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Specification & Description
The Siemens 3RA2315-8XB30-2BB4 is a high-quality reversing contactor assembly designed for efficient control of motor operations. This component is part of the SIRIUS product family, renowned for its reliability and versatility in various industrial applications. With a size S00 footprint, it is compact and suitable for space-constrained environments.
Crafted to handle AC-3 utilisation category, this reversing contactor can manage 3 kW motors at 400 V, making it an ideal choice for a wide range of motor control tasks. The unit operates with a 24 V DC control voltage and features spring-loaded terminals for a secure and maintenance-free electrical connection.
The 3RA2315-8XB30-2BB4 is engineered with both electrical and mechanical interlocks, ensuring safe and sequential operation, preventing contactors from being engaged simultaneously. This feature is crucial for reversing applications where the change of motor direction is required.
With an insulation voltage rated at 690 V and a degree of pollution of 3, the contactor is designed to withstand challenging industrial environments. It also boasts a surge voltage resistance of 6 kV and is equipped with an IP20 protection class on the front, providing a basic level of protection against solid objects.
The robust design of the Siemens 3RA2315-8XB30-2BB4 ensures a long mechanical and electrical lifespan, making it a dependable choice for industries looking to optimise their motor control systems with a component that offers both performance and durability.
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Frequently Asked Questions
What is the function of this reversing contactor assembly?
The reversing contactor assembly is designed to reverse the direction of a motor by interchanging the phases, allowing for forward and reverse operation. It's commonly used in applications where motor direction change is a frequent requirement.
Can you describe the size and protection class of this contactor?
This contactor is of size S00, which is a compact size for use in space-constrained environments. It has a protection class of IP20 on the front, indicating protection against solid objects larger than 12mm but not against liquids.
What are the ambient temperature limits for operating this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance in a variety of environmental conditions.
What type of terminals does this contactor have for electrical connections?
The contactor is equipped with spring-loaded terminals for both the main current circuit and the auxiliary and control current circuit, facilitating easy and secure wire connections.
What certifications does this contactor hold?
The contactor has several certifications, including CE, UL, CSA, and CCC, which confirm its compliance with European and international safety and quality standards.
What is the rated insulation voltage for this contactor?
The rated insulation voltage for this contactor is 690V with a degree of pollution 3, which indicates its capability to withstand a certain level of voltage without compromising safety or performance.
What is the maximum installation altitude for this contactor?
The maximum installation altitude for the contactor is 2,000 meters above sea level, allowing it to be used in various geographical locations without affecting its operation.
What is the impulse voltage resistance of this contactor?
The impulse voltage resistance of this contactor is rated at 6kV, which measures its ability to withstand transient over-voltages and ensures durability in electrical disturbances.
What are the dimensions of this contactor for installation purposes?
The contactor has a height of 84mm, a width of 90mm, and a depth of 83mm, making it compact enough for installation in various industrial settings.
How does the mechanical interlock function in this contactor?
The mechanical interlock in this contactor prevents both forward and reverse contactors from being engaged simultaneously, which protects the motor and circuit from damage due to phase collision.
