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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1011-1HA15 |
| Alternative Part Number | 3RV10111HA15 |
| Manufacturer | Siemens |
| Product Type | Motor Protection Circuit Breaker |
| Poles | 3 Poles |
| Rated Current | 8 A |
| Rated Voltage | 690 V ac |
| Short-Circuit Breaking Capacity | 100 kA |
| Magnetic Trip Feature | Yes |
| Dimensions | 45 x 90 x 75 mm |
| Terminal Type | Screw-type terminals |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Operating Temperature Range | -20 ... +60 °C during operation |
| Storage Temperature Range | -50 ... +80 °C |
| Trip Class | CLASS 10 |
| Adjustable Response Current | 5.5 … 8 A |
| Mechanical Service Life | 100,000 switching cycles for main contacts |
| Electrical Endurance | 100,000 switching cycles |
| Protection Class IP | IP20 on the front |
| Compliance | General Product Approval for use in hazardous locations |
| Auxiliary Contacts | 1 NO (Normally Open) + 1 NC (Normally Closed) transverse |
| Installation Altitude | Up to 2,000 m above sea level |
| Relative Humidity During Operation | 10 ... 95 % |
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.
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Frequently Asked Questions
What type of protection does this motor protection circuit breaker offer?
The Siemens motor protection circuit breaker provides protection against motor overload, phase failure, and short-circuit conditions. It is designed with a Class 10 trip characteristic, ensuring quick response to prevent motor damage.
Can this circuit breaker be used with different motor sizes?
Yes, the circuit breaker is adjustable and can be set to protect motors with different current ratings within its specified adjustable response current range of 5.5 to 8 A.
What is the maximum operating voltage for this circuit breaker?
The maximum operating 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 can be mounted on a 35 mm standard mounting rail according to DIN EN 50022. It can be installed in any position and requires certain clearances around it for safety, such as 20 mm downwards and upwards, and 9 mm at the side.
What is the mechanical service life of this circuit breaker?
The mechanical service life of the circuit breaker is typically 100,000 operating cycles, which indicates its durability and reliability over time.
Is there a specific torque requirement for the terminal connections?
Yes, the tightening torque for the main contacts with screw-type terminals is between 0.8 and 1.2 N·m, ensuring secure and reliable connections.
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, facilitating straightforward installation.
Does this circuit breaker have auxiliary contacts?
Yes, the 3RV1011-1HA15 comes with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, which can be used for signalling and control purposes.
What is the short-circuit current breaking capacity of this device?
The short-circuit current breaking capacity of this device is 100 kA at 240 V ac, providing robust protection against high fault currents.
How can I determine if the circuit breaker has tripped?
The circuit breaker features a trip indicator in the form of a rocker switch, which provides a visual indication of the tripped condition for easy troubleshooting.
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