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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2011-0GA25 |
| Alternative Part Number | 3RV20110GA25 |
| Manufacturer | Siemens |
| Product Type | Circuit breaker for motor protection |
| Size | S00 |
| Class | 10 |
| A-Release Current Range | 0.45...0.63 A |
| N-Release Current | 8.2 A |
| Terminal Type | Spring-type |
| Auxiliary Switches | Standard switching capacity with transverse auxiliary switches 1 NO+1 NC |
| Rated Operating Voltage | 690 V |
| Operating Frequency | 50...60 Hz |
| Operating Current at AC-3 | 0.63 A |
| Operating Power at AC-3 (400 V) | 180 W |
| Insulation Voltage | Rated at 690 V with degree of pollution 3 |
| Surge Voltage Resistance | Rated value 6 kV |
| Shock Resistance | According to IEC 60068-2-27 25g / 11 ms |
| Mechanical Service Life | Main contacts typical 100,000 switching cycles |
| Electrical Endurance | Typical 100,000 switching cycles |
| Type of Protection | According to ATEX directive 2014/34/EU Ex II (2) GD |
| Certificate of Suitability | According to ATEX directive 2014/34/EU DMT 02 ATEX F 001 |
| Mounting Position | Any |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Dimensions (H x W x D) | 106 mm x 45 mm x 97 mm |
| Required Spacing for Grounded Parts | At 690 V: Downwards 50 mm, Upwards 50 mm, At the side 30 mm |
| Required Spacing for Live Parts | At 690 V: Downwards 50 mm, Upwards 50 mm, At the side 30 mm |
| Connectable Conductor Cross-Sections | For main contacts: 2x (0.5...4 mm²), For auxiliary contacts: 2x (0.5...2.5 mm²) |
| Protection Class IP | On the front IP20 |
| Ambient Operating Temperature | -20...+60 °C |
| Relative Humidity During Operation | 10...95 % |
The Siemens 3RV2011-0GA25 is a compact and robust circuit breaker designed specifically for motor protection. This device falls under the SIRIUS product family and is categorised as a size S00 circuit breaker, making it suitable for space-saving installations. It features a CLASS 10 A-release range of 0.45 to 0.63 A and an N-release of 8.2 A, ensuring reliable protection against overloads and short circuits.
Constructed with spring-type terminals, the 3RV2011-0GA25 offers a standard switching capacity and includes transverse auxiliary switches with 1 NO+1 NC configuration. The circuit breaker is engineered to provide both thermal and magnetic trip functions, safeguarding electric motors and associated circuitry in industrial settings.
The device is rated for an insulation voltage of 690 V and has a surge voltage resistance of 6 kV, which contributes to its durability and longevity. It also boasts a mechanical service life of approximately 100,000 switching cycles, highlighting its reliability for continuous operation.
With an operational temperature range of -20 to +60 °C, the 3RV2011-0GA25 is versatile and can perform in various environmental conditions. Its design allows for any mounting position and can be easily installed onto a 35 mm standard mounting rail according to DIN EN 60715.
The Siemens 3RV2011-0GA25 circuit breaker is an essential component for motor control applications, offering precise protection and straightforward integration into electrical systems. Its robust construction and reliable performance make it a preferred choice for safeguarding motors in a wide range of industrial environments.
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Frequently Asked Questions
What is the purpose of this circuit breaker?
The Siemens 3RV2011-0GA25 is designed for motor protection. It's a size S00 circuit breaker with CLASS 10 trip characteristics, providing thermal overload protection and short-circuit protection for electric motors.
Can this circuit breaker be used with different types of motors?
Yes, it can be used with various types of motors as long as the motor's current requirements are within the adjustable pick-up value current range of 0.45 to 0.63 A for overload protection and the motor's operational current does not exceed the rated value.
What are the installation requirements for this circuit breaker?
The circuit breaker can be mounted in any position and requires screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715. It also has specific spacing requirements for grounded and live parts at different voltages.
What type of terminals does this circuit breaker have?
It is equipped with spring-loaded terminals for both the main current circuit and the auxiliary and control current circuit.
Is there a specific ambient temperature range for operating this circuit breaker?
The circuit breaker is designed to operate within an ambient temperature range of -20 to +60 °C.
Does this circuit breaker have any auxiliary contacts?
Yes, it comes with transverse auxiliary switches, including 1 normally open (NO) and 1 normally closed (NC) contact.
What is the short-circuit protection capability of this circuit breaker?
The circuit breaker has a maximum short-circuit current breaking capacity (Icu) of 100 kA at voltages up to 690 V and an instantaneous short-circuit trip unit response value current of 8.2 A.
How does the thermal overload release function?
The thermal overload release is designed to protect the motor by tripping the circuit breaker when the current exceeds the set value for an extended period, indicative of an overload condition.
What is the mechanical and electrical service life of this circuit breaker?
The mechanical service life of the main and auxiliary contacts is typically 100,000 switching cycles, and the electrical endurance is also typically 100,000 switching cycles.
Can this circuit breaker be used in hazardous locations?
Yes, the circuit breaker is suitable for use in hazardous locations and is certified according to the ATEX directive 2014/34/EU.
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