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Siemens 3RV1421-1FA10 S0 Circuit Breaker for Transformer Protection - 3.5-5A

Siemens 3RV1421-1FA10 S0 Circuit Breaker for Transformer Protection

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ManufacturerSiemens

Part number3RV1421-1FA10

Size S0

Application Transformer protection

A-release 3.5...5 A

Short-circuit release 104 A

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Size S0 circuit breaker Transformer protection Adjustable A-release (3.5-5A) 104A short-circuit release Screw terminal connection Standard switching capacity

Product description

The Siemens 3RV1421-1FA10 is a Size S0 circuit breaker engineered for transformer protection. It offers an adjustable A-release range from 3.5 to 5 A and a short-circuit release of 104 A, utilizing screw terminals for secure electrical connections. This unit provides standard switching capacity.

This circuit breaker is a key component in protecting transformers from overcurrent and short-circuit faults in industrial and commercial power systems. Its adjustable trip settings ensure tailored protection for various transformer sizes.

Stanlo Automation is a veteran-owned provider of surplus industrial automation parts. We are committed to offering high-quality components and exceptional service to meet your automation needs.

Technical specifications

Size	S0
Application	Transformer protection
A-release	3.5...5 A
Short-circuit release	104 A
Connection type	Screw terminal
Switching capacity	Standard

Common applications

Transformer Protection

Power Systems

Control Panels

Industrial Facilities

Compatible systems

Transformer Protection Industrial Power Systems

Also known as

Siemens 3RV1421-1FA10 SIRIUS 3RV1421-1FA10

Replaces / compatible with

This is a phased-out product. The preferred successor is Siemens 3RV2411-1FA10.

Technical note

Expert tip

This Size S0 breaker is suitable for transformer protection with an adjustable trip range of 3.5 to 5A, ensuring precise overload safeguarding.

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Frequently asked questions

What is the short-circuit release rating for the Siemens 3RV1421-1FA10 circuit breaker?

The Siemens 3RV1421-1FA10 circuit breaker has a short-circuit release rating of 104 Amperes, providing protection against fault currents.