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Siemens 5SY4305-7 3-Pole Miniature Circuit Breaker - 0.5A, 400V

Siemens 5SY4305-7 Miniature Circuit Breaker

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ManufacturerSiemens

Part number5SY4305-7

Poles 3

Current Rating 0.5A

Voltage Rating 400V AC

Breaking Capacity 10kA

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Veteran-owned

CAGE: 9NK75

3-pole design 0.5A current rating Type C tripping curve 10kA breaking capacity DIN rail mountable High reliability

Product description

The Siemens 5SY4305-7 is a 3-pole miniature circuit breaker designed for precise overcurrent protection in sensitive circuits. It operates at 400V AC with a current rating of 0.5A and offers a short circuit breaking capacity of 10kA. This breaker features a Type C tripping characteristic, suitable for loads with moderate inrush currents.

This circuit breaker is ideal for protecting electronic equipment, control circuits, and lighting installations where rapid and reliable protection against overloads and short circuits is crucial. It is commonly used in commercial buildings, control cabinets, and industrial automation systems.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, offers the Siemens 5SY4305-7. We pride ourselves on delivering quality and value, ensuring you find the essential components for your operational needs.

Technical specifications

Poles	3
Current Rating	0.5A
Voltage Rating	400V AC
Breaking Capacity	10kA
Tripping Characteristic	C
Mounting	DIN Rail
IP Rating	IP20

Common applications

Electronic Equipment Protection

Control Circuits

Lighting Installations

Automation Cabinets

Building Automation

Compatible systems

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

Also known as

Siemens SENTRON 5SY4305-7 5SY4 Series MCB Siemens 0.5A 3P breaker

Replaces / compatible with

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

Technical note

Expert tip

This breaker is rated for 400V AC and has a 10kA breaking capacity, providing robust protection against short circuits in industrial and commercial environments.

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Frequently asked questions

What applications are best suited for the Siemens 5SY4305-7 circuit breaker?

The Siemens 5SY4305-7, with its Type C tripping characteristic, is well-suited for circuits with moderate inrush currents. This includes protecting sensitive electronic equipment, control transformers, lighting, and general loads in residential and commercial installations.