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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1421-4AA10 |
| Alternative Part Number | 3RV14214AA10 |
| Manufacturer | Siemens |
| Type | Transformer Protection Circuit Breaker |
| Poles | 3 |
| Current Rating | 16 A |
| Voltage Rating | 690 V ac |
| Breaking Capacity | 50 kA @ 400 V ac |
| Operation | Thermo Magnetic |
| Class | 10 |
| Dimensions | 45 x 96 x 97 mm |
| Country of Origin | Not specified |
| Overload Protection | Yes |
| Phase Disturbance Recognition | Yes |
| Auxiliary Switch | No |
| Undervoltage Release Mechanism | No |
| Trip Indicator | No |
| Short-Circuit Release | Thermomagnetic |
| Installation Orientation | Any |
| Fixation | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Electrical Connection | Screw-type terminals |
| Connectable Conductor Cross-Section | 1 … 6 mm² |
| Protection Against Electrical Shock | Finger-safe |
The Siemens 3RV1421-4AA10 is a robust and reliable Transformer Protection Circuit Breaker. This three-pole device is designed to handle a current of 16 A and can withstand voltages up to 690 V ac. With a breaking capacity of 50 kA at 400 V ac, it offers superior protection for your transformers.
This circuit breaker features a thermo-magnetic mechanism, ensuring optimal performance and safety. It belongs to Class 10, which means it can trip within 10 seconds if the current is 7.5 times the rated current.
The compact dimensions of 45 x 96 x 97 mm make it easy to install in various settings. It's designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022, providing flexibility in installation.
The Siemens 3RV1421-4AA10 is part of the SIRIUS product range, known for its high-quality and durable industrial controls. It's designed to operate efficiently in a wide range of ambient temperatures, from -20 to 70 degrees Celsius, making it suitable for various industrial environments.
This circuit breaker does not only offer overload protection but also recognises phase disturbances, enhancing the safety and longevity of your transformers.
Please note that this product does not include an auxiliary switch or an undervoltage release mechanism.
In summary, the Siemens 3RV1421-4AA10 is a high-performing, reliable, and safe choice for transformer protection in your industrial applications.
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Frequently Asked Questions
What is the function of this Siemens Transformer Protection Circuit Breaker?
This Siemens Transformer Protection Circuit Breaker is designed to protect transformers from overload and short-circuit currents. It has a thermo-magnetic overcurrent release and short-circuit release mechanism, which ensures reliable operation in case of an overload or short-circuit condition.
What are the technical specifications of this circuit breaker?
The circuit breaker operates at a maximum voltage of 690 V ac and a rated current of 16 A. It has a breaking capacity of 50 kA at 400 V ac. It's a 3-pole circuit breaker with a size of S0 and a trip class of 10. The circuit breaker is also thermomagnetic.
What is the installation process for this circuit breaker?
The Siemens Transformer Protection Circuit Breaker can be installed in any orientation. It can be fixed using screws and can also be snapped onto a 35 mm standard mounting rail according to DIN EN 50022.
What type of connections does this circuit breaker support?
The circuit breaker supports screw-type terminals for the main current circuit. It can connect to a conductor cross-section of 1 to 6 mm² for main contacts, whether unifilar or stranded wire.
What is the operating temperature range for this circuit breaker?
The Siemens Transformer Protection Circuit Breaker can operate in a temperature range of -20 to 70 degrees Celsius. It can be stored in a temperature range of -50 to 80 degrees Celsius.
What are the dimensions of this circuit breaker?
The Siemens Transformer Protection Circuit Breaker has dimensions of 45 x 96 x 97 mm (width x depth x height).
What is the trip class of this circuit breaker?
The trip class of the Siemens Transformer Protection Circuit Breaker is Class 10. This means it will trip or disconnect the circuit if the current reaches 10 times the rated current.
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