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Siemens 3RV2021-1KA20 S0 Circuit Breaker - 9-12A Spring Terminals

Siemens 3RV2021-1KA20 S0 motor protection circuit breaker.

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ManufacturerSiemens

Part number3RV2021-1KA20

Size S0

Trip Class CLASS 10

Adjustable Current 9-12 A

Fixed Current 163 A

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CAGE: 9NK75

Motor protection CLASS 10 trip class Adjustable thermal release Spring-type terminals Size S0 Standard switching capacity

Product description

The Siemens 3RV2021-1KA20 is a size S0 motor protection circuit breaker designed for efficient motor safeguarding. It features a CLASS 10 adjustable thermal release covering a range of 9 to 12 Amps, complemented by a 163A magnetic trip release. This model utilizes spring-type terminals for quick and reliable wiring.

This circuit breaker is employed to protect electric motors from damaging overloads and short circuits. It is a common component in industrial automation, machine building, and control panel construction, ensuring operational continuity and equipment longevity.

Stanlo Automation, a veteran-owned surplus parts distributor, is your source for the Siemens 3RV2021-1KA20. We provide high-quality, tested components to meet your industrial automation needs, offering competitive pricing and efficient service.

Technical specifications

Size	S0
Trip Class	CLASS 10
Adjustable Current	9-12 A
Fixed Current	163 A
Terminal Type	Spring-type
Switching Capacity	Standard

Common applications

Motor starting circuits

Overload protection

Short circuit protection

Industrial controls

OEM machinery

Factory automation

Compatible systems

Siemens Sirius 3RV2 series

Also known as

Siemens 3RV2021-1KA20 breaker Siemens S0 motor circuit breaker 3RV20211KA20 Siemens

Replaces / compatible with

This part is a Siemens 3RV2021-1KA20. Please refer to Siemens documentation for direct replacement guidance.

Technical note

Expert tip

The spring-type terminals on the 3RV2021-1KA20 are designed for quick installation and vibration resistance, ensuring a stable connection in demanding environments.

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Frequently asked questions

What is the adjustable thermal trip range for the Siemens 3RV2021-1KA20?

The Siemens 3RV2021-1KA20 offers an adjustable thermal trip range from 9 to 12 Amps. This setting is crucial for providing accurate overload protection for motors within this current range.