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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2021-1AA10 |
| Alternative Part Number | 3RV20211AA10 |
| Manufacturer | Siemens |
| Type | Circuit Breaker |
| Poles | 3 Pole |
| Current Range | A-release 1.1...1.6 A |
| Rated Operational Voltage | 690 V ac |
| Dimensions | 45 x 96.9 x 97 mm |
| Mounting Position | Any |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Required Spacing | Varies with voltage level; up to 50 mm downwards/upwards and 30 mm at the side for 690 V |
| Electrical Connection | Screw-type terminals |
| Conductor Cross-section | Solid or stranded 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) |
| Tightening Torque | 2 ... 2.5 N·m |
| Connection Screw Thread | M4 |
| Protection Class | IP20 on the front according to IEC 60529 |
| Touch Protection | Finger-safe, for vertical contact from the front |
| Tripping Characteristics | Available upon request |
| Approvals | General Product Approval for use in hazardous locations |
The Siemens 3RV2021-1AA10 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 engineered to provide Class 10 overload protection, with an adjustable A-release range of 1.1 to 1.6 A and an N-release of 21 A. Its compact dimensions, 45 x 96.9 x 97 mm, make it suitable for installation in space-constrained environments.
Crafted for durability, the 3RV2021-1AA10 boasts a mechanical service life of approximately 100,000 switching cycles, highlighting its reliability for long-term use. The circuit breaker is equipped with screw-type terminals for secure and straightforward electrical connections, accommodating both solid and finely stranded conductors.
This circuit breaker is designed to be mounted onto a 35 mm standard mounting rail according to DIN EN 60715, allowing for versatile installation orientations. It also features short-circuit protection with a magnetic trip, enhancing the safety of the electrical system it is integrated into.
The 3RV2021-1AA10 is rated for use up to 690 V ac, making it suitable for a wide range of applications. Its operational temperature range of -20 to +60 °C ensures consistent performance even in demanding environmental conditions.
Overall, the Siemens 3RV2021-1AA10 circuit breaker is a reliable and efficient solution for motor protection, offering precise overload and short-circuit protection to maintain the integrity of industrial electrical systems.
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Frequently Asked Questions
What type of circuit breaker is this?
This is a 3-pole circuit breaker designed for motor protection, with CLASS 10 A-release and adjustable current settings.
Can this circuit breaker be used in hazardous locations?
Yes, it has been approved for use in hazardous locations, ensuring compliance with relevant safety standards.
What is the current rating for this circuit breaker?
The current rating for this circuit breaker is adjustable from 1.1 to 1.6 A.
What is the maximum operating voltage for this device?
The maximum operating voltage for this circuit breaker is 690 V ac.
What are the dimensions of this circuit breaker?
The dimensions are 45 x 96.9 x 97 mm, making it compact and suitable for standard mounting rails.
Is there a specific mounting position required for this circuit breaker?
No, it can be mounted in any position, providing flexibility in installation.
What type of terminals does this circuit breaker have for the main current circuit?
It features screw-type terminals for secure and reliable connections.
What is the mechanical service life of this circuit breaker?
The mechanical service life is typically 100,000 switching cycles, indicating a long-lasting durability.
Does this circuit breaker offer short circuit protection?
Yes, it includes a magnetic short-circuit trip feature for enhanced protection.
What is the temperature range for operating this circuit breaker?
It can operate within a temperature range of -20 to +60°C, suitable for various industrial environments.
Part conditions explained
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