3RV2021-4FA15

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$159.55
$159.55
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The Siemens 3RV2021-4FA15 is an industrial-grade motor protection circuit breaker designed to ensure reliable protection and control for motors in automation systems. This device features a selectable current setting adjustable from 34 to 40 amps, ideal for safeguarding motors against overloads and short circuits with its Class 10 trip characteristics. It includes a front-mounted auxiliary contact and phase loss sensitivity, providing comprehensive motor protection as well as signaling capabilities. Compact and suitable for DIN rail mounting, the 3RV2021-4FA15 offers robust, factory-tested quality that supports efficient motor control in various industrial applications. Its ability to minimize energy loss and reduce heat generation within control cabinets makes it a preferred choice for engineers aiming for efficient and safe motor operations.

Key Features of Siemens 3RV2021-4FA15

  • Adjustable overload setting range from 34 to 40 A for precise motor protection
  • Class 10 thermal overload release with rapid trip response in ≤10 seconds
  • Front-mounted auxiliary contacts (1 NO + 1 NC) for motor status signaling
  • Phase loss sensitive to detect missing phase conditions
  • DIN rail mounting for easy installation and removal
  • Screw terminal connections for secure wiring
  • High short-circuit breaking capacity: 480 A instantaneous trip
  • Operational voltage rated up to 690 V AC for wide industrial use
  • Compact S0 size housing, saving panel space

Technical Specs of 3RV2021-4FA15

Explore Siemens 3RV2021-4FA15 specifications for detailed parameters to ensure system compatibility.

Specification Details
Current Range 34 - 40 A adjustable
Trip Class Class 10
Auxiliary Contacts 1 NO + 1 NC front-mounted
Short Circuit Breaking Capacity 480 A instantaneous trip
Operating Voltage 220 - 690 V AC
Mounting DIN rail
Size S0

Applications / Use Case

This Siemens 3RV2021-4FA15 is commonly used in industrial automation and process control systems worldwide. It provides critical motor protection in machinery such as conveyor belts, production lines, and factory control panels, where overload and short-circuit protection are essential for operational safety and equipment longevity. The device’s compact design and versatile mounting options make it easy to integrate into existing installations, supporting motion control setups that require reliable, fast motor disconnection to prevent damage and downtime.

Price & Availability

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3RV2021-4FA15

$159.55

  • ACHIEVING

    4.0

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    1%

    return rate

Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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