The Siemens 3RV1011-1JA15 is a robust circuit breaker designed for motor protection, ensuring efficient and reliable operation in a variety of industrial settings. This DIN Rail mountable device is part of the SIRIUS product family, renowned for its high-quality engineering and compatibility with a wide range of control systems.
With a Class 10 trip characteristic, the 3RV1011-1JA15 provides thermal overload protection, safeguarding motors against potential damage caused by overcurrent conditions. It features a standard switching capacity with a 7 to 10 A adjustable pick-up value current of the current-dependent overload release, making it versatile for different motor sizes.
The circuit breaker is equipped with a transverse auxiliary switch with 1 normally open (NO) and 1 normally closed (NC) contact, enhancing its functionality for control and signalling purposes. The operational short-circuit current breaking capacity (Ics) at AC is impressive, with ratings up to 100 kA at 240 V, ensuring the device can handle significant fault conditions.
Installation is straightforward, thanks to its screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715. The compact design, with dimensions of 90 mm in height, 45 mm in width, and 75 mm in depth, allows for efficient use of space inside control cabinets.
The 3RV1011-1JA15 is designed to operate reliably in a wide range of ambient temperatures, from -20 to +60 °C, making it suitable for challenging industrial environments. Its mechanical and electrical endurance is rated at 100,000 switching cycles, indicating a long service life.
This circuit breaker is an essential component for motor control applications, providing both protection and performance in a compact, easy-to-install package. Its thoughtful design and reliable operation make it a preferred choice for engineers and maintenance professionals seeking to maintain uptime and protect valuable motor assets.