Home › Manufacturers › Siemens › 3RV2021-0AA10

Siemens

Siemens 3RV2021-0AA10 Size S0 Motor Protection Breaker

Siemens 3RV2021-0AA10 Size S0 Motor Protection Circuit Breaker with screw terminals.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RV2021-0AA10

Size S0

Class 10

A-release (adjustable) 0.11-0.16 A

N-release (fixed) 2.1 A

Get a price for 3RV2021-0AA10

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Motor protection Small motor applications Adjustable overload Screw terminals Standard switching capacity Class 10 rated

Product description

The Siemens 3RV2021-0AA10 is a Size S0 motor protection circuit breaker designed for reliable motor safeguarding. It features a Class 10 rating, with an adjustable thermal overload release (A-release) ranging from 0.11 to 0.16 A and a fixed short-circuit release (N-release) of 2.1 A. This model is equipped with screw terminals for secure and durable electrical connections, offering standard switching capacity.

This circuit breaker is crucial for protecting smaller electric motors in a variety of industrial applications, including small pumps, fans, and automation equipment. Its precise current settings provide essential protection against overloads and short circuits, ensuring the longevity of motor components.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RV2021-0AA10. We are dedicated to providing high-quality, cost-effective industrial automation components to support your MRO needs and keep your operations running efficiently.

Technical specifications

Size	S0
Class	10
A-release (adjustable)	0.11-0.16 A
N-release (fixed)	2.1 A
Terminal Type	Screw Terminal
Switching Capacity	Standard

Common applications

Small pumps

Fans

Automation equipment

Control panels

HVAC components

Industrial machinery

Compatible systems

Designed for Siemens motor control systems and panel applications needing Size S0 protection with screw terminals.

Also known as

Siemens 3RV2021-0AA10 breaker 3RV20210AA10 Siemens Siemens S0 breaker screw

Replaces / compatible with

This Size S0 circuit breaker is suitable for replacing existing Siemens motor protection breakers in the 3RV2 series requiring small current ratings.

Technical note

Expert tip

Verify the motor's rated current against the breaker's adjustable range to ensure proper overload protection without nuisance tripping.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the short-circuit trip current for the Siemens 3RV2021-0AA10 circuit breaker?

The Siemens 3RV2021-0AA10 features a fixed short-circuit release (N-release) of 2.1 Amperes. This ensures rapid and reliable protection against damaging short circuits in connected motor circuits.