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Specification & Description
| 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.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Frequently Asked Questions
What is the primary function of this part?
This part is a circuit breaker designed to protect electrical circuits from damage caused by overloads or short circuits.
What are the adjustable parameters for this circuit breaker?
The adjustable parameters include response value current (Ir) ranging from 160 A to 400 A, response value time (tr) from 4 to 17 seconds, and response value current (Isd) from 1,200 A to 6,000 A.
What type of electrical connection does this circuit breaker use for the main current circuit?
This circuit breaker uses a lug terminal for the main current circuit.
What are the dimensions of this circuit breaker?
The dimensions are 248 mm in height, 138 mm in width, and 110 mm in depth.
What is the protection class of this circuit breaker?
The protection class on the front of this circuit breaker is IP40.
Can this circuit breaker be used in extreme temperatures?
Yes, it can operate in temperatures ranging from -40°C to 70°C and can be stored in temperatures from -40°C to 80°C.
Does this circuit breaker support motor drive extensions?
Yes, this circuit breaker supports optional motor drive extensions.
What is the maximum adjustable response value current for this circuit breaker?
The maximum adjustable response value current (Ir) for this circuit breaker is 400 A.
Is ground fault protection available with this circuit breaker?
No, ground fault protection with tripping switchable I2t=ON/OFF is not available for this circuit breaker.
What is the reference code according to DIN EN 81346-2 for this circuit breaker?
The reference code according to DIN EN 81346-2 for this circuit breaker is Q.
