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Siemens 3RV1421-4AA10 S0 Circuit Breaker for Transformer Protection - 11-16A

Siemens 3RV1421-4AA10 S0 Circuit Breaker for Transformer Protection

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ManufacturerSiemens

Part number3RV1421-4AA10

Size S0

Application Transformer protection

A-release 11...16 A

Short-circuit release 286 A

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Size S0 circuit breaker Transformer protection Adjustable A-release (11-16A) 286A short-circuit release Screw terminal connection Standard switching capacity

Product description

The Siemens 3RV1421-4AA10 is a Size S0 circuit breaker specifically designed for transformer protection. It features an adjustable A-release range of 11 to 16 A and a short-circuit release of 286 A, utilizing screw terminals for secure electrical connections. This unit provides standard switching capacity.

This circuit breaker is vital for safeguarding transformers in various industrial settings against overcurrent faults. Its adjustable current settings allow for precise protection tailored to specific transformer loads.

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Technical specifications

Size	S0
Application	Transformer protection
A-release	11...16 A
Short-circuit release	286 A
Connection type	Screw terminal
Switching capacity	Standard

Common applications

Transformer Protection

Industrial Power Systems

Control Panels

Electrical Safety

Compatible systems

Transformer Protection Industrial Electrical Control

Also known as

Siemens 3RV1421-4AA10 SIRIUS 3RV1421-4AA10

Replaces / compatible with

This is a phased-out product. The preferred successor is Siemens 3RV2411-4AA10.

Technical note

Expert tip

This Size S0 Siemens circuit breaker is optimized for transformer protection, featuring an adjustable trip range from 11A to 16A and a 286A short-circuit release.

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Frequently asked questions

What is the maximum adjustable current for the Siemens 3RV1421-4AA10 transformer protection breaker?

The Siemens 3RV1421-4AA10 circuit breaker has an adjustable A-release that can be set up to 16 Amperes, providing reliable protection for transformers within this range.