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Siemens 5SX2105-7 Miniature Circuit Breaker - 0.5A, 1-Pole C-Type

Siemens T55 Miniature Circuit Breaker - 0.5A, 1-Pole, C-Curve, 6kA.

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ManufacturerSiemens

Part number5SX2105-7

Type Miniature Circuit Breaker

Series T55

Poles 1

Rated Current 0.5 A

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1-Pole Design C-Curve Tripping 0.5A Rating 6kA Breaking Capacity 230/400V AC T55 Series

Product description

The Siemens 5SX2105-7 is a single-pole miniature circuit breaker from the T55 series, designed for overcurrent protection. It features a C-curve tripping characteristic, a rated current of 0.5A, and a breaking capacity of 6kA at 230/400V. The terminal type is screw.

This circuit breaker is suitable for protecting electrical circuits in residential, commercial, and industrial applications against overloads and short circuits. The C-curve makes it appropriate for loads with moderate inrush currents, such as lighting circuits or small motors.

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Technical specifications

Type	Miniature Circuit Breaker
Series	T55
Poles	1
Rated Current	0.5 A
Tripping Characteristic	C
Breaking Capacity	6 kA
Voltage Rating	230/400 V AC
Terminal Type	Screw

Common applications

Residential electrical panels

Commercial distribution boards

Industrial control panels

Lighting circuits

Small motor protection

Compatible systems

Standard DIN rail mounting for use in various electrical panels and enclosures.

Also known as

Siemens T55 Circuit Breaker 5SX2 Circuit Breaker Siemens 0.5A breaker 1-pole C-curve breaker

Replaces / compatible with

This part is a standard 1-pole, C-curve, 0.5A circuit breaker and can replace similar units from Siemens or other manufacturers meeting the same specifications.

Technical note

Expert tip

The C-curve is designed to tolerate inrush currents up to 5-10 times the rated current, providing protection without nuisance tripping for inductive loads.

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Frequently asked questions

What type of loads is the Siemens 5SX2105-7 circuit breaker suitable for?

The Siemens 5SX2105-7 circuit breaker, with its C-curve tripping characteristic, is suitable for loads that experience moderate inrush currents, such as lighting circuits or small motor applications.