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Siemens 3RV2021-0BA10 Size S0 Motor Protection Breaker

Siemens 3RV2021-0BA10 Size S0 Motor Protection Circuit Breaker with screw terminals.

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ManufacturerSiemens

Part number3RV2021-0BA10

Size S0

Class 10

A-release (adjustable) 0.14-0.2 A

N-release (fixed) 2.6 A

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Motor protection Adjustable overload Screw terminals Standard switching capacity Class 10 rated Reliable performance

Product description

The Siemens 3RV2021-0BA10 is a Size S0 motor protection circuit breaker built for dependable operation. It adheres to Class 10 standards and offers an adjustable thermal overload release (A-release) from 0.14 to 0.2 A, along with a fixed short-circuit release (N-release) of 2.6 A. This model is equipped with screw terminals for secure electrical connections and provides standard switching capacity.

This circuit breaker is essential for protecting small to medium electric motors in industrial automation, machinery control, and facility management. Its precise adjustment capabilities ensure optimal motor performance and protection against overloads and short circuits.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV2021-0BA10. We are committed to providing reliable, cost-effective industrial automation components to meet your MRO requirements.

Technical specifications

Size	S0
Class	10
A-release (adjustable)	0.14-0.2 A
N-release (fixed)	2.6 A
Terminal Type	Screw Terminal
Switching Capacity	Standard

Common applications

Small motor control

Machinery protection

Automation systems

Control panels

Industrial applications

Facility maintenance

Compatible systems

Compatible with Siemens control panels and motor control solutions requiring Size S0 protection with screw terminals.

Also known as

Siemens 3RV2021-0BA10 breaker 3RV20210BA10 Siemens S0 Siemens screw terminal breaker

Replaces / compatible with

This Size S0 circuit breaker is suitable for applications needing motor protection with adjustable current settings in the 0.14-0.2A range.

Technical note

Expert tip

For optimal performance, ensure the ambient temperature around the circuit breaker does not exceed its specified operating limits.

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Frequently asked questions

What is the maximum short-circuit current the Siemens 3RV2021-0BA10 can safely interrupt?

The Siemens 3RV2021-0BA10 has a fixed short-circuit release (N-release) of 2.6 Amperes. This rating ensures it can reliably interrupt fault currents up to this level, protecting the motor and connected equipment.