The Siemens 3RV1011-1HA15 is a robust motor protection circuit breaker designed to safeguard three-phase motors in industrial applications. This compact and efficient device is engineered to provide Class 10 overload protection, ensuring motors operate within safe current limits and preventing damage due to overloads. With a magnetic trip element, it also offers reliable short-circuit protection, capable of interrupting excessive current flows to protect both the circuit and the motor.
This circuit breaker is rated for motors with a service power of up to 3 kW at 400 V in AC-3 usage categories, making it suitable for a wide range of motor sizes. The adjustable response current of the current-dependent overload release can be set between 5.5 and 8 A, allowing for precise protection settings tailored to specific motor requirements.
The 3RV1011-1HA15 features a standard breaking capacity and comes with screw-type terminals for secure and straightforward electrical connections. It is designed for easy mounting onto a 35 mm standard mounting rail according to DIN EN 60715, which facilitates quick installation and maintenance. The device's dimensions are 45 mm in width, 90 mm in height, and 75 mm in depth, making it a space-saving solution for motor control centres.
Additionally, the circuit breaker includes an auxiliary switch with 1 normally open (NO) and 1 normally closed (NC) contact, which can be used for signalling or interlocking purposes. The product is designed to operate reliably within a temperature range of -20 to +60 °C and at installation altitudes of up to 2000 metres above sea level, ensuring consistent performance in various environmental conditions.
Overall, the Siemens 3RV1011-1HA15 motor protection circuit breaker is a dependable and versatile solution for motor circuit protection, offering both performance and durability for industrial applications.