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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1011-1JA15 |
| Alternative Part Number | 3RV10111JA15 |
| Manufacturer | Siemens |
| Product Type | Circuit Breaker |
| Rated Operational Voltage | 690 V ac |
| Mounting Type | DIN Rail Mount |
| Short-Circuit Breaking Capacity | 2000 kA |
| Number of Poles | 3 Poles |
| Adjustable Pickup Value Current | 7 - 10 A |
| Operating Current at AC-3 | 10 A |
| Operating Power at AC-3 | 2200 W at 230 V, 4000 W at 400 V, 5500 W at 500 V, 7500 W at 690 V |
| Operating Frequency | 50 - 60 Hz |
| Insulation Voltage | Rated at 690 V with degree of pollution 3 |
| Surge Voltage Resistance | Rated at 6 kV |
| Mechanical Service Life | 100,000 switching cycles for main and auxiliary contacts |
| Electrical Endurance | 100,000 switching cycles |
| Protection Class | IP20 on the front, IP00 of the terminal |
| Ambient Operating Temperature Range | -20 to +60 °C |
| Installation Altitude | Up to 2000 m above sea level |
| Relative Humidity During Operation | 10% to 95% |
| Auxiliary Switch | Yes, with transverse auxiliary switch 1 NO+1 NC |
| Trip Class | CLASS 10 |
| Overload Release | Thermal |
| Short-Circuit Trip Design | Magnetic |
| Connection Screw Design | M3 for main and auxiliary/control contacts |
| Tightening Torque | 0.8 - 1.2 N·m for main and auxiliary contacts with screw-type terminals |
| Screwdriver Tip Size | Pozidriv 2 |
| Safety Approvals | General Product Approval for use in hazardous locations, ATEX certified |
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.
Commonly Asked Questions
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Frequently Asked Questions
What type of device is this circuit breaker designed for?
This Siemens circuit breaker is designed for motor protection, providing a safeguard against overload and short-circuit conditions in industrial motor applications.
Can this circuit breaker be used in hazardous locations?
Yes, the circuit breaker is suitable for use in hazardous locations, as it has been designed to meet the necessary safety standards for such environments.
What is the tripping characteristic of this circuit breaker?
The circuit breaker features a CLASS 10 tripping characteristic, which means it is designed to trip within 10 seconds at 600% of its rated current, providing quick protection against overloads.
What is the rated operational voltage of this circuit breaker?
The rated operational voltage of the circuit breaker is 690 V ac, making it suitable for a wide range of industrial applications.
What is the installation method for this circuit breaker?
The circuit breaker can be installed using screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715, allowing for flexible and secure installation.
What is the mechanical service life of the main contacts?
The mechanical service life of the main contacts is typically 100,000 switching cycles, indicating a long-lasting and reliable performance.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 90 mm in height, 45 mm in width, and 81 mm in depth, making it compact and suitable for installations where space is at a premium.
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.
Is there a need for additional short-circuit protection for the auxiliary switch?
Yes, for short-circuit protection of the auxiliary switch, a fuse gG: 10 A or a miniature circuit breaker C 6 A with a short-circuit current Ik < 400 A is required.
What is the protection class of the front of this circuit breaker?
The front of the circuit breaker has a protection class of IP20, which provides protection against solid objects larger than 12.5 mm but not against water.
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