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Siemens 3RV2021-1FA10: Size S0 Motor Protection Circuit Breaker

Siemens 3RV2021-1FA10 Size S0 Motor Protection Circuit Breaker

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ManufacturerSiemens

Part number3RV2021-1FA10

Size S0

Class 10

A-release 3.5-5 A

N-release 65 A

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Adjustable thermal overload protection Class 10 tripping Short-circuit protection DIN rail mountable Standard switching capacity

Product description

The Siemens 3RV2021-1FA10 is a Size S0 motor protection circuit breaker designed for reliable electrical system management. It features an adjustable A-release (thermal overload) range of 3.5 to 5 Amps and an N-release (short-circuit) of 65 Amps. This breaker operates with a Class 10 tripping characteristic, ensuring effective protection against overloads while minimizing nuisance tripping.

This circuit breaker is ideal for protecting motors and electrical equipment in various industrial applications, including manufacturing plants, automation systems, and machinery. Its robust design ensures consistent performance in demanding environments, safeguarding against costly downtime.

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Technical specifications

Size	S0
Class	10
A-release	3.5-5 A
N-release	65 A
Terminals	Screw

Common applications

Motor protection

Industrial automation

Machine control

Electrical panels

Manufacturing equipment

Compatible systems

Compatible with Siemens SIRIUS motor starter systems and accessories.

Also known as

Siemens 3RV2021-1FA10 circuit breaker SIRIUS 3RV2 motor protector Siemens S0 motor breaker

Replaces / compatible with

This circuit breaker is part of the Siemens SIRIUS 3RV2 series and offers direct replacement for previous models with similar specifications within this range.

Technical note

Expert tip

Ensure proper torque is applied to screw terminals for secure connections, and consider using the optional auxiliary switches for remote signaling or control.

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Frequently asked questions

What is the adjustable current range for the Siemens 3RV2021-1FA10?

The Siemens 3RV2021-1FA10 features an adjustable thermal overload release (A-release) ranging from 3.5 to 5 Amps. This allows for precise setting to protect motors within this specific current range.