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Siemens 3RV2021-0JA20 Motor Protection Circuit Breaker - S0, 0.7-1A, Spring Terminals

Siemens 3RV2021-0JA20 Motor Protection Circuit Breaker, Size S0.

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ManufacturerSiemens

Part number3RV2021-0JA20

Manufacturer Siemens

Part Number 3RV2021-0JA20

Size S0

Type Motor Protection Circuit Breaker

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Motor protection Adjustable overload trip Fixed short-circuit release Spring-type terminals Standard switching S0 frame size

Product description

The Siemens 3RV2021-0JA20 is a Size S0 motor protection circuit breaker with a Class 10 rating. It features an adjustable A-release range of 0.7 to 1 A and a fixed N-release of 13 A for short-circuit protection. This model utilizes spring-type terminals for quick and secure connections, offering standard switching capacity for industrial motor applications.

This circuit breaker is essential for safeguarding electric motors against overloads and short circuits in various industrial sectors, including manufacturing, automation, and processing. The spring terminals facilitate faster installation and maintenance, while the precise trip settings ensure reliable motor protection.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 3RV2021-0JA20 at competitive prices. We provide efficient service and quality components to help you minimize operational downtime and reduce maintenance costs for your automation systems.

Technical specifications

Manufacturer	Siemens
Part Number	3RV2021-0JA20
Size	S0
Type	Motor Protection Circuit Breaker
Class	10
A-Release Range	0.7-1 A
N-Release	13 A
Terminal Type	Spring-Type Terminal
Switching Capacity	Standard

Common applications

Motor control

Automation systems

Industrial machinery

Packaging equipment

Conveyor systems

Pump applications

Compatible systems

Compatible with Siemens Sirius motor control systems. The spring terminals are suitable for solid and finely stranded conductors within their specified gauge range.

Also known as

Siemens 3RV2021-0JA20 breaker Siemens S0 motor protection spring terminal 3RV20 with push-in terminals Siemens 0.7-1A spring breaker

Replaces / compatible with

This unit is a direct replacement for Siemens 3RV2021-0JA20 motor protection circuit breakers. It ensures compatibility and performance equivalent to the original.

Technical note

Expert tip

Spring-type terminals offer vibration resistance and faster installation, making the 3RV2021-0JA20 ideal for applications where quick maintenance or assembly is required.

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Frequently asked questions

What type of terminals does the Siemens 3RV2021-0JA20 use?

The Siemens 3RV2021-0JA20 features spring-type terminals, also known as push-in or cage clamp terminals. These allow for faster and tool-free wire connections compared to traditional screw terminals.