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Siemens 3RV2021-1HA10: Size S0 Motor Protection Circuit Breaker

Siemens 3RV2021-1HA10 Size S0 Motor Protection Circuit Breaker

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ManufacturerSiemens

Part number3RV2021-1HA10

Size S0

Class 10

A-release 5.5-8 A

N-release 104 A

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Adjustable thermal overload protection Class 10 tripping Short-circuit protection Phase loss sensitive DIN rail mountable

Product description

The Siemens 3RV2021-1HA10 is a Size S0 motor protection circuit breaker designed for robust motor control and protection. It offers an adjustable A-release (thermal overload) range of 5.5 to 8 Amps and an N-release (short-circuit) of 104 Amps. With its Class 10 tripping characteristic, it provides reliable protection against overcurrents.

This circuit breaker is essential for safeguarding motors in industrial machinery, control panels, and automation systems, ensuring operational continuity and preventing equipment damage.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 3RV2021-1HA10 and a wide range of surplus industrial parts, ensuring you get the quality components you need.

Technical specifications

Size	S0
Class	10
A-release	5.5-8 A
N-release	104 A
Terminals	Screw

Common applications

Motor protection

Industrial machinery

Control panels

Automation

Electrical distribution

Compatible systems

Compatible with Siemens SIRIUS motor starter systems and related accessories.

Also known as

Siemens 3RV2021-1HA10 breaker SIRIUS 3RV2 motor starter protector

Replaces / compatible with

This Siemens 3RV2021-1HA10 is a direct replacement for other Siemens S0 size motor protection circuit breakers with similar current ratings and specifications.

Technical note

Expert tip

The adjustable thermal trip ensures accurate motor protection, while the fixed magnetic trip provides instantaneous short-circuit protection.

What happens next?

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Frequently asked questions

What is the N-release (short-circuit) rating for the Siemens 3RV2021-1HA10?

The Siemens 3RV2021-1HA10 has a fixed magnetic short-circuit release (N-release) rated at 104 Amps. This provides rapid protection against high fault currents.