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Siemens 3RV2021-4AA10: Size S0 Motor Protection Circuit Breaker

Siemens 3RV2021-4AA10 Size S0 Motor Protection Circuit Breaker

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ManufacturerSiemens

Part number3RV2021-4AA10

Size S0

Class 10

A-release 10-16 A

N-release 208 A

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Adjustable thermal overload protection Class 10 tripping Fixed magnetic short-circuit protection Phase loss sensitivity Screw terminals

Product description

The Siemens 3RV2021-4AA10 is a Size S0 motor protection circuit breaker designed for reliable and safe operation of electric motors. It offers an adjustable thermal overload protection (A-release) range of 10 to 16 Amps and a fixed magnetic short-circuit release (N-release) of 208 Amps. This breaker is built with Class 10 tripping characteristics.

Ideal for a wide array of industrial applications, this circuit breaker ensures dependable motor protection in control cabinets, machinery, and power distribution systems, minimizing downtime and maintenance costs.

Stanlo Automation, your trusted veteran-owned source for surplus industrial parts, provides the Siemens 3RV2021-4AA10, ensuring quality and availability.

Technical specifications

Size	S0
Class	10
A-release	10-16 A
N-release	208 A
Terminals	Screw

Common applications

Motor protection

Industrial control

Automation systems

Machine builders

Electrical panels

Compatible systems

Compatible with Siemens SIRIUS motor starter systems and associated accessories.

Also known as

Siemens 3RV2021-4AA10 breaker SIRIUS 3RV2 motor protection device

Replaces / compatible with

This Siemens 3RV2021-4AA10 replaces the older 3RV1021-4AA10 model and is a standard S0 size motor protection circuit breaker.

Technical note

Expert tip

The screw terminals allow for secure wiring, and optional auxiliary switches can be added for enhanced control and signaling capabilities.

What happens next?

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Frequently asked questions

What is the maximum motor power this Siemens 3RV2021-4AA10 can protect?

While the breaker's current rating is 10-16A, its suitability for motor power depends on the motor's operating characteristics and voltage. For example, it's rated for 4kW at 230V and 5.5kW at 400V (AC-3).