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Siemens 3RV2021-1JA20 S0 Circuit Breaker - 7-10A

Siemens 3RV2021-1JA20 S0 motor protection circuit breaker.

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ManufacturerSiemens

Part number3RV2021-1JA20

Size S0

Trip Class CLASS 10

Adjustable Current 7-10 A

Fixed Current 130 A

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Motor protection Adjustable thermal release CLASS 10 trip class Spring-type terminals Compact size S0 Standard switching capacity

Product description

The Siemens 3RV2021-1JA20 is a size S0 motor protection circuit breaker designed for reliable operation and safety in industrial applications. It features an adjustable thermal release range of 7-10A with a CLASS 10 rating, and a fixed magnetic release of 130A. This breaker utilizes spring-type terminals for quick and secure connections and offers standard switching capacity.

This circuit breaker is ideal for protecting electric motors against overload, short circuits, and phase failures. It is commonly used in various industries including manufacturing, food and beverage processing, and water treatment, where reliable motor control and safety are paramount.

Source your Siemens 3RV2021-1JA20 from Stanlo Automation, a veteran-owned business, for guaranteed quality and expert support. We ensure all our surplus parts are thoroughly inspected and ready for immediate deployment, providing you with cost-effective solutions and fast delivery.

Technical specifications

Size	S0
Trip Class	CLASS 10
Adjustable Current	7-10 A
Fixed Current	130 A
Terminal Type	Spring-type
Switching Capacity	Standard

Common applications

Motor control

Overload protection

Short circuit protection

Industrial automation

Machine building

Electrical panels

Compatible systems

Siemens Sirius 3RV2 series

Also known as

Siemens 3RV2021-1JA20 circuit breaker Siemens S0 motor breaker 3RV20211JA20 Siemens

Replaces / compatible with

This part is a Siemens 3RV2021-1JA20. Please consult the Siemens documentation for specific compatibility information if you are replacing an older unit.

Technical note

Expert tip

Ensure proper wire termination with the spring-type terminals to maintain reliable electrical contact and prevent nuisance tripping.

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Frequently asked questions

What is the adjustable current range for the Siemens 3RV2021-1JA20?

The Siemens 3RV2021-1JA20 features an adjustable thermal release with a current range of 7 to 10 Amps. This allows for precise motor protection tailored to specific load requirements.