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Siemens 5SY4308-7 3-Pole Miniature Circuit Breaker - 8A, 400V

Siemens 5SY4308-7 Miniature Circuit Breaker

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ManufacturerSiemens

Part number5SY4308-7

Poles 3

Current Rating 8A

Voltage Rating 400V AC

Breaking Capacity 10kA

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Veteran-owned

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3-pole design 8A current rating Type C tripping curve 10kA breaking capacity DIN rail mountable Versatile protection

Product description

The Siemens 5SY4308-7 is a 3-pole miniature circuit breaker designed for reliable circuit protection. It operates at 400V AC with a current rating of 8A and a short circuit breaking capacity of 10kA. This breaker features a Type C tripping characteristic, making it suitable for loads with moderate inrush currents.

This circuit breaker is ideal for industrial control panels, distribution systems, and machinery where protection against overloads and short circuits is necessary. Its Type C curve is a versatile choice for applications involving motors, transformers, and other inductive loads.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 5SY4308-7. We provide quality components and competitive pricing, ensuring you get the reliable parts needed for your projects.

Technical specifications

Poles	3
Current Rating	8A
Voltage Rating	400V AC
Breaking Capacity	10kA
Tripping Characteristic	C
Mounting	DIN Rail
IP Rating	IP20

Common applications

Industrial Control Panels

Distribution Systems

Machinery Protection

Automation Equipment

Motor Circuits

Compatible systems

General industrial automation systems, control panels, and electrical distribution boards.

Also known as

Siemens SENTRON 5SY4308-7 5SY4 Series MCB Siemens 8A 3P C-curve breaker

Replaces / compatible with

Compatible with Siemens SENTRON 5SY series accessories. Consult manufacturer documentation for specific replacement information.

Technical note

Expert tip

The 5SY4308-7 is part of the SENTRON series, designed for reliable protection in both industrial and building applications, offering consistent performance across a range of conditions.

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Frequently asked questions

What is the breaking capacity of the Siemens 5SY4308-7 circuit breaker?

The Siemens 5SY4308-7 miniature circuit breaker has a short circuit breaking capacity of 10kA at 400V AC. This rating indicates its ability to safely interrupt fault currents up to this level, protecting downstream equipment and personnel.