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Siemens 3RV2021-4BA10 S0 Circuit Breaker - 13-20A Screw Terminals

Siemens 3RV2021-4BA10 S0 motor protection circuit breaker.

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ManufacturerSiemens

Part number3RV2021-4BA10

Size S0

Trip Class CLASS 10

Adjustable Current 13-20 A

Fixed Current 260 A

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Motor protection CLASS 10 rating Adjustable thermal overload Screw terminals Size S0 High magnetic trip current

Product description

The Siemens 3RV2021-4BA10 is a size S0 motor protection circuit breaker featuring a CLASS 10 thermal release, adjustable from 13 to 20 Amps, and a 260A magnetic trip release. It is equipped with robust screw terminals for secure electrical connections and offers standard switching capacity.

This circuit breaker is essential for protecting larger electric motors from thermal overloads and short circuits. It is widely utilized in heavy industry, manufacturing, and infrastructure projects where reliable motor control and safety are critical.

Stanlo Automation, a veteran-owned distributor, is your trusted source for surplus automation components like the Siemens 3RV2021-4BA10. We ensure our parts meet stringent quality standards, providing cost-effective solutions with reliable performance and prompt delivery.

Technical specifications

Size	S0
Trip Class	CLASS 10
Adjustable Current	13-20 A
Fixed Current	260 A
Terminal Type	Screw
Switching Capacity	Standard

Common applications

Industrial motor protection

Heavy machinery

Manufacturing

Control panels

Pump stations

Compressor control

Compatible systems

Siemens Sirius 3RV2 series

Also known as

Siemens 3RV2021-4BA10 breaker Siemens S0 overload protection 3RV20214BA10 Siemens

Replaces / compatible with

This part is a Siemens 3RV2021-4BA10. For precise replacement information, please consult the manufacturer's technical specifications or datasheets.

Technical note

Expert tip

Ensure proper torque is applied to the screw terminals of the 3RV2021-4BA10 for secure connections, especially in high-vibration industrial environments.

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Frequently asked questions

What is the maximum adjustable current for the Siemens 3RV2021-4BA10 circuit breaker?

The Siemens 3RV2021-4BA10 features an adjustable thermal release with a maximum setting of 20 Amps. This allows for precise protection of motors within the 13A to 20A range.