Overview of Siemens 3VA1112-3GF42-0AA0
Buy genuine Siemens 3VA1112-3GF42-0AA0 online for your automation system. This high-quality molded case circuit breaker from Siemens' SENTRON series offers reliable line protection with advanced thermal-magnetic technology. Designed with a 4-pole configuration and IEC Frame 160, it provides robust overload and short-circuit protection for industrial electrical systems. The device features a breaking capacity class N, capable of interrupting short-circuits up to 25 kA at 415 V, ensuring system safety and uptime. Its operational current rating is 125 A, making it ideal for medium-duty applications requiring dependable circuit interruption without auxiliary contacts or communication functions. With a compact design and retrofit capability, the 3VA1112-3GF42-0AA0 integrates seamlessly into existing electrical setups, delivering industry-grade performance and peace of mind.
Key Features of Siemens 3VA1112-3GF42-0AA0
- 4-pole molded case circuit breaker with IEC Frame 160 design
- Rated operational current: 125 A at 40 °C
- Breaking capacity class N; maximum short-circuit breaking capacity of 25 kA at 415 V
- Thermal-magnetic trip unit for precise overload and short-circuit protection
- Line protection with adjustable overload protection range (Ir = 88–125 A)
- No auxiliary contacts or communication functions included
- Suitable for AC and DC circuits up to 690 V
- Compact and retrofit-capable for upgrade and replacement scenarios
- Weight approximately 1.3 kg for easy installation
Technical Specs of 3VA1112-3GF42-0AA0
Explore Siemens 3VA1112-3GF42-0AA0 specifications for detailed parameters to ensure system compatibility.
| Parameter |
Value |
| Rated current (In) |
125 A |
| Poles |
4 |
| Breaking capacity (Icu) at 415 V |
25 kA |
| Voltage rating |
AC up to 690 V / DC up to 500 V |
| Trip unit type |
Thermal-magnetic (TM240) |
| Weight |
1.292 kg |
Applications / Use Case
This Siemens 3VA1112-3GF42-0AA0 is commonly used in industrial automation, ensuring reliable circuit protection in production line systems, packaging and conveyor operations, and factory control panels. It excels at preventing overload and short-circuit damage in medium-voltage electrical installations, making it an essential component for maintaining continuous operation in manufacturing plants and process control environments. Its line protection capabilities enable smooth, safe operation of motors, transformers, and sensitive equipment across various industrial sectors.
Price & Availability
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