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Siemens 3RV1421-0BA10 S0 Circuit Breaker for Transformer Protection

Siemens 3RV1421-0BA10 S0 Circuit Breaker for Transformer Protection.

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ManufacturerSiemens
Part number3RV1421-0BA10
Type Circuit breaker
Size S0
For Transformer protection
A-release 0.14-0.2 A
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Size S0 For transformer protection Adjustable A-release Screw terminal connections Standard switching capacity

The Siemens 3RV1421-0BA10 is a size S0 circuit breaker engineered for transformer protection. It includes an adjustable current setting (A-release) from 0.14A to 0.2A and a short-circuit release of 4.2A, with screw terminals for reliable connections. This breaker provides standard switching capacity.

This device is essential for safeguarding transformers against overloads and short circuits in various industrial and commercial power systems. Its adjustable range allows for tailored protection of different transformer sizes and loads.

As a veteran-owned surplus distributor, Stanlo Automation is dedicated to providing access to vital industrial components. We offer the Siemens 3RV1421-0BA10, ensuring you can maintain and repair your critical equipment with reliable, albeit phased-out, parts.

TypeCircuit breaker
SizeS0
ForTransformer protection
A-release0.14-0.2 A
Short-circuit release4.2 A
TerminalsScrew terminal
Switching CapacityStandard
Transformer protection
Industrial power systems
Commercial electrical systems
Control panels
Electrical safety
Transformers Control circuits
Siemens 3RV1421-0BA10 SIRIUS 3RV1421-0BA10 Siemens S0 transformer breaker
This part is a phased-out product. The preferred successor is the Siemens SIRIUS 3RV2411-0BA10.
Expert tip
The adjustable current setting range of 0.14-0.2A should be carefully selected to prevent nuisance tripping while ensuring adequate protection for the transformer.
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What is the short-circuit release rating for the Siemens 3RV1421-0BA10 transformer protection circuit breaker?
The Siemens 3RV1421-0BA10 circuit breaker is equipped with a short-circuit release of 4.2A. This rating is designed to protect transformers from rapid, high-magnitude fault currents.