5SY8120-7

The Siemens SENTRON 5SY8120-7 miniature circuit breaker is a single-pole 20A circuit breaker with a type C tripping characteristic. It is rated for 400V AC/72V DC and has a short-circuit breaking capacity of 5kA, making it suitable for single-phase circuit protection applications.

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Siemens SENTRON 5SY8120-7 Miniature Circuit Breaker Single Pole 20A Product Image

Product Positioning

The Siemens SENTRON 5SY8120-7 is a single-pole 20A type C miniature circuit breaker suitable for overload and short-circuit protection in general lighting or socket circuits.

Core Product Advantages and Features

20A Single-Pole Design

Rated current 20A, suitable for overload protection of single-phase load circuits.

C-type bounce characteristics

The instantaneous tripping rate conforms to the C-curve and is suitable for general resistive and inductive loads.

Dual voltage applicable

Rated voltages cover 400V AC and 72V DC, making it suitable for a wide range of applications.

5kA short circuit breaking capacity

It has a 5kA breaking capacity to ensure safe disconnection in case of circuit failure.

project	Specification
Rated current	20A
Extreme number	1P
breakaway characteristics	Type C
Rated voltage	400V AC / 72V DC
Short circuit breaking capacity	5kA

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