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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1021-0JA15 |
| Alternative Part Number | 3RV10210JA15 |
| Manufacturer | Siemens |
| Actuator Type | Knob Actuator |
| Rated Operating Voltage | 690 V |
| Rated Current | 1 A |
| Dimensions | 45 x 91 x 97 mm |
| Trip Class | CLASS 10 |
| Adjustable Response Current | 0.7 ...1 A |
| Number of Poles | 3 |
| Auxiliary Switch | Yes |
| Total Typical Power Loss | 6 W |
| Surge Voltage Resistance | 6,000 V |
| Protection Class IP | IP20 |
| Shock Resistance | 25g / 11 ms |
| Mechanical Service Life | 100,000 switching cycles |
| Installation Altitude | Up to 2,000 m above sea level |
| Ambient Operating Temperature Range | -20 ... +60 °C |
| Short-Circuit Current Breaking Capacity (Icu) | 100 kA at 240 V, 400 V, 500 V, 690 V |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Connection Type | Screw-type terminals for main current circuit and auxiliary/control current circuit |
| Commodity Code | 853620 |
The Siemens 3RV1021-0JA15 is a robust circuit breaker designed for motor protection, ensuring the safe and efficient operation of machinery in industrial settings. This component is part of the SIRIUS product family, renowned for its reliability and performance. With a size S0 frame, it is compact and suitable for space-conscious installations.
This circuit breaker is engineered to provide Class 10 protection, with an adjustable A-release range of 0.7 to 1 A and a N-release of 13 A. It is equipped with a screw connection for secure and straightforward installation. The standard breaking capacity, combined with a transverse auxiliary switch featuring 1NO/1NC, makes it a versatile choice for various applications.
The device is rated for an operating voltage of up to 690 V and can handle a service power of 0.25 kW at AC-3, 400 V. It is designed to withstand surge voltages up to 6,000 V and offers a protection class of IP20 on the front, ensuring finger-safe operation.
With a mechanical service life of approximately 100,000 switching cycles for the main contacts, the Siemens 3RV1021-0JA15 is built to last, even in demanding industrial environments. It can be mounted on a 35 mm standard mounting rail according to DIN EN 50022, allowing for flexible installation options.
The circuit breaker's dimensions are 45 x 91 x 97 mm, making it a compact solution that can be easily integrated into existing systems without requiring significant modifications. It is designed to operate within an ambient temperature range of -20 to +60 °C, ensuring consistent performance even in varying environmental conditions.
Overall, the Siemens 3RV1021-0JA15 circuit breaker is a reliable and efficient solution for motor protection, offering adjustable settings and robust construction for industrial applications.
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Frequently Asked Questions
What is the voltage rating for this circuit breaker?
The circuit breaker is rated for an operating voltage of up to 690 V.
Can this circuit breaker be used for motor protection?
Yes, it is specifically designed for motor protection and is classified as a Class 10 device.
What is the current adjustment range for the overload release?
The current-dependent overload release can be adjusted from 0.7 A to 1 A.
What are the dimensions of this circuit breaker?
The dimensions are 45 mm in width, 91 mm in height, and 97 mm in depth.
Is there an auxiliary switch available with this circuit breaker?
Yes, it comes with a transverse auxiliary switch that includes 1 normally open (NO) and 1 normally closed (NC) contact.
What is the mechanical service life of the main contacts?
The main contacts have a typical mechanical service life of 100,000 switching cycles.
What is the protection class of the front side of this circuit breaker?
The front side of the circuit breaker has a protection class of IP20.
Can this circuit breaker be mounted on a DIN rail?
Yes, it can be mounted using screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the maximum altitude for installing this circuit breaker?
It can be installed at altitudes up to 2,000 meters above sea level.
What is the short-circuit current breaking capacity of this device?
The maximum short-circuit current breaking capacity (Icu) is rated at 100 kA for voltages up to 690 V.
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