| Specification |
Description |
| Part Number |
3VA2440-7MN32-0AA0 |
| Manufacturer |
Siemens |
| Category |
Circuit Breaker |
| Family |
3VA2 |
| Rated Current |
400 A |
| Rated Voltage |
690 V AC |
| Breaking Capacity |
55 kA at 415 V AC |
| Number of Poles |
4 |
| Trip Unit |
ETU350M |
| Mounting Type |
Fixed |
| Standards |
IEC 60947-2, UL 489 |
| Certifications |
CE, CCC, EAC |
| Dimensions |
210 mm x 140 mm x 110 mm |
| Weight |
3.5 kg |
| Operating Temperature |
-25°C to +70°C |
| Storage Temperature |
-40°C to +80°C |
| Altitude |
Up to 2000 m without derating |
| Protection Class |
IP20 |
The Siemens 3VA2440-7MN32-0AA0 is a high-performance circuit breaker designed for reliable protection and control of electrical systems. With a rated current of 400 A and a rated voltage of 690 V AC, this circuit breaker is suitable for a wide range of industrial applications. It features a breaking capacity of 55 kA at 415 V AC, ensuring robust performance under fault conditions. The 3VA2440-7MN32-0AA0 is equipped with a 4-pole configuration and an ETU350M trip unit, providing precise and adjustable protection settings. This fixed-mounted circuit breaker complies with international standards IEC 60947-2 and UL 489, and holds certifications such as CE, CCC, and EAC. Its compact dimensions and lightweight design make it easy to install, while its wide operating temperature range and high altitude capability ensure reliable operation in various environments. The IP20 protection class ensures safety and durability, making the Siemens 3VA2440-7MN32-0AA0 an ideal choice for safeguarding your electrical infrastructure.
The Siemens 3VA2440-7MN32-0AA0 is a high-performance circuit breaker designed to provide reliable protection for electrical systems. This robust device is engineered to handle a maximum rated operational current of 400 A and a frame size current of up to 630 A, making it suitable for a wide range of industrial applications.
With a compact design, the 3VA2440-7MN32-0AA0 measures 248 mm in height, 138 mm in width, and 110 mm in depth, ensuring it fits seamlessly into various installation environments. The circuit breaker features front terminal electrical connectors and lug terminals for the main current circuit, facilitating straightforward and secure connections.
The Siemens 3VA2440-7MN32-0AA0 offers impressive short-circuit current breaking capacities, including 150 kA at 240 V, 110 kA at 415 V, and 85 kA at 500 V. It also boasts a short-circuit current making capacity of up to 330 kA at 240 V, ensuring robust performance under fault conditions. The device operates efficiently across a wide temperature range, from -40°C to 70°C, and maintains its reliability even in demanding environments.
This circuit breaker is equipped with adjustable parameters, allowing for fine-tuning of response values for current and time, enhancing its adaptability to specific application requirements. It also includes phase failure detection, ensuring comprehensive protection for electrical systems.
The Siemens 3VA2440-7MN32-0AA0 is an essential component for safeguarding electrical installations, offering durability, flexibility, and high breaking capacities to meet the needs of modern industrial operations.
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4 min read
December 13, 2024
