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Specification & Description
The Siemens 3RV2321-4EC20 is a robust circuit breaker designed for starter combinations, offering reliable protection and control in industrial settings. This component, part of the SIRIUS 3RV2 range, is engineered to safeguard against short circuits, ensuring the safety and longevity of electrical systems. With a size S0 frame, it is compact and suitable for space-conscious installations.
This three-pole circuit breaker is rated for a current of 32A and features a N-release of 400A, making it well-suited for a variety of applications. The spring-loaded connection technology facilitates a secure and maintenance-free electrical connection, while the standard switching capacity ensures efficient operation under normal load conditions.
The device is designed with a selector switch operating mechanism and does not include an auxiliary switch or undervoltage release mechanism. It boasts an insulation voltage rated at 690V and an impulse voltage resistance of 6kV, providing a high level of insulation and protection against voltage spikes.
For ease of use, the 3RV2321-4EC20 is equipped with finger-safe terminals, offering protection against electrical shock during installation and maintenance. It can be installed at altitudes up to 2000 meters above sea level and operates reliably within a temperature range of -20 to +60 degrees Celsius, making it versatile for various environmental conditions.
The circuit breaker's robust design includes a shock resistance compliant with IEC 60068-2-27 standards and an impressive mechanical service life of 100,000 switching cycles for both main and auxiliary contacts. Its electrical endurance also supports up to 100,000 switching cycles, highlighting its durability and reliability in demanding industrial applications.
With its comprehensive protective functions and solid construction, the Siemens 3RV2321-4EC20 circuit breaker is an essential component for ensuring the efficient and safe operation of motor starters and related electrical equipment in industrial environments.
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Frequently Asked Questions
What is the size of the circuit breaker?
The Siemens 3RV2321-4EC20 is a size S0 circuit breaker designed for starter combination applications.
Can this circuit breaker be mounted in any position?
Yes, the circuit breaker can be mounted in any position, offering flexibility for various installation requirements.
What type of terminals does this circuit breaker have?
This circuit breaker is equipped with spring-loaded terminals for the main current circuit.
What is the rated operational voltage of this circuit breaker?
The rated operational voltage for the main current circuit of this circuit breaker is 690V.
What is the rated operating current for this device?
The rated operating current for the Siemens 3RV2321-4EC20 at AC-3 at 400V is 32A.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 119 mm in height, 45 mm in width, and 97 mm in depth.
Does this circuit breaker have a trip indicator?
No, this model does not come with a trip indicator.
What is the mechanical service life of the main contacts?
The mechanical service life of the main contacts is typically 100,000 switching cycles.
What is the protection class of the terminals?
The terminals of this circuit breaker are rated at protection class IP20.
What is the short-circuit protection feature of this circuit breaker?
The circuit breaker features magnetic short-circuit protection to safeguard electrical circuits from damage due to short-circuit conditions.
