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Siemens SENTRON 5SY4325-7 3-Pole C Curve Miniature Circuit Breaker

Siemens 5SY4325-7 3-pole C-curve miniature circuit breaker.

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ManufacturerSiemens

Part number5SY4325-7

Voltage 400V AC

Current 25A

Poles 3

Tripping Characteristic C

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Veteran-owned

CAGE: 9NK75

3-pole design Type C tripping curve 10kA breaking capacity DIN rail mountable Protects circuits with moderate inrush Versatile industrial protection

Product description

The Siemens 5SY4325-7 is a 3-pole miniature circuit breaker from the SENTRON 5SY4 series, featuring a Type C tripping characteristic. It operates at 400V with a 10kA breaking capacity. The C-curve is suitable for circuits with moderate inrush currents, making it versatile for various industrial and commercial applications.

This breaker is commonly used for protecting circuits with inductive loads like motors, transformers, and lighting systems that experience higher starting currents. Its balanced tripping behavior prevents nuisance tripping while ensuring effective protection against overloads and short circuits.

As a veteran-owned surplus parts distributor, Stanlo Automation is your reliable source for the Siemens 5SY4325-7. We ensure the authenticity and quality of our industrial automation components, providing efficient and dependable solutions for your MRO needs.

Technical specifications

Voltage	400V AC
Current	25A
Poles	3
Tripping Characteristic	C
Breaking Capacity	10kA
Series	5SY4
Mounting	DIN Rail

Common applications

Industrial machinery

Motor control

Lighting systems

Commercial distribution panels

HVAC equipment

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SY43257 SENTRON 5SY4 C25 3P MCB 25A C

Replaces / compatible with

Compatible with Siemens SENTRON 5SY series accessories.

Technical note

Expert tip

The 5SY4 series breakers are rated for 400V AC and 10kA interrupting capacity, ensuring robust protection.

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Frequently asked questions

How does the Type C tripping curve of the Siemens 5SY4325-7 differ from Type B?

The Type C curve trips at 5-10 times the rated current, providing better tolerance for moderate inrush currents found in inductive loads like motors and lighting compared to the Type B curve's 3-5 times.