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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2011-0HA20 |
| Alternative Part Number | 3RV20110HA20 |
| Manufacturer | Siemens |
| Product Type | Motor Protection Circuit Breaker |
| Rated Current | 0.8 A |
| Rated Voltage | 690 V ac |
| Mounting Type | Screw Mount; Snap-On Mount |
| Interrupting Capacity | 100 kA (AC); 10 kA (DC) |
| Terminal Type | Spring Loaded |
| Tripping Mechanism | Thermal-Magnetic |
| Operation | Knob |
| Dimensions | 45 x 96.9 x 106 mm |
| Required Spacing | 0 mm (forwards/backwards/side-by-side), 50 mm (upwards/downwards for grounded/live parts at 690V) |
| Electrical Connection | Spring-loaded terminals for main current circuit, top and bottom arrangement |
| Conductor Cross-Section | 2x (0.5 ... 4 mm²) solid or stranded, 2x (0.5 ... 2.5 mm²) finely stranded with/without core end processing |
| AWG Cables for Main Contacts | 2x (20 ... 12) |
| Screwdriver Shaft Design | Diameter 3 mm |
| Protection Class | IP20 on the front according to IEC 60529 |
| Touch Protection | Finger-safe, for vertical contact from the front |
| Display for Switching Status | Handle |
| Approvals | General Product Approval for use in hazardous locations |
The Siemens 3RV2011-0HA20 is a robust motor protection circuit breaker designed to safeguard motors from potential damage due to overload and short-circuit conditions. This circuit breaker is part of the SIRIUS 3RV2 range and is engineered to provide reliable protection for motors with a class 10 trip characteristic, ensuring quick response to prevent motor burnout.
With a compact size S00 footprint, this circuit breaker is suitable for space-constrained applications, offering a convenient screw mount and snap-on mount for easy installation onto a standard 35 mm DIN rail. It features a current adjustment range of 0.55 to 0.8 A, making it versatile for various motor sizes within this spectrum.
The 3RV2011-0HA20 is equipped with a three-pole main current circuit and is rated for an operating voltage of up to 690 V AC, with an operating frequency of 50 to 60 Hz. The thermal-magnetic protection mechanism ensures both thermal overload protection and instantaneous short-circuit response, providing a comprehensive motor protection solution.
Designed with safety in mind, the circuit breaker has an IP20 protection rating, ensuring finger-safe terminals and front operation. The device is also capable of withstanding mechanical shocks and vibrations in line with IEC standards, making it suitable for industrial environments.
This motor protection circuit breaker is an essential component for motor control applications, offering both performance and reliability. It is a key part of motor control systems in industries such as manufacturing, automation, and processing, where motor safety and uptime are critical.
Commonly Asked Questions
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Frequently Asked Questions
What is the purpose of this motor protection circuit breaker?
This motor protection circuit breaker is designed to safeguard motors from overloads, short circuits, and phase failures. It provides reliable protection to ensure the longevity and efficiency of your motor.
Can this circuit breaker be used for system protection?
Yes, in addition to motor protection, this circuit breaker also offers system protection capabilities.
What are the mounting options for this circuit breaker?
The circuit breaker can be mounted using screw and snap-on methods onto a 35 mm standard mounting rail according to DIN EN 60715.
What is the tripping class of this circuit breaker?
This circuit breaker operates with a class 10 tripping characteristic, which is standard for motor protection as it allows for a quick response to prevent motor damage.
What is the current rating for this circuit breaker?
The current rating for this circuit breaker is adjustable from 0.55 to 0.8 A, with a non-adjustable instantaneous short circuit release of 10 A.
What type of connections does this circuit breaker support?
It supports spring-loaded terminals for the main current circuit, providing a secure and maintenance-free connection.
Is there a need for additional spacing when installing this circuit breaker?
Yes, when installing the circuit breaker, it is recommended to maintain a spacing of 50 mm upwards and downwards for grounded parts at 690 V, and 30 mm at the side for live parts at the same voltage.
What is the size of this circuit breaker?
The circuit breaker is of size S00, with dimensions of 45 mm in width, 97 mm in depth, and 106 mm in height.
Does this circuit breaker have a disconnector functionality?
Yes, it has disconnector functionality, which allows it to be used as a means of safely disconnecting power for maintenance or emergency purposes.
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, offering protection against touch by fingers and objects greater than 12.5 mm.
Part conditions explained
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