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Siemens 5SY6 Miniature Circuit Breaker - 20A, C-Curve

Siemens Miniature Circuit Breaker, 230V, 20A, C-curve.

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ManufacturerSiemens

Part number5SY6520-7

Voltage 230 V

Breaking Capacity 6 kA

Poles 1+N

Trip Curve C

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Veteran-owned

CAGE: 9NK75

230V AC operation 6kA breaking capacity C-curve tripping characteristic 1+N pole configuration Reliable overcurrent protection Compact design

Product description

The Siemens 5SY6520-7 is a high-performance miniature circuit breaker (MCB) designed for reliable overcurrent protection. This single-phase plus neutral (1+N-pole) unit features a C-curve tripping characteristic, suitable for applications with moderate inrush currents. It has a rated voltage of 230V and a breaking capacity of 6kA, ensuring safety in fault conditions. The breaker is rated for 20 Amps and has a width of 70 mm (D=70 mm), allowing for compact panel installations.

This circuit breaker is ideal for protecting electrical installations, circuits, and equipment in residential, commercial, and light industrial applications. It safeguards against short circuits and overloads, preventing damage to wiring and connected devices, and ensuring operational safety.

Stanlo Automation, a veteran-owned surplus industrial parts supplier, offers the Siemens 5SY6520-7 Miniature Circuit Breaker. We provide quality, tested components to keep your electrical systems protected and operational. Choose Stanlo for your circuit protection needs.

Technical specifications

Voltage	230 V
Breaking Capacity	6 kA
Poles	1+N
Trip Curve	C
Amperage	20 A
Width	70 mm

Common applications

Residential Electrical Panels

Commercial Buildings

Light Industrial Circuits

Motor Branch Circuits

Lighting Circuits

Equipment Protection

Compatible systems

Standard DIN rail enclosures

Also known as

Siemens MCB 5SY6520-7 Siemens 20A circuit breaker

Replaces / compatible with

Compatible with standard DIN rail mounting systems.

Technical note

Expert tip

This breaker is designed for AC circuits only and requires appropriate overvoltage protection in environments prone to surges.

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Frequently asked questions

What is the tripping characteristic of the Siemens 5SY6520-7 circuit breaker?

The Siemens 5SY6520-7 miniature circuit breaker features a C-curve tripping characteristic. This means it is designed to trip between 5 to 10 times its rated current, making it suitable for circuits with moderate inductive loads or inrush currents.