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Siemens 5SY4120-7 Miniature Circuit Breaker - 20A

Siemens 5SY4120-7 Miniature Circuit Breaker - 20A.

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ManufacturerSiemens

Part number5SY4120-7

Poles 1

Rated Current 20 A

Breaking Capacity 10 kA

Tripping Curve C

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Veteran-owned

CAGE: 9NK75

1-pole protection Type C tripping 10kA breaking capacity Overcurrent and short-circuit protection DIN rail mountable

Product description

The Siemens 5SY4120-7 is a miniature circuit breaker designed for electrical circuit protection. It is a single-pole (1-pole) device with a Type C tripping characteristic, a current rating of 20 Amps, and a breaking capacity of 10 kA. It operates at 230/400 V and has a width of 70 mm (D=70 mm).

This circuit breaker is essential for protecting electrical installations and equipment from overcurrents and short circuits in residential, commercial, and industrial settings. Applications include power distribution panels, control cabinets, and protecting individual circuits.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 5SY4120-7. We provide reliable and cost-effective solutions for your electrical protection needs, ensuring operational continuity.

Technical specifications

Poles	1
Rated Current	20 A
Breaking Capacity	10 kA
Tripping Curve	C
Voltage Rating	230/400 V
Width	70 mm

Common applications

Electrical distribution panels

Control cabinets

Residential wiring

Commercial installations

Industrial circuits

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SY41207 Miniature Circuit Breaker 20A C-curve

Technical note

Expert tip

Ensure this C-curve breaker is used for applications with moderate inductive loads, such as fluorescent lighting or motor circuits.

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Frequently asked questions

What are the key specifications of the Siemens 5SY4120-7 miniature circuit breaker?

The Siemens 5SY4120-7 is a 1-pole, 20A miniature circuit breaker with a Type C tripping curve and a 10kA breaking capacity. It is rated for 230/400V and has a width of 70mm.