Siemens SIRIUS 3RV2021-0KA15 Motor Protection Circuit Breaker

Product Description

This Siemens SIRIUS 3RV2021-0KA15 motor protection circuit breaker is designed for reliable and efficient protection of motors in industrial applications.

Product Specifications

- Manufacturer: Siemens
- Series: SIRIUS
- Product Type: Motor Protection Circuit Breaker
- Model Number: 3RV2021-0KA15
- Overload Release Current Setting: 0.9 - 1.25 A
- Trip Class: CLASS 10
- Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
- Function: Motor protection against overload and short-circuit
- Mounting Type: Screw and snap-on mounting

Product Label Info

Model Code / Product Markings: 3RV2021-0KA15

Application

Designed for reliable motor protection in industrial applications.

Country of Origin

This product is manufactured in Germany.

Method of Application

Space-saving installation on a standard DIN rail.

Safety Instructions

Ensure proper installation and follow manufacturer guidelines for safe operation.

Availability

Order now from PLC2Day, items in stock and ready for fast worldwide delivery.

Need urgent and express delivery, sourcing, or repairs? Contact us now.

Documentation

• Official datasheet or product page Siemens

Resources

Additional resources and manuals are available upon request. Contact us for details.

Internal & External Links

• All products from Siemens
• Explore similar products in Electrical Power Transmission

Frequently Asked Questions

What is the Siemens SIRIUS 3RV2021-0KA15 used for?

This part is typically used in industrial environments to protect motors from overload and short-circuit.

What are the key advantages of Siemens SIRIUS 3RV2021-0KA15?

Offers precise overload and short-circuit protection with adjustable current settings.

Is 3RV2021-0KA15 compatible with my system?

If you're using Siemens control systems, especially the SIRIUS series, then this model will likely be compatible. Contact us to verify.

Alternatives to 3RV2021-0KA15

Consider other Siemens motor protection circuit breakers with similar functionality.

Can I sell my surplus stock to PLC2DAY?

Yes, PLC2DAY accepts surplus stock for resale. Contact us for more information.

Need Help?

Call us at +31(0)165 20 11 80 or get in touch online.

Last Update: 22/12/2025

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