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Siemens 3RV2021-4BA20

SKU: 3RV2021-4BA20
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Siemens 3RV2021-4BA20 | SIRIUS Motor Protection Circuit Breaker

Overview

The Siemens 3RV2021-4BA20 is a SIRIUS series motor protection circuit breaker designed for safe and efficient protection of motors and equipment against overloads, short circuits, and phase failures. Rated for 13–20 A, this breaker features a 55 kA short-circuit breaking capacity and is classified as size S0. It supports 3-pole protection and spring-type terminal connections.

Key Features

  • Current Setting Range: 13 A to 20 A

  • Rated Operational Voltage (Ue): Up to 690V AC

  • Short-Circuit Breaking Capacity: 55 kA at 400V

  • Utilization Category: AC-3

  • Poles: 3

  • Terminal Type: Spring-type terminals

  • Size: S0

  • Tripping Class: Class 10

  • Mounting: Standard DIN rail or screw fixing

  • Reset Function: Manual and automatic reset options

  • Switching Function: Manual ON/OFF switching

  • Contact Type: Fixed

Technical Specifications

  • Catalog Number: 3RV2021-4BA20

  • Frame Size: S0

  • Rated Service Short-Circuit Breaking Capacity (Ics): 55 kA

  • Operational Performance:

    • 100,000 electrical operations (AC-3)

    • 1,000,000 mechanical operations

  • Trip Unit: Thermal-magnetic

  • Ambient Temperature:

    • Operation: -20°C to +60°C

    • Storage: -40°C to +80°C

  • Standards: IEC/EN 60947-4-1, IEC/EN 60947-2

  • Protection Degree: IP20 (front), higher with enclosure

  • Weight: Approx. 0.4 kg

  • Country of Origin: Germany

Applications

  • Motor Protection: Efficiently protects motors from overload and short circuits

  • Industrial Control Panels: Compact design for tight installations

  • HVAC, Pumps, Compressors: Reliable protection in commercial and industrial systems

  • Machine Building and OEMs

Why Choose the 3RV2021-4BA20?

  • Precise Motor Protection: 13–20 A range fits many 3-phase motors

  • High Fault Capacity: 55 kA ensures safe operation in fault conditions

  • Compact & Modular: Easy integration into control systems

  • Reliable Performance: Robust construction with long operational lifespan

  • Flexible Installation: Suitable for panel mounting or DIN rail

Order Now

Available for global shipment.

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Siemens 3RV2021-4BA20 | SIRIUS Motor Protection Circuit Breaker

Overview

The Siemens 3RV2021-4BA20 is a SIRIUS series motor protection circuit breaker designed for safe and efficient protection of motors and equipment against overloads, short circuits, and phase failures. Rated for 13–20 A, this breaker features a 55 kA short-circuit breaking capacity and is classified as size S0. It supports 3-pole protection and spring-type terminal connections.

Key Features

  • Current Setting Range: 13 A to 20 A

  • Rated Operational Voltage (Ue): Up to 690V AC

  • Short-Circuit Breaking Capacity: 55 kA at 400V

  • Utilization Category: AC-3

  • Poles: 3

  • Terminal Type: Spring-type terminals

  • Size: S0

  • Tripping Class: Class 10

  • Mounting: Standard DIN rail or screw fixing

  • Reset Function: Manual and automatic reset options

  • Switching Function: Manual ON/OFF switching

  • Contact Type: Fixed

Technical Specifications

  • Catalog Number: 3RV2021-4BA20

  • Frame Size: S0

  • Rated Service Short-Circuit Breaking Capacity (Ics): 55 kA

  • Operational Performance:

    • 100,000 electrical operations (AC-3)

    • 1,000,000 mechanical operations

  • Trip Unit: Thermal-magnetic

  • Ambient Temperature:

    • Operation: -20°C to +60°C

    • Storage: -40°C to +80°C

  • Standards: IEC/EN 60947-4-1, IEC/EN 60947-2

  • Protection Degree: IP20 (front), higher with enclosure

  • Weight: Approx. 0.4 kg

  • Country of Origin: Germany

Applications

  • Motor Protection: Efficiently protects motors from overload and short circuits

  • Industrial Control Panels: Compact design for tight installations

  • HVAC, Pumps, Compressors: Reliable protection in commercial and industrial systems

  • Machine Building and OEMs

Why Choose the 3RV2021-4BA20?

  • Precise Motor Protection: 13–20 A range fits many 3-phase motors

  • High Fault Capacity: 55 kA ensures safe operation in fault conditions

  • Compact & Modular: Easy integration into control systems

  • Reliable Performance: Robust construction with long operational lifespan

  • Flexible Installation: Suitable for panel mounting or DIN rail

Order Now

Available for global shipment.

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Siemens 3RV2021-4BA20

Siemens 3RV2021-4BA20

$440.00
Add to wishlist
Siemens 3RV2021-4BA20

Siemens 3RV2021-4BA20

Your Price:
$440.00
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