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Siemens 3RV2021-0HA10 Motor Protection Circuit Breaker - S0, 0.55-0.8A

Siemens 3RV2021-0HA10 Motor Protection Circuit Breaker, Size S0.

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ManufacturerSiemens

Part number3RV2021-0HA10

Manufacturer Siemens

Part Number 3RV2021-0HA10

Size S0

Type Motor Protection Circuit Breaker

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Motor protection Adjustable thermal overload Fixed magnetic short-circuit release Screw terminals Standard switching capacity S0 frame size

Product description

The Siemens 3RV2021-0HA10 is a high-performance Size S0 circuit breaker designed for robust motor protection. It features a Class 10 rating, an adjustable A-release setting from 0.55 to 0.8 A, and a 10 A N-release for short-circuit protection. This breaker is equipped with screw terminals for secure connections and offers standard switching capacity, ensuring reliable operation in demanding industrial environments.

This circuit breaker is essential for protecting electric motors in a wide array of industrial applications, including manufacturing, automation, and machine building. Its precise overload settings and rapid fault clearing capabilities help prevent motor damage and minimize costly downtime, ensuring continuous operation.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 3RV2021-0HA10 at competitive prices. Partner with us for cost-effective solutions, fast shipping, and reliable access to the components you need to keep your operations running smoothly.

Technical specifications

Manufacturer	Siemens
Part Number	3RV2021-0HA10
Size	S0
Type	Motor Protection Circuit Breaker
Class	10
A-Release Range	0.55-0.8 A
N-Release	10 A
Terminal Type	Screw Terminal
Switching Capacity	Standard

Common applications

Industrial motor control

Machine tools

Packaging equipment

Robotics

HVAC systems

Material handling equipment

Compatible systems

Compatible with Siemens Sirius motor starters and control panels. Suitable for applications requiring DOL or reversed DOL motor starting.

Also known as

Siemens 3RV2021-0HA10 breaker Siemens S0 motor starter 3RV20 motor protection breaker Siemens 0.55-0.8A breaker

Replaces / compatible with

This unit is a direct replacement for the Siemens 3RV2021-0HA10 motor protection circuit breaker. It provides equivalent functionality and performance.

Technical note

Expert tip

Always ensure the circuit breaker is correctly sized for the motor's full load current and that the ambient temperature does not adversely affect its thermal trip characteristics.

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Frequently asked questions

What are the overload and short-circuit trip ratings for the Siemens 3RV2021-0HA10?

The Siemens 3RV2021-0HA10 offers adjustable overload protection from 0.55 to 0.8 Amps and a fixed short-circuit release of 10 Amps. This ensures comprehensive protection for motors within this range.