Siemens 3RV1421-1KA10 S0 Circuit Breaker for Transformer Protection - 9-12.5A

Siemens 3RV1421-1KA10 S0 Circuit Breaker for Transformer Protection

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ManufacturerSiemens

Part number3RV1421-1KA10

Size S0

Application Transformer protection

A-release 9...12.5 A

Short-circuit release 260 A

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Size S0 circuit breaker Transformer protection Adjustable A-release (9-12.5A) 260A short-circuit release Screw terminal connection Standard switching capacity

Product description

The Siemens 3RV1421-1KA10 is a Size S0 circuit breaker specifically engineered for transformer protection. It features an adjustable A-release range of 9 to 12.5 A and a short-circuit release of 260 A, with screw terminals for secure installation. This unit provides standard switching capacity.

This circuit breaker is essential for protecting transformers in industrial and commercial applications from overloads and short circuits. Its adjustable current settings allow for precise protection tailored to the transformer's operational parameters.

Stanlo Automation, a veteran-owned supplier, offers a wide selection of surplus industrial automation parts. We are committed to providing quality products, competitive pricing, and outstanding customer service.

Technical specifications

Size	S0
Application	Transformer protection
A-release	9...12.5 A
Short-circuit release	260 A
Connection type	Screw terminal
Switching capacity	Standard

Common applications

Transformer Protection

Industrial Electrical Systems

Control Panels

Power Management

Compatible systems

Transformer Protection Industrial Power Control Systems

Also known as

Siemens 3RV1421-1KA10 SIRIUS 3RV1421-1KA10

Replaces / compatible with

This is a phased-out product. The preferred successor is Siemens 3RV2411-1KA10.

Technical note

Expert tip

This Size S0 Siemens circuit breaker is designed for transformer protection, featuring an adjustable trip range from 9A to 12.5A and a 260A short-circuit release.

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Frequently asked questions

What is the upper limit of the adjustable current for the Siemens 3RV1421-1KA10 circuit breaker?

The Siemens 3RV1421-1KA10 circuit breaker has an adjustable A-release that can be set up to 12.5 Amperes, offering precise overload protection.