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Siemens 5SY8350-7 Miniature Circuit Breaker - 3-Pole, C50, 400V

Siemens 5SY8350-7 miniature circuit breaker, 3-pole, C50, 400V.

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ManufacturerSiemens

Part number5SY8350-7

Poles 3

Rated Current 50A

Breaking Capacity 25kA

Voltage 400V

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Three-pole configuration C-curve tripping High current rating (50A) 25kA breaking capacity 400V rating Complies with EN 60947-2

Product description

The Siemens 5SY8350-7 is a three-pole miniature circuit breaker designed for 400V AC circuits. It features a C-curve tripping characteristic and a high rated current of 50A, suitable for circuits with moderate inrush currents. With a substantial breaking capacity of 25kA, compliant with EN 60947-2, this breaker offers robust protection. It is designed with a standard 70mm width for easy integration.

This 3-pole, 50A circuit breaker is typically used in industrial and commercial power distribution systems. It is suitable for protecting main distribution circuits, large loads, and equipment where a higher current rating and C-curve are required.

As a veteran-owned surplus parts distributor, Stanlo Automation is your source for quality industrial automation components like the Siemens 5SY8350-7. We offer competitive pricing and reliable service to support your operational needs.

Technical specifications

Poles	3
Rated Current	50A
Breaking Capacity	25kA
Voltage	400V
Curve	C (C50)
Width	70mm
Standard	EN 60947-2

Common applications

Industrial power distribution

Main distribution panels

Large load protection

Commercial power systems

Control systems

Switchgear

Compatible systems

Industrial distribution panels Siemens switchgear Commercial power distribution

Also known as

Siemens 5SY8350-7 MCB Siemens 3 Pole C50 Breaker Siemens 50A C-Curve 400V Breaker

Replaces / compatible with

This 3-pole, 50A circuit breaker is suitable for replacing existing breakers in main distribution panels or for protecting significant loads in industrial and commercial settings.

Technical note

Expert tip

Ensure that the upstream overcurrent protection device is rated appropriately for the Siemens 5SY8350-7 to maintain selective protection coordination in the distribution system.

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Frequently asked questions

What kind of loads is the Siemens 5SY8350-7 suitable for protecting?

The Siemens 5SY8350-7, with its 50A rating and C-curve, is suitable for protecting circuits supplying significant loads that may have moderate inrush currents. This includes distribution circuits, larger machinery, and other industrial equipment where overcurrent protection is essential.