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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1011-1KA15 |
| Alternative Part Number | 3RV10111KA15 |
| Manufacturer | Siemens |
| Type | Circuit Breaker |
| Poles | 3 Pole |
| Rated Current | 12.5 A |
| Operating Voltage | 690 V ac |
| Dimensions | 45 x 75 x 90 mm |
| Trip Class | CLASS 10 |
| Adjustable Current Range | 9...12 A |
| Frequency | 50...60 Hz |
| Operating Power at AC-3 (400 V) | 5.5 kW |
| Mechanical Operating Cycles | 100,000 typical |
| Electrical Endurance | 100,000 switching cycles typical |
| Protection Class | IP20 on the front |
| Ambient Operating Temperature | -20...+60 °C |
| Installation Altitude | Up to 2,000 m above sea level |
| Relative Humidity | 10...95 % during operation |
| Auxiliary Circuit Design | Transverse auxiliary switch |
| Short-Circuit Protection | Yes, with magnetic trip |
| Commodity Code | 853620 |
| Safety Approvals | ATEX, General Product Approval for use in hazardous locations |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Connection Type | Screw-type terminals for main current circuit |
| Conductor Cross-Section Range | 2x (0.5...1.5 mm²), 2x (0.75...2.5 mm²), 2x (1...4 mm²) for main contacts |
The Siemens 3RV1011-1KA15 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in various industrial settings. This three-pole device is part of the SIRIUS product family, renowned for its reliability and performance. With a CLASS 10 trip class, it offers a quick response to current overloads, with an adjustable pick-up value current of 9 to 12.5 A, and a rated operational short-circuit breaking capacity of up to 100 kA at 240 V.
Crafted to fit into a compact space with dimensions of 45 x 75 x 90 mm, this circuit breaker is suitable for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022, allowing for versatile installation options. The device is equipped with one normally open (NO) and one normally closed (NC) auxiliary contact, providing additional control and signalling capabilities.
The 3RV1011-1KA15 is engineered to withstand challenging environmental conditions, with an operational temperature range of -20 to +60 °C and an installation altitude of up to 2000 metres above sea level. It also features an IP20 protection rating on the front, ensuring finger-safe operation and protection against solid objects.
This circuit breaker is an essential component for motor protection circuits, offering a reliable solution to safeguard against overloads and short circuits, thus contributing to the longevity and efficiency of your industrial equipment.
Commonly Asked Questions
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Frequently Asked Questions
What is the purpose of this circuit breaker?
This circuit breaker is designed for motor protection, providing both overload and short-circuit protection. It's suitable for use in a variety of industrial applications to safeguard motors from electrical damage.
Can this circuit breaker be used in hazardous locations?
Yes, the circuit breaker is certified for use in hazardous locations, making it suitable for a range of environments where safety is a priority.
What is the maximum operating voltage for this circuit breaker?
The maximum operating voltage for this circuit breaker is 690 V ac, which allows it to be used in high-voltage applications.
What are the dimensions of the circuit breaker?
The dimensions of the circuit breaker are 45 x 75 x 90 mm, making it compact and suitable for installations where space is limited.
What is the trip class of this circuit breaker?
The circuit breaker has a trip class of 10, which refers to the time it takes for the breaker to trip in the event of an overload. Class 10 breakers trip within 10 seconds under certain conditions.
Is there a specific ambient temperature range for operating this circuit breaker?
Yes, the circuit breaker can operate within an ambient temperature range of -20 to +60 degrees Celsius, ensuring reliable performance across a wide range of temperatures.
What type of terminal connections does this circuit breaker have?
This circuit breaker features screw-type terminals for secure and reliable connections to the main current circuit.
How many poles does this circuit breaker have?
The circuit breaker is a 3-pole device, which means it can be used to protect three-phase electrical circuits.
What is the mechanical service life of the circuit breaker?
The mechanical service life of the circuit breaker's main contacts is typically 100,000 switching cycles, indicating its durability and longevity.
Does this circuit breaker have auxiliary contacts?
Yes, it comes with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact for additional control functionality.
Part conditions explained
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