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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1011-1CA15 |
| Alternative Part Number | 3RV10111CA15 |
| Manufacturer | Siemens |
| Product Type | Motor Protection Circuit Breaker |
| Rated Operating Voltage | 690 V ac |
| Mounting Options | Screw Mount; Snap-On Mount |
| Short-Circuit Breaking Capacity | 100 kA (AC); 10 kA (DC) |
| Connection Type | Screw |
| Tripping Mechanism | Thermal-Magnetic |
| Actuator Type | Rocker |
| Dimensions | 45 x 75 x 90 mm |
| Number of Poles | 3 |
| Adjustable Current Range | 1.8 - 2.5 A |
| Operating Frequency | 50 - 60 Hz |
| Rated Operating Current | 2.5 A |
| Mechanical Service Life | 100,000 switching cycles |
| Electrical Endurance | 100,000 switching cycles |
| Insulation Voltage | Rated at 690 V |
| Surge Voltage Resistance | Rated at 6 kV |
| Ambient Operating Temperature Range | -20 to +60 °C |
| Relative Humidity | 10 - 95 % |
| Protection Class | IP20 (front), IP00 (terminal) |
| Auxiliary Contacts | 1 NO (Normally Open) + 1 NC (Normally Closed) |
| Tightening Torque | 0.8 - 1.2 N·m |
| Screwdriver Tip Size | Pozidriv 2 |
| Commodity Code | 853620 |
| Safety Approvals | For use in hazardous locations, as per relevant certificates and approvals |
The Siemens 3RV1011-1CA15 is a robust motor protection circuit breaker designed to safeguard motors in industrial applications. This component is part of the SIRIUS product family, renowned for its reliability and efficiency in protecting motors against overload and short-circuit conditions. With a Class 10 trip characteristic, it ensures rapid disconnection in the event of a fault, minimising potential damage to the motor and associated equipment.
This circuit breaker is rated for a 2.5 A operating current and can handle voltages up to 690 V ac, making it suitable for a wide range of motor sizes and applications. The screw mount and snap-on mount options provide flexibility for installation on standard mounting rails, conforming to DIN EN 60715 standards. Its compact dimensions, 45 x 75 x 90 mm, allow for efficient use of space inside control cabinets.
The 3RV1011-1CA15 features a thermal-magnetic trip mechanism, ensuring both thermal protection for overload and magnetic protection for short-circuit incidents. It is equipped with a rocker actuator for clear indication of the ON/OFF status, enhancing ease of use for operators. The device also includes built-in auxiliary contacts, providing additional functionality for control and signalling purposes.
Constructed with safety in mind, the circuit breaker offers finger-safe protection and is rated IP20 on the front, preventing direct contact with live parts. It has a mechanical service life of approximately 100,000 switching cycles, indicating a long-lasting and durable performance in demanding industrial environments.
Overall, the Siemens 3RV1011-1CA15 motor protection circuit breaker is a reliable and essential component for motor control applications, offering both protection and operational efficiency.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of this motor protection circuit breaker?
The motor protection circuit breaker is designed to protect motors from overloads, short circuits, and phase failures. It provides safe and reliable disconnection in the event of a fault, ensuring the protection of the motor and associated equipment.
Can this circuit breaker be used with three-phase motors?
Yes, it is suitable for use with three-phase motors and has a rated operational current of 2.5 A at AC-3 at 400 V.
What is the trip class of this circuit breaker?
The circuit breaker has a trip class of CLASS 10, which means it will trip within 10 seconds under certain conditions to prevent motor damage.
What are the mounting options for this circuit breaker?
It can be mounted using screws or snapped onto a 35 mm standard mounting rail according to DIN EN 60715.
What is the maximum operating voltage for this device?
The maximum operating voltage for this circuit breaker is 690 V.
What is the mechanical service life of the main contacts?
The mechanical service life of the main contacts is typically 100,000 switching cycles.
What type of terminals does this circuit breaker have?
It is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit.
What is the protection class of the front face of this circuit breaker?
The front face of the circuit breaker has a protection class of IP20, providing protection against solid objects larger than 12.5 mm.
What is the ambient operating temperature range for this circuit breaker?
The ambient operating temperature range is from -20°C to +60°C, with temperature compensation across this range.
Does this circuit breaker have a ground fault detection feature?
No, this model does not include a ground fault detection feature.
Part conditions explained
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