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Siemens 3RV2421-1EA10 S0 Transformer Protection Circuit Breaker

Siemens 3RV2421-1EA10 Size S0 circuit breaker for transformer protection.

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ManufacturerSiemens

Part number3RV2421-1EA10

Size S0

For transformer protection Yes

A-release 2.8...4 A

Short-circuit release 82 A

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Transformer protection Adjustable overload protection Fixed short-circuit release Screw terminals Standard switching capacity Size S0

Product description

The Siemens 3RV2421-1EA10 is a Size S0 circuit breaker designed for transformer protection. It offers an adjustable A-release range of 2.8 to 4 Amps and a fixed short-circuit release of 82 Amps. Equipped with screw terminals and standard switching capacity, this breaker provides reliable protection for transformers.

This component is crucial for safeguarding transformers in industrial applications against overcurrents and short circuits. It is commonly used in motor control centers, power distribution units, and various automated machinery where transformer integrity is paramount.

Source your Siemens 3RV2421-1EA10 from Stanlo Automation, a trusted veteran-owned distributor of surplus industrial automation parts. We are committed to providing quality components and exceptional service to keep your operations running smoothly.

Technical specifications

Size	S0
For transformer protection	Yes
A-release	2.8...4 A
Short-circuit release	82 A
Terminals	Screw terminal
Switching capacity	Standard

Common applications

Transformer protection

Industrial control

Automation systems

Power distribution

Machinery control

Manufacturing

Compatible systems

Siemens Sirius 3RV2 Siemens 3RV2 accessories

Also known as

Siemens 3RV24211EA10 Siemens S0 transformer breaker Siemens 2.8-4A breaker

Replaces / compatible with

Compatible with Siemens Sirius 3RV2 series accessories.

Technical note

Expert tip

This breaker is specifically engineered for transformer protection, offering a distinct tripping characteristic compared to standard motor protection circuit breakers.

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Frequently asked questions

What is the trip class of the Siemens 3RV2421-1EA10 circuit breaker?

While the exact trip class isn't explicitly stated, the 3RV2421-1EA10 is designed for transformer protection, implying a characteristic trip curve suitable for such applications. It features an adjustable thermal overload release (2.8-4A) and a fixed magnetic short-circuit release (82A).