fast tripping feature to protect sensitive equipment inside panels
- Current limiting class 3 for reduced electrical stress
Technical Specs of 5SY4325-7
Explore Siemens 5SY4325-7 specifications covering voltage, I/O, and communication to ensure system compatibility.
| Parameter | Specification |
|---|---|
| Rated Current | 25 A |
| Number of Poles | 3 |
| Tripping Characteristic | C Curve |
| Breaking Capacity | 10kA at 400 V |
| Dimensions (H x W x D) | 90 x 54 x 70 mm |
| Mounting | 35mm DIN rail |
| Enclosure Type | IP20 |
| Standards | UL 1077 |
Applications / Use Case
This Siemens 5SY4325-7 is commonly used in industrial automation and machine automation worldwide. It serves well in control panels where multiple motor circuits or sensitive devices require fast, reliable protection without disrupting the entire system. Its supplementary protection allows maintenance teams to isolate faults quickly, improving uptime and safety on production lines and factory floor controls. It also acts as a local disconnecting means in systems already protected by branch circuit breakers, fitting neatly in automation control and process industries.
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