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Siemens 5SY4306-7 3-Pole Miniature Circuit Breaker - 6A, 400V

Siemens 5SY4306-7 Miniature Circuit Breaker

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ManufacturerSiemens

Part number5SY4306-7

Poles 3

Current Rating 6A

Voltage Rating 400V AC

Breaking Capacity 10kA

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Veteran-owned

CAGE: 9NK75

3-pole design 6A current rating Type C tripping curve 10kA breaking capacity DIN rail mountable Versatile application

Product description

The Siemens 5SY4306-7 is a 3-pole miniature circuit breaker offering reliable protection for various applications. It operates at 400V AC with a current rating of 6A and 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 widely used in industrial control panels, distribution boards, and machinery where protection against overloads and short circuits is essential. Its Type C curve balances sensitivity to faults with tolerance for typical inductive load startup surges.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, provides the Siemens 5SY4306-7. We aim to deliver high-quality components and excellent value to keep your operations running smoothly.

Technical specifications

Poles	3
Current Rating	6A
Voltage Rating	400V AC
Breaking Capacity	10kA
Tripping Characteristic	C
Mounting	DIN Rail
IP Rating	IP20

Common applications

Industrial Control Panels

Distribution Boards

Machinery Protection

Automation Systems

Commercial Installations

Compatible systems

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

Also known as

Siemens SENTRON 5SY4306-7 5SY4 Series MCB Siemens 6A 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

This UL 1077 recognized supplementary protector is designed for additional overcurrent protection within an enclosure, alongside a primary branch circuit breaker.

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Frequently asked questions

When should a Type C circuit breaker like the 5SY4306-7 be used?

A Type C circuit breaker, such as the Siemens 5SY4306-7, is recommended for circuits with moderate inrush currents. This typically includes inductive loads like small motors, fluorescent lighting, and general-purpose outlets where startup currents can be 5 to 10 times the rated current.