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Siemens 5SY6 1+N-Pole Miniature Circuit Breaker, 25A, C Curve

Siemens 5SY6 miniature circuit breaker, 1+N-pole, 25A, Type C.

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ManufacturerSiemens

Part number5SY6525-7

Voltage 230V

Current 25A

Poles 1+N

Breaking Capacity 6kA

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1+N-pole configuration 6kA breaking capacity Type C tripping curve for high inrush Compact 70mm width Industrial grade protection

Product description

The Siemens 5SY6525-7 is a high-performance miniature circuit breaker designed for robust overcurrent protection in demanding environments. This 1+N-pole unit operates at 230V with a 6kA breaking capacity and features a Type C tripping characteristic, making it suitable for circuits with significant inrush currents. It has a rated current of 25A and a standard 70mm width for DIN rail mounting.

This breaker is ideal for industrial and heavy commercial applications, such as protecting power circuits for machinery, large motors, and distribution systems where reliable performance under load is critical. The Type C curve ensures it can handle the starting currents of equipment without unnecessary interruption.

Source your Siemens 5SY6525-7 from Stanlo Automation, a veteran-owned leader in surplus industrial automation parts. We provide dependable access to high-quality components to keep your operations running smoothly.

Technical specifications

Voltage	230V
Current	25A
Poles	1+N
Breaking Capacity	6kA
Tripping Characteristic	C
Width	70mm

Common applications

Industrial Machinery

Motor Control

Power Distribution

Commercial Facilities

Heavy Loads

Compatible systems

Standard DIN rail mounting systems Siemens fuse and adapter systems

Also known as

Siemens 5SY6 MCB 5SY6325-7 25A 1+N Pole C Curve Breaker

Replaces / compatible with

This circuit breaker is suitable for replacing or complementing existing 1+N pole circuit breakers with a Type C tripping characteristic and similar current rating. It integrates with Siemens DIN rail mounting systems.

Technical note

Expert tip

Ensure proper upstream fusing and conductor sizing are in place to meet the 6kA breaking capacity requirements for the installation.

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Frequently asked questions

What kind of loads can the Siemens 5SY6525-7 breaker protect?

The Siemens 5SY6525-7, with its Type C tripping characteristic, is well-suited for protecting circuits powering inductive loads such as motors, transformers, and certain types of lighting that experience higher inrush currents during startup.