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Siemens motor circuit breaker 3RV2021-4BA20, 13–20 A, 3-pole, S0 size, 55 kA, spring terminals, compact design.

Siemens 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 to safeguard motors and equipment against overloads, short circuits, and phase loss. It features a setting range of 13–20 A, 3-pole switching, spring-loaded terminals, and a high breaking capacity of 55 kA, perfect for compact industrial panels.

Key Features

  • Current Setting Range: 13 A to 20 A

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

  • Voltage Rating: Up to 690V AC

  • Utilization Category: AC-3

  • Connection Type: Spring-loaded terminals

  • Tripping Class: Class 10

  • Manual Reset and Switching

  • Size: S0 for compact installations

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

Technical Specifications

  • Catalog Number: 3RV2021-4BA20

  • Frame Size: S0

  • Poles: 3

  • Protection Class: IP20

  • Mounting: DIN rail or screw

  • Ambient Temperature Range: -20°C to +60°C

  • Weight: Approx. 0.435 kg

  • Certifications: CE, UL, CSA, EAC

  • Country of Origin: Germany

Applications

  • Electric motor protection (13–20 A)

  • Industrial panels and MCCs

  • Pumps, HVAC systems, compressors

  • Machine OEMs needing reliable compact protection

Why Choose the 3RV2021-4BA20?

  • Compact and robust for industrial use

  • Reliable motor protection with built-in thermal-magnetic tripping

  • Easy wiring via spring terminals

  • Flexible DIN rail mounting

  • Complies with global standards

Order Now

Ready for fast worldwide shipping.

Brand-New, Authentic, Factory-Sealed Components At PLCVERSE, every item we offer is guaranteed to be brand-new, original, and delivered in its factory-sealed packaging. Our parts are sourced with strict quality control to ensure you receive genuine automation components that meet top industry reliability and performance standards.
1-Year Warranty Coverage Every new product purchased from PLCVERSE includes a full 1-year warranty. We stand behind the quality and durability of our automation components, providing protection against manufacturing defects under normal use. Our commitment is to ensure you receive dependable, high-performance parts with complete peace of mind.
PLCVERSE is an independent seller of industrial automation equipment. We are not an authorized distributor, partner, or representative of any of the manufacturers featured on this website. All brand names, trademarks, and logos remain the property of their respective owners. PLCVERSE has no association or endorsement from ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other brands mentioned.

Description

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

Overview

The Siemens 3RV2021-4BA20 is a SIRIUS series motor protection circuit breaker designed to safeguard motors and equipment against overloads, short circuits, and phase loss. It features a setting range of 13–20 A, 3-pole switching, spring-loaded terminals, and a high breaking capacity of 55 kA, perfect for compact industrial panels.

Key Features

  • Current Setting Range: 13 A to 20 A

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

  • Voltage Rating: Up to 690V AC

  • Utilization Category: AC-3

  • Connection Type: Spring-loaded terminals

  • Tripping Class: Class 10

  • Manual Reset and Switching

  • Size: S0 for compact installations

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

Technical Specifications

  • Catalog Number: 3RV2021-4BA20

  • Frame Size: S0

  • Poles: 3

  • Protection Class: IP20

  • Mounting: DIN rail or screw

  • Ambient Temperature Range: -20°C to +60°C

  • Weight: Approx. 0.435 kg

  • Certifications: CE, UL, CSA, EAC

  • Country of Origin: Germany

Applications

  • Electric motor protection (13–20 A)

  • Industrial panels and MCCs

  • Pumps, HVAC systems, compressors

  • Machine OEMs needing reliable compact protection

Why Choose the 3RV2021-4BA20?

  • Compact and robust for industrial use

  • Reliable motor protection with built-in thermal-magnetic tripping

  • Easy wiring via spring terminals

  • Flexible DIN rail mounting

  • Complies with global standards

Order Now

Ready for fast worldwide shipping.

Condition

Brand-New, Authentic, Factory-Sealed Components At PLCVERSE, every item we offer is guaranteed to be brand-new, original, and delivered in its factory-sealed packaging. Our parts are sourced with strict quality control to ensure you receive genuine automation components that meet top industry reliability and performance standards.

Warranty

1-Year Warranty Coverage Every new product purchased from PLCVERSE includes a full 1-year warranty. We stand behind the quality and durability of our automation components, providing protection against manufacturing defects under normal use. Our commitment is to ensure you receive dependable, high-performance parts with complete peace of mind.

Disclaimer

PLCVERSE is an independent seller of industrial automation equipment. We are not an authorized distributor, partner, or representative of any of the manufacturers featured on this website. All brand names, trademarks, and logos remain the property of their respective owners. PLCVERSE has no association or endorsement from ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other brands mentioned.
Siemens 3RV2021-4BA20

Siemens 3RV2021-4BA20

$440.00
Add to wishlist
Siemens 3RV2021-4BA20

Siemens 3RV2021-4BA20

Your Price:
$440.00
Item Added to Your Cart
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