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Specification & Description
The Siemens 3RV1742-5BD10 is a robust molded case circuit breaker designed for effective system protection. This component, part of the SIRIUS product family, is engineered to safeguard electrical circuits from damage caused by overloads or short circuits. It features a thermal-magnetic trip unit, ensuring precise protection and reliable performance.
With a rated operating voltage of 690 V ac and a substantial short-circuit breaking capacity of 100 kA, this circuit breaker is well-suited for a wide range of industrial applications. The 15 A current rating, combined with a standard switching capacity, makes it versatile for various plant protection tasks.
The device is equipped with a convenient knob for manual operation and offers screw and snap-on mounting options, facilitating easy installation onto a standard 35 mm DIN rail. The compact dimensions of 70 x 174 x 168 mm allow for efficient use of space within electrical enclosures.
The 3RV1742-5BD10 is designed to operate reliably in a broad range of ambient temperatures, from as low as -20°C to as high as +60°C, making it suitable for diverse working environments. Its construction ensures finger-safe protection, and it has an IP20 rating on the front, providing a degree of protection against solid objects.
This circuit breaker does not include an auxiliary switch but is compatible with auxiliary switch add-ons, allowing for customisation to meet specific system requirements. Its mechanical service life is rated at 50,000 operating cycles, indicating durability and a long operational lifespan.
Overall, the Siemens 3RV1742-5BD10 circuit breaker is a high-quality protective device that offers reliability and safety for electrical systems, making it a valuable component for industrial plant protection.
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Frequently Asked Questions
What type of circuit breaker is this?
This is a molded case circuit breaker designed for system protection, with thermal-magnetic trip characteristics.
Can this circuit breaker be used in high-altitude installations?
Yes, it can be used in installations up to 2,000 metres above sea level.
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 short-circuit breaking capacity of this device?
The short-circuit breaking capacity is 100 kA at 240 V and 400 V ac, and 12 kA at 690 V ac.
What are the dimensions of this circuit breaker?
The dimensions are 70 mm in width, 174 mm in depth, and 168 mm in height.
Is the terminal for auxiliary and control circuits removable?
No, the terminal for auxiliary and control circuits is not removable.
What type of mounting does this circuit breaker support?
It supports both screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the frequency of operation with AC-3?
The maximum frequency of operation with AC-3 is 15 operations per hour.
What is the ambient operating temperature range for this circuit breaker?
The ambient operating temperature range is from -20 to +60 degrees Celsius.
What type of connections does this circuit breaker have for the main current circuit?
It has screw-type terminals with box terminals for the main current circuit.
