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Siemens 9AB4143-2SF10 3-Pole Miniature Circuit Breaker

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ManufacturerSiemens

Part number9AB4143-2SF10

Poles 3

Current Rating 10A

Voltage Rating 400V AC

Tripping Type Thermal-Magnetic

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Veteran-owned

CAGE: 9NK75

3-Pole Design Thermal-Magnetic Tripping 10A Current Rating 400V AC Voltage Overcurrent Protection Compact Size

Product description

The Siemens 9AB4143-2SF10 is a 3-pole miniature circuit breaker designed for overcurrent protection in electrical installations. It features a thermal-magnetic tripping mechanism for reliable protection against overloads and short circuits. This breaker is rated for 10 Amperes and a maximum voltage of 400V AC.

This circuit breaker is commonly used in residential, commercial, and industrial distribution boards for safeguarding circuits in lighting, power outlets, and machinery. Its robust construction ensures safety and compliance with electrical standards.

Stanlo Automation, a veteran-owned supplier of surplus industrial parts, offers the Siemens 9AB4143-2SF10. We provide reliable and cost-effective solutions for your automation and electrical needs.

Technical specifications

Poles	3
Current Rating	10A
Voltage Rating	400V AC
Tripping Type	Thermal-Magnetic
Breaking Capacity	6kA (IEC standard)

Common applications

Residential Electrical Panels

Commercial Buildings

Industrial Distribution Boards

Machine Protection

Lighting Circuits

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens MCB 10A

Replaces / compatible with

Replaces older Siemens 3-pole miniature circuit breakers with similar current and voltage ratings.

Technical note

Expert tip

Ensure proper torque is applied to the terminals during installation to prevent loose connections and potential overheating.

What happens next?

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Frequently asked questions

What is the breaking capacity of the Siemens 9AB4143-2SF10 circuit breaker?

The Siemens 9AB4143-2SF10 miniature circuit breaker has a breaking capacity of 6kA at 400V AC, providing reliable protection against short circuits in accordance with IEC standards.