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Siemens 3RV1021-1AA1 S0 Motor Protection Circuit Breaker

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ManufacturerSiemens

Part number3RV1021-1AA1

Size S0

Motor Protection Yes

Class 10

A-release 1.1-1.6 A

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Motor protection Class 10 rating Adjustable thermal trip Screw terminal connection Standard switching capacity Phased-out product

Product description

The Siemens 3RV1021-1AA1 is a Size S0 circuit breaker designed for motor protection, featuring Class 10 thermal overload protection. It has an adjustable trip range (A-release) of 1.1 to 1.6 A and a short-circuit release of 21 A. This standard switching capacity breaker uses screw terminals. It is a phased-out product, with the SIRIUS 3RV2 series, specifically the 3RV2011-1AA1, identified as its successor.

This circuit breaker is essential for safeguarding motors in various industrial applications, preventing damage from overcurrents and short circuits. It is commonly used in manufacturing, automation, and processing industries for motor control centers and machinery protection.

Stanlo Automation, a veteran-owned surplus parts distributor, offers access to legacy and hard-to-find automation components like the Siemens 3RV1021-1AA1. We help ensure the continued operation of your existing systems by providing reliable sources for critical parts.

Technical specifications

Size	S0
Motor Protection	Yes
Class	10
A-release	1.1-1.6 A
Short-circuit release	21 A
Connection	Screw terminal
Switching capacity	Standard

Common applications

Motor control

Industrial automation

Manufacturing equipment

Pump protection

Fan control

Also known as

Siemens 3RV1021-1AA1 Siemens S0 Motor Breaker SIRIUS 3RV1021

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RV2011-1AA1.

Technical note

Expert tip

This breaker is designed for applications requiring motor protection up to 1.6A, ensuring compliance with Class 10 standards for thermal overload.

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Frequently asked questions

What is the short-circuit release current for the Siemens 3RV1021-1AA1 circuit breaker?

The Siemens 3RV1021-1AA1 circuit breaker features a short-circuit release set at 21 Amperes. This provides rapid protection against high fault currents, complementing its adjustable thermal trip range of 1.1 to 1.6 Amperes.