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Siemens 3RV2021-4PA10 S0 Motor Protection Circuit Breaker

Siemens 3RV2021-4PA10 S0 motor protection breaker with screw terminals.

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ManufacturerSiemens

Part number3RV2021-4PA10

Size S0

Class 10

A-release 30-36 A

N-release 432 A

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Motor protection Adjustable current setting Screw terminals Standard switching capacity Class 10 rating Reliable tripping

Product description

The Siemens 3RV2021-4PA10 is a Size S0 motor protection circuit breaker designed for Class 10 operation. It features an adjustable A-release range of 30 to 36 A and a short-circuit release of 432 A. This model is equipped with screw terminals for secure connections and offers standard switching capacity.

This circuit breaker is engineered for robust motor protection in industrial applications such as machine tools, pumps, and fans. Its precise current adjustment capability ensures optimal protection against overloads for motors within its rated range.

Stanlo Automation, a veteran-owned distributor of industrial surplus, offers the Siemens 3RV2021-4PA10. We provide quality, reliable components to keep your automation systems performing at their best.

Technical specifications

Size	S0
Class	10
A-release	30-36 A
N-release	432 A
Terminals	Screw
Switching Capacity	Standard

Common applications

Motor control

Industrial machinery

Pump systems

Fan systems

Machine tools

Automation panels

Compatible systems

Siemens Sirius 3RV2 series motor protection

Also known as

Siemens 3RV2 S0 breaker 3RV2021-4PA10 motor starter Siemens 30-36A circuit breaker

Replaces / compatible with

Replaces older Siemens motor protection circuit breakers in the S0 size with screw terminals. Compatible with Siemens Sirius accessories.

Technical note

Expert tip

Ensure the setting wheel is securely locked in position after the desired current rating is selected to prevent accidental adjustments.

What happens next?

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Frequently asked questions

What is the appropriate motor size for the Siemens 3RV2021-4PA10?

The Siemens 3RV2021-4PA10, with its adjustable range of 30-36A, is suitable for protecting motors typically rated for higher horsepower or kilowatt outputs that fall within this thermal overload setting. Always consult motor nameplate data for exact compatibility.