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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1431-4EA10 |
| Alternative Part Number | 3RV14314EA10 |
| Manufacturer | Siemens |
| Circuit Breaker Type | Thermal-Magnetic Trip |
| Number of Poles | 3 Pole |
| Operating Voltage | 690 V ac |
| Rated Current | 32 A |
| Breaking Capacity | 100 kA |
| Trip Class | CLASS 10 |
| Adjustable Response Current | 22 – 32 A |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Mounting Position | Any |
| Dimensions | 55 x 149 x 140 mm |
| Connection Type | Screw-type terminals with box terminals for main current circuit |
| Ambient Operating Temperature | -20 … +70 °C |
| Installation Altitude | Up to 2,000 metres above sea level |
| Protection Class IP | IP20 on the front |
| Resistance against Shock | 25g / 11 ms |
| Product Brand Name | SIRIUS |
| Design for | Transformer protection |
| Auxiliary Switch | Yes, product extension available |
| Impulse Voltage Resistance | Rated value 6,000 V |
| Protection against Electrical Shock | Finger-safe |
The Siemens 3RV1431-4EA10 is a robust circuit breaker designed for transformer protection and is part of the esteemed SIRIUS product range. This three-pole breaker is engineered to handle operating voltages up to 690 V ac and has a rated operational current of 32 A. It features a thermal-magnetic trip mechanism, ensuring reliable protection against overloads and short-circuit conditions. With a substantial short-circuit release of 660 A and a standard breaking capacity of 100 kA, it is well-suited for industrial applications where dependable circuit protection is paramount.
The device boasts a compact design with dimensions of 55 x 149 x 140 mm, allowing for efficient use of space within electrical installations. The screw terminal connections provide a secure and durable means of integrating the breaker into a circuit. Additionally, the breaker is designed for easy mounting onto a 35 mm standard mounting rail according to DIN EN 50022, facilitating straightforward installation and maintenance.
The 3RV1431-4EA10 is equipped with a CLASS 10 trip class, which indicates a trip time within 2 to 10 seconds under overload conditions of 600% of the rated current, providing rapid response to protect critical components. Its mechanical service life of 50,000 operating cycles ensures longevity and reliability in a variety of demanding environments.
This circuit breaker is a discontinued product, and its preferred successor is the SIRIUS 3RV2 series. However, for those in need of a direct replacement or operating within existing systems that require this specific model, the 3RV1431-4EA10 remains a valuable component for ensuring the safety and efficiency of electrical systems.
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Frequently Asked Questions
What type of circuit breaker is this?
This is a thermal-magnetic circuit breaker designed for transformer protection, with a standard breaking capacity.
Can this circuit breaker be used for motor protection?
No, this circuit breaker is specifically designed for transformer protection and may not be suitable for motor protection applications.
What is the maximum operating voltage for this circuit breaker?
The maximum operating voltage for this circuit breaker is 690 V ac.
What is the current rating of this circuit breaker?
The current rating of this circuit breaker is 32 A.
Does this circuit breaker have a trip class rating?
Yes, it has a trip class rating of CLASS 10.
What is the short-circuit release current of this device?
The short-circuit release current of this device is 660 A.
What are the dimensions of this circuit breaker?
The dimensions are 55 mm in width, 149 mm in depth, and 140 mm in height.
Is the terminal for auxiliary and control circuit removable?
No, the terminal for auxiliary and control circuit is not removable.
What type of terminals does this circuit breaker have?
It has screw-type terminals with box terminals for the main current circuit and screw-type terminals for the auxiliary and control current circuit.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the main contacts is typically 50,000 operating cycles.
Can this circuit breaker be mounted on a DIN rail?
Yes, it can be mounted on a 35 mm standard mounting rail according to DIN EN 50022.
What is the protection class of the front side of this circuit breaker?
The protection class on the front side of this circuit breaker is IP20.
Does this circuit breaker have phase failure detection?
Yes, it is equipped with phase failure detection.
What is the impulse voltage resistance of this circuit breaker?
The impulse voltage resistance rated value is 6,000 V.
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