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Siemens 5SY4505-8 Miniature Circuit Breaker - 1+N Pole, 0.5A

Siemens 5SY4505-8 Miniature Circuit Breaker: 230V, 0.5A, 1+N pole.

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ManufacturerSiemens

Part number5SY4505-8

Part Number 5SY4505-8

Manufacturer Siemens

Poles 1+N

Voltage 230V

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1+N Pole Configuration 10kA Breaking Capacity Type D Tripping Curve 230V Rated Voltage Compact 70mm Width Overcurrent Protection

Product description

The Siemens 5SY4505-8 is a high-performance miniature circuit breaker designed for reliable overcurrent protection. It features a 230V rating, a 10kA breaking capacity, and a 1+N pole configuration, suitable for single-phase and neutral circuits. With a D-curve characteristic and a sensitive tripping current of 0.5A, it offers precise protection against short circuits and overloads.

This circuit breaker is ideal for use in residential, commercial, and industrial electrical installations where safety and reliable power distribution are paramount. It's commonly found in distribution boards, control panels, and machinery requiring protection for sensitive electronic equipment.

Source your Siemens 5SY4505-8 from Stanlo Automation, your trusted veteran-owned surplus parts distributor. We offer competitive pricing and quick delivery, ensuring your automation systems remain operational with genuine, high-quality components.

Technical specifications

Part Number	5SY4505-8
Manufacturer	Siemens
Poles	1+N
Voltage	230V
Breaking Capacity	10kA
Current Rating	0.5A
Curve	Type D
Width	70 mm

Common applications

Residential Distribution Panels

Commercial Electrical Systems

Industrial Control Cabinets

Machinery Protection

Lighting Circuits

Socket Outlets

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SY4 Miniature Circuit Breaker Siemens 5SY4505 5SY4505-8 Circuit Breaker

Replaces / compatible with

This part is a direct replacement for other Siemens 5SY4 series circuit breakers with similar specifications. Please consult Siemens documentation for specific compatibility.

Technical note

Expert tip

Ensure proper terminal torque is applied during installation to maintain reliable contact and prevent overheating, especially with the 0.5A rating.

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Frequently asked questions

What is the breaking capacity of the Siemens 5SY4505-8?

The Siemens 5SY4505-8 miniature circuit breaker has a breaking capacity of 10kA. This ensures it can safely interrupt fault currents without causing damage to the electrical system.