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Siemens 3RV2021-4FA10 SIRIUS motor protection breaker, 3-pole, 55–70A, thermal-magnetic, size S2, DIN rail mountable.

Siemens 3RV2021-4FA10

SKU: 3RV2021-4FA10
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$550.00
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Siemens 3RV2021-4FA10 | Adjustable Motor Protection Circuit Breaker for Industrial Applications

Overview

The Siemens 3RV2021-4FA10 is a SIRIUS 3-pole motor protection circuit breaker designed to protect motors and equipment against overload, phase failure, and short-circuits. With an adjustable current range of 55 to 70A, this Size S2 breaker features thermal-magnetic protection and is optimized for use in motor feeders, machinery, and control panels. Compact and robust, it supports both DIN rail and screw mounting, ensuring versatility and ease of integration into industrial systems.

Key Features

  • Current Range: Adjustable from 55 to 70A

  • Number of Poles: 3

  • Protection Type: Thermal (overload) + Magnetic (short-circuit)

  • Size: S2 frame size

  • Mounting: DIN rail or screw mount

  • Operating Voltage: Up to 690V AC

  • Breaking Capacity: High short-circuit breaking capacity

  • Switching Category: AC-3

  • Terminal Type: Screw connections

  • Trip Class: Class 10

Technical Specifications

  • Catalog Number: 3RV2021-4FA10

  • Series: SIRIUS

  • Rated Operational Voltage: 690V

  • Rated Frequency: 50/60 Hz

  • Utilization Category: AC-3

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

  • Degree of Protection: IP20 (front), IP40 in enclosure

  • Dimensions (HxWxD): Approx. 100 × 55 × 130 mm

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

  • Certifications: CE, UL, CSA, EAC

Applications

  • Motor control centers (MCC)

  • Conveyor and pump protection

  • Industrial machines and automation systems

  • HVAC systems

  • OEM panel building

Why Choose the 3RV2021-4FA10?

  • Wide Adjustment Range: Covers multiple motor sizes with one unit

  • Space-Saving Format: Compact design for control panel integration

  • Siemens Quality: Reliable operation even in harsh conditions

  • Flexible Mounting Options: DIN rail or screw installation

  • All-in-One Protection: Combines overload and short-circuit functions

Order Now

The Siemens 3RV2021-4FA10 is available and ready to ship globally.

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 3RV2021-4FA10 | Adjustable Motor Protection Circuit Breaker for Industrial Applications

Overview

The Siemens 3RV2021-4FA10 is a SIRIUS 3-pole motor protection circuit breaker designed to protect motors and equipment against overload, phase failure, and short-circuits. With an adjustable current range of 55 to 70A, this Size S2 breaker features thermal-magnetic protection and is optimized for use in motor feeders, machinery, and control panels. Compact and robust, it supports both DIN rail and screw mounting, ensuring versatility and ease of integration into industrial systems.

Key Features

  • Current Range: Adjustable from 55 to 70A

  • Number of Poles: 3

  • Protection Type: Thermal (overload) + Magnetic (short-circuit)

  • Size: S2 frame size

  • Mounting: DIN rail or screw mount

  • Operating Voltage: Up to 690V AC

  • Breaking Capacity: High short-circuit breaking capacity

  • Switching Category: AC-3

  • Terminal Type: Screw connections

  • Trip Class: Class 10

Technical Specifications

  • Catalog Number: 3RV2021-4FA10

  • Series: SIRIUS

  • Rated Operational Voltage: 690V

  • Rated Frequency: 50/60 Hz

  • Utilization Category: AC-3

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

  • Degree of Protection: IP20 (front), IP40 in enclosure

  • Dimensions (HxWxD): Approx. 100 × 55 × 130 mm

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

  • Certifications: CE, UL, CSA, EAC

Applications

  • Motor control centers (MCC)

  • Conveyor and pump protection

  • Industrial machines and automation systems

  • HVAC systems

  • OEM panel building

Why Choose the 3RV2021-4FA10?

  • Wide Adjustment Range: Covers multiple motor sizes with one unit

  • Space-Saving Format: Compact design for control panel integration

  • Siemens Quality: Reliable operation even in harsh conditions

  • Flexible Mounting Options: DIN rail or screw installation

  • All-in-One Protection: Combines overload and short-circuit functions

Order Now

The Siemens 3RV2021-4FA10 is available and ready to ship globally.

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 3RV2021-4FA10

Siemens 3RV2021-4FA10

$550.00
Add to wishlist
Siemens 3RV2021-4FA10

Siemens 3RV2021-4FA10

Your Price:
$550.00
Item Added to Your Cart
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