5SJ4120-7HG41
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$27.00
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The Siemens 5SJ4120-7HG41 is a reliable 1-pole miniature circuit breaker designed for industrial and commercial electrical protection. Rated at 20 amps with a C tripping characteristic, it effectively safeguards circuits against overload and short circuits. Its compact design features a width of 18 mm and mounting depth of 70 mm, making it suitable for DIN rail installation in control panels. The breaker operates with AC/DC voltage up to 400 V and offers a breaking capacity of 14 kA, ensuring robust performance under demanding electrical conditions. With compliance to UL 489 and IEC standards, the 5SJ4120-7HG41 promises quality and safety in circuit protection applications essential for automation systems and industrial controls.
Key Features of Siemens 5SJ4120-7HG41
- Single-pole miniature circuit breaker with 20 A rated current
- Tripping characteristic class C for moderate inrush current tolerance
- Breaking capacity of 14 kA at 240 V AC
- Suitable for AC/DC operation up to 400 V
- Compact size: 18 mm width and 70 mm mounting depth
- DIN rail mounting with secure attachment
- Complies with UL 489, IEC 60947-2, and other global standards
- Robust mechanical design with a lifespan of up to 20,000 switching cycles
- Wide operating temperature range from -25 °C to +55 °C
Explore Siemens 5SJ4120-7HG41 specifications for detailed parameters
| Specification | Value |
|---|---|
| Number of Poles | 1 |
| Rated Current | 20 A |
| Tripping Characteristic | Class C |
| Rated Voltage (AC) | 400 V |
| Breaking Capacity | 14 kA at 240 V |
| Mounting | Standard DIN rail |
| Dimensions (HxWxD) | 110 x 18 x 70 mm |
| Operating Temperature | -25 °C to +55 °C |
| Mechanical Service Life | ~20,000 cycles |
Applications / Use Case
This Siemens 5SJ4120-7HG41 is commonly used in industrial automation, where dependable circuit protection ensures the safety and efficiency of machinery and control systems. It is ideal for integration in production line systems, packaging and conveyor operations, and factory control panels. The miniature circuit breaker helps prevent damage from overloads and short circuits, maintaining uninterrupted operation and protecting sensitive automation equipment.
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