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Siemens 5SX2U12A Miniature Circuit Breaker

Siemens 5SX2U12A Miniature Circuit Breaker, 12A, 240V AC.

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ManufacturerSiemens

Part number5SX2U12A

Rating 12A

Voltage 240V AC

Breaking Capacity 10kA

Series S200

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12-month warranty

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Veteran-owned

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Overcurrent protection Short circuit protection Overload protection Compact design Reliable tripping S200 series

Product description

The Siemens 5SX2U12A is a miniature circuit breaker (MCB) from the S200 series, designed for overcurrent protection in electrical installations. This specific model is rated for 12 Amperes and features a breaking capacity of 10 kA at 240V AC. It provides reliable protection against short circuits and overloads, ensuring the safety of electrical circuits and equipment.

This circuit breaker is suitable for use in residential, commercial, and industrial applications where standard overcurrent protection is required. It is commonly installed in distribution boards, control panels, and machine enclosures.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 5SX2U12A. We provide access to quality industrial components, helping you find cost-effective solutions for electrical protection needs.

Technical specifications

Rating	12A
Voltage	240V AC
Breaking Capacity	10kA
Series	S200

Common applications

Residential electrical panels

Commercial buildings

Industrial control panels

Machine protection

Load distribution

Compatible systems

Standard DIN rail mounting Compatible with Siemens distribution boards and enclosures

Also known as

Siemens S200 breaker 5SX2-U12A Siemens 12 Amp breaker

Replaces / compatible with

The Siemens 5SX2U12A can replace other S200 series breakers with the same current and voltage rating, or older Siemens circuit breakers where compatible.

Technical note

Expert tip

Ensure the circuit breaker is installed in a suitable enclosure and that the circuit's expected fault current does not exceed its 10kA breaking capacity.

What happens next?

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Frequently asked questions

What is the breaking capacity of the Siemens 5SX2U12A miniature circuit breaker?

The Siemens 5SX2U12A miniature circuit breaker has a breaking capacity of 10 kA (kiloamperes) at 240V AC. This indicates its ability to safely interrupt fault currents up to this level.