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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2011-0CA15 |
| Manufacturer | Siemens |
| Product Type | Motor Protection Circuit Breaker |
| Poles | 3 Poles |
| Rated Current | 0.25 A |
| Operational Voltage | 690 V ac |
| Short Circuit Breaking Capacity | 100 kA |
| Trip Characteristics | Magnetic Trip |
| Dimensions | 45 x 97 x 96.9 mm |
| Release Class | CLASS 10 |
| Adjustable Current Range | A-release 0.18...0.25 A |
| Instantaneous Short Circuit Release | N-release 3.3 A |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Connection Type | Screw-type terminals for main, auxiliary and control current circuit |
| Conductor Cross-section | Main contacts: 2x (0.75 ... 2.5 mm²), 2x 4 mm²; Auxiliary contacts: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Tightening Torque | Main contacts: 0.8 ... 1.2 N·m; Auxiliary contacts: 0.8 ... 1.2 N·m |
| Screwdriver Shaft Design | Diameter 5 to 6 mm |
| Screwdriver Tip Size | Pozidriv 2 |
| Thread Design of Connection Screw | M3 for main and auxiliary/control contacts |
| B10 Value | 5,000 |
| Proportion of Dangerous Failures | 50 years at low demand rate according to SN 31920 |
The Siemens 3RV2011-0CA15 is a robust motor protection circuit breaker designed to safeguard motors in industrial applications. This three-pole device is engineered to provide Class 10 overload protection, ensuring motors operate within safe current limits. With an adjustable current setting range from 0.18 to 0.25 A and a rated operational voltage of 690 V ac, it is versatile enough to handle a variety of motor protection scenarios.
The breaker features a magnetic trip element, which offers reliable protection against short-circuit conditions, with a high short-circuit breaking capacity of 100 kA that ensures quick and safe disconnection in the event of a fault. The compact dimensions of 45 x 97 x 96.9 mm make it suitable for space-constrained environments, while the screw-type terminals provide a secure and durable connection for both the main and auxiliary circuits.
Designed for convenience, the 3RV2011-0CA15 can be easily installed with screw and snap-on mounting onto a standard 35 mm DIN rail, allowing for straightforward integration into electrical distribution systems. Its finger-safe construction enhances safety during installation and maintenance, and the device's mechanical and electrical endurance ensures long-term reliability and performance in demanding industrial settings.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Frequently Asked Questions
What is the function of this motor protection circuit breaker?
This motor protection circuit breaker is designed to protect motors from overloads, short circuits, and phase failures. It provides safe disconnection in the event of a fault and ensures reliable protection for both the motor and the associated electrical circuit.
Can this circuit breaker be used for three-phase motor applications?
Yes, it is suitable for three-phase motor applications as it has three poles, which can accommodate the three phases of a typical motor.
What is the rated operational voltage for this device?
The rated operational voltage for this circuit breaker is 690 V ac, making it suitable for a wide range of industrial applications.
What are the installation requirements for this circuit breaker?
The circuit breaker should be installed in a suitable enclosure with appropriate clearances around it for safety and to ensure adequate ventilation. It should be securely mounted and connected by a qualified electrician following the manufacturer's guidelines and local electrical codes.
What is the magnetic trip feature of this circuit breaker?
The magnetic trip feature provides instantaneous protection against short-circuit conditions by tripping the circuit breaker immediately when a preset current threshold is exceeded, thus preventing potential damage to the motor and circuit.
How can I determine if this circuit breaker is the right size for my motor?
To determine if this circuit breaker is the right size for your motor, you need to know the full-load current of your motor and compare it to the adjustable range of the circuit breaker, which is 0.18 to 0.25 A for the A-release.
What is the significance of the Class 10 trip characteristic?
The Class 10 trip characteristic indicates that the circuit breaker will trip within 10 seconds under conditions of overload where the current is between 2 to 10 times the set value of the motor's full-load current, providing timely protection against overloads.
What type of terminals does this circuit breaker have?
This circuit breaker is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit, ensuring a secure and reliable connection.
What is the interrupting capacity of this circuit breaker?
The interrupting capacity, also known as the short-circuit breaking capacity, of this circuit breaker is 100 kA, which indicates the maximum short-circuit current that the breaker can safely interrupt.
Is there a specific torque requirement for the terminal connections?
Yes, the terminal connections should be tightened to a torque of 0.8 to 1.2 N·m to ensure a secure and reliable electrical connection.
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