Home › Manufacturers › Siemens › 3RV2021-4CA10

Siemens

Siemens 3RV2021-4CA10 S0 Motor Protection Circuit Breaker

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RV2021-4CA10

Size S0

Motor Protection Yes

Class 10

A-Release 16-22 A

Get a price for 3RV2021-4CA10

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 Adjustable trip current Standard switching capacity Screw terminals CLASS 10 rating

Product description

The Siemens 3RV2021-4CA10 is a size S0 motor starter protector designed for reliable motor protection. It features a CLASS 10 rating, an adjustable A-release (16-22A), and a fixed N-release of 286A. This model utilizes screw terminals for secure connections and offers standard switching capacity.

This circuit breaker is ideal for a wide range of industrial applications, including motor control circuits, pump systems, and conveyor belts. It is commonly used in manufacturing, food processing, and water treatment industries where robust motor protection is essential.

As a veteran-owned surplus parts distributor, Stanlo Automation offers genuine Siemens components like the 3RV2021-4CA10. We provide competitive pricing and fast shipping, ensuring your operations minimize downtime. Trust Stanlo for reliable automation solutions.

Technical specifications

Size	S0
Motor Protection	Yes
Class	10
A-Release	16-22 A
N-Release	286 A
Terminals	Screw
Switching Capacity	Standard

Common applications

Motor control panels

Pump stations

Conveyor systems

HVAC systems

Manufacturing equipment

Compatible systems

Motor control circuits PLC controlled systems Industrial machinery

Also known as

Siemens 3RV2021-4CA10 3RV20214CA10 Siemens S0 circuit breaker

Replaces / compatible with

Compatible with Siemens 3RV2 series accessories and systems.

Technical note

Expert tip

Ensure proper torque is applied to the screw terminals during installation to maintain a secure connection and prevent overheating.

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 adjustable trip current range for the Siemens 3RV2021-4CA10?

The Siemens 3RV2021-4CA10 motor protection circuit breaker has an adjustable A-release (thermal overload trip) ranging from 16 to 22 Amps. This allows for precise setting based on motor FLA.