Siemens 3RV1041-4KA10

Siemens 3RV1041-4KA10 Circuit Breaker for Motor Protection

The Siemens 3RV1041-4KA10 is a robust and versatile circuit breaker designed to protect motors from overloads, short circuits, and other electrical faults. Part of the SIRIUS product line, this breaker excels in industrial environments where motor protection and operational reliability are paramount. It offers advanced thermal and magnetic protection, ensuring motors operate efficiently and safely under demanding conditions.

Key Features

Motor Protection

The Siemens 3RV1041-4KA10 is specifically designed for motor protection applications. It features thermal and magnetic trip functions, which guard motors against overload and short circuits. This ensures high safety and operational reliability, making it an essential component in industrial motor control panels.

Thermal and Magnetic Trip System

The breaker comes with a thermomagnetic trip system that is integral for detecting slow and fast electrical faults. The thermal element protects the motor from overheating due to prolonged overcurrent, while the magnetic trip instantly cuts off the circuit in case of short circuits. This dual protection ensures that motors can handle demanding applications without the risk of severe electrical damage.

Rated Specifications

The 3RV1041-4KA10 has a rated operational current of 75 A at 400 V for AC-3 applications, with a rated surge voltage of 6000 V. It can handle operational power of up to 37 kW, making it suitable for a wide range of motor sizes and industrial applications. The breaker has three poles, making it ideal for 3-phase motor protection.

Durable Design

This circuit breaker is built for harsh environments, with a shock resistance rating of 25g over 11 ms. Its robust construction ensures it can withstand physical shocks and vibrations typically encountered in industrial settings. The breaker is also designed with IP20 front protection, which is essential protection against physical contact and foreign objects.

Compact and Flexible Mounting

Measuring 165 mm in height, 70 mm in width, and 174 mm in depth, the Siemens 3RV1041-4KA10 offers a compact solution for motor protection, making it suitable for various enclosure sizes. It can be mounted using screws or snap-on methods, and it fits standard 35 mm DIN rails according to DIN EN 50022, providing installation flexibility.

Operating Conditions

This circuit breaker operates efficiently in various environmental conditions, with an ambient temperature range of -20°C to +60°C. It is designed to handle a maximum operating frequency of 15 cycles per hour, ensuring it can be used in applications where motors must be started and stopped frequently.

Auxiliary Switch and Front Protection

The breaker includes an auxiliary switch, allowing for additional monitoring and control of the circuit. Its IP20 front protection protects the device against accidental contact with active parts, ensuring user safety during operation.

Class 10 Trip Curve

The Siemens 3RV1041-4KA10 features a Class 10 trip curve, responding within 10 seconds when the motor current reaches a specific overload threshold. This makes it ideal for most industrial motors that require rapid but precise protection.

Free Shipping and Warranty

MRO Electric and Supply offers a 2-year warranty on this product, ensuring industrial users' reliability and peace of mind. Free shipping is also available, adding convenience to the purchase.

FAQs for Siemens 3RV1041-4KA10 Circuit Breaker

What type of motor protection does the Siemens 3RV1041-4KA10 provide?

The Siemens 3RV1041-4KA10 offers both thermal and magnetic motor protection. The thermal protection guards against overloads, while the magnetic protection responds to short circuits, ensuring safe and efficient operation.

What is this circuit breaker's rated operational current and voltage?

The Siemens 3RV1041-4KA10 is rated for 75 A at 400 V for AC-3 applications. It has an operating voltage of up to 690 V.

Can this circuit breaker handle frequent motor starts and stops?

It can handle up to 15 operations per hour in AC-3 motor applications, making it suitable for systems requiring frequent motor starting and stopping.

What mounting options are available for the 3RV1041-4KA10?

The Siemens 3RV1041-4KA10 can be mounted using either screws or a snap-on system onto a 35 mm DIN rail, according to DIN EN 50022 standards, providing flexibility for different installation setups.

What is the ambient operating temperature range for this circuit breaker?

This circuit breaker's ambient operating temperature ranges from -20°C to +60°C, making it suitable for variable environmental conditions.

Does a warranty cover the 3RV1041-4KA10?

The Siemens 3RV1041-4KA10 is backed by a warranty from MRO Electric and Supply, ensuring product reliability and peace of mind.

What is the significance of the IP20 front protection rating?

The IP20 rating ensures the breaker is protected against accidental contact with live components, providing essential protection for equipment users.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 3RV1041-4KA10, take a look at more from our Contactors line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 3RV1041-4KA10 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.