Siemens 3RV2021-1CA20 Motor Protection Circuit Breaker

Product Description

The Siemens 3RV2021-1CA20 is a robust motor protection circuit breaker from the acclaimed SIRIUS series. Designed for reliable motor protection, this size S0 circuit breaker features a rotary knob for easy operation and an adjustable current setting range from 1.8 A to 2.5 A. It offers CLASS 10 overload protection, making it suitable for standard motor starting conditions. This component is ideal for use in industrial control panels and automation systems, ensuring the safety and longevity of your electrical motors through dependable short-circuit and overload protection. The device utilizes screw-type terminals for secure connections and is designed for standard DIN rail mounting.

Product Specifications

Manufacturer: Siemens
Product Series: SIRIUS
Type Number: 3RV2021-1CA20
Product Type: Motor Protection Circuit Breaker
Size: S0
Adjustable Current Range: 1.8 A to 2.5 A
Overload Release: CLASS 10
Actuator Type: Rotary Knob
Connection Type: Screw Terminals
Mounting Type: DIN Rail

Product Label Info

Model Code / Product Markings: 3RV2021-1CA20

SKU: 2512030015

GTIN-13: 4011209903067

Application

Ideal for industrial control panels and automation systems.

Country of Origin

This product is manufactured in Germany.

Method of Application

Designed for standard DIN rail mounting in industrial settings.

Safety Instructions

Refer to the official documentation for detailed safety instructions.

Availability

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

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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 3RV2021-1CA20 used for?

This part is typically used in industrial control panels and automation systems. It ensures the safety and longevity of electrical motors through reliable short-circuit and overload protection.

What are the key advantages of Siemens 3RV2021-1CA20?

The key advantages include reliable motor protection, adjustable current settings, and easy operation.

Is 3RV2021-1CA20 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 3RV2021-1CA20

Consider other Siemens motor protection circuit breakers with similar specifications for alternative options.

Can I sell my surplus stock to PLC2DAY?

Yes, PLC2DAY accepts surplus stock. Contact us for more information on surplus recovery and resale agreements.

Need Help?

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

Last Update: 24/12/2025

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