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Siemens SIRIUS 3RV10 Motor Protection Circuit Breaker

Siemens SIRIUS 3RV1 Size S0 Motor Protection Circuit Breaker.

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ManufacturerSiemens

Part number3RV1021-4AA10

Manufacturer Siemens

Part Number 3RV1021-4AA10

Series SIRIUS 3RV1

Size S0

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Motor protection Adjustable overload release (11-16A) Class 10 trip class Size S0 Screw terminals Standard switching capacity

Product description

The Siemens 3RV1021-4AA10 is a Size S0 circuit breaker from the SIRIUS 3RV1 series, designed for motor protection. It features a Class 10 trip class, an adjustable A-release (overload) of 11-16 A, and a short-circuit release of 208 A. This breaker utilizes screw terminals for connection and offers standard switching capacity.

This motor protection circuit breaker is essential for safeguarding three-phase motors against overloads, short circuits, and phase failures. It is widely used in industrial machinery, pump controls, conveyor systems, and other applications where reliable motor protection is critical. The manual reset function and clear ON/OFF/TRIPPED indication enhance operational safety and ease of use.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 3RV1021-4AA10. Although this product is phased out, we offer a reliable source for this essential component. Secure your motor protection needs with quality surplus parts from Stanlo Automation.

Technical specifications

Manufacturer	Siemens
Part Number	3RV1021-4AA10
Series	SIRIUS 3RV1
Size	S0
Trip Class	Class 10
A-Release (Overload)	11-16 A
Short-Circuit Release	208 A
Poles	3
Connection	Screw Terminal
Switching Capacity	Standard

Common applications

Motor control

Industrial machinery

Pump control

Conveyor systems

HVAC systems

Machine protection

Compatible systems

AC motors Motor control centers Industrial control panels

Also known as

Siemens 3RV10 Motor Starter Protector SIRIUS 3RV10 Circuit Breaker Size S0 Motor Protector

Replaces / compatible with

This product is phased out, with the preferred successor being the SIRIUS 3RV2 series, specifically the 3RV2021-4AA10.

Technical note

Expert tip

While this is a phased-out product, it functions as a standard motor protection circuit breaker with adjustable overload and fixed short-circuit protection.

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Frequently asked questions

What is the adjustable current range for overload protection on the Siemens 3RV1021-4AA10 circuit breaker?

The Siemens 3RV1021-4AA10 circuit breaker has an adjustable A-release (overload) range of 11 to 16 Amperes, allowing precise setting for motor protection.