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Siemens 5SY4118-7 Miniature Circuit Breaker - 1-Pole, C Curve, 15A

Siemens 5SY4118-7 Miniature Circuit Breaker

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ManufacturerSiemens

Part number5SY4118-7

Manufacturer Siemens

Part Number 5SY4118-7

Type Miniature Circuit Breaker

Poles 1

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Single pole configuration 10kA short-circuit rating Type C tripping characteristic 15A rated current 70mm width Overload and short-circuit protection

Product description

The Siemens 5SY4118-7 is a single-pole miniature circuit breaker with a 15A rated current and a Type C tripping characteristic. It operates at 230/400V and offers a substantial 10kA breaking capacity. This breaker is well-suited for circuits experiencing moderate inrush currents, providing reliable protection against overloads and short circuits.

This circuit breaker is widely used in industrial and commercial applications, particularly for protecting circuits that power equipment with moderate starting currents, such as motors, transformers, and lighting systems. The Type C curve ensures reliable operation by allowing for these temporary surges without tripping.

Stanlo Automation, a veteran-owned distributor of industrial surplus, is your reliable source for the Siemens 5SY4118-7. We offer quality components and dedicated service to meet your automation and electrical needs.

Technical specifications

Manufacturer	Siemens
Part Number	5SY4118-7
Type	Miniature Circuit Breaker
Poles	1
Rated Voltage	230/400 V
Breaking Capacity	10 kA
Tripping Characteristic	C
Rated Current	15 A
Width (D)	70 mm

Common applications

Motor Control

Industrial Machinery

Control Panels

Commercial Buildings

Lighting Circuits

Automation Systems

Compatible systems

Standard DIN rail mounting

Also known as

Siemens 5SY4118-7 MCB 5SY4 MCB 15A C-curve Siemens 1-pole 15A breaker

Replaces / compatible with

This 15A Type C miniature circuit breaker is suitable for protecting circuits with moderate inrush currents and is compatible with Siemens 5SY4 series installations.

Technical note

Expert tip

The 15A rating of the 5SY4118-7, combined with its Type C curve, provides a robust solution for protecting general industrial loads that may experience transient overcurrents during operation.

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Frequently asked questions

What is the purpose of the 15A rating and Type C curve on the Siemens 5SY4118-7?

The Siemens 5SY4118-7 features a 15A rating and a Type C tripping characteristic, making it suitable for circuits with moderate inrush currents, such as those powering motors or lighting. This allows for reliable operation during startup surges while still providing effective protection against overloads and short circuits.