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Siemens 5SX22-C40 Miniature Circuit Breaker

Siemens 2-pole Type C Miniature Circuit Breaker, 40A.

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ManufacturerSiemens

Part number5SX22-C40

Poles 2

Rated Current 40A

Tripping Characteristic Type C

Rated Voltage 230/400V AC

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Veteran-owned

CAGE: 9NK75

2-pole design Type C tripping curve 40A current rating Reliable overload and short-circuit protection DIN rail mountable

Product description

The Siemens 5SX22-C40 is a two-pole miniature circuit breaker (MCB) designed for reliable overcurrent protection in electrical installations. It features a Type C tripping characteristic, meaning it trips between 5 to 10 times the rated current, making it suitable for circuits with moderate inrush currents. This breaker has a rated current of 40A and is designed for use with AC voltage systems, rated at 230V for single-phase and 400V for three-phase applications.

This MCB is commonly used in residential, commercial, and industrial power distribution systems to protect wiring and equipment from short circuits and overloads. Its robust construction and Siemens quality ensure dependable operation in various environments, safeguarding electrical circuits from damage and preventing hazards.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 5SX22-C40 circuit breaker. Secure essential components for your electrical projects with quality surplus parts from Stanlo, ensuring both reliability and cost-effectiveness.

Technical specifications

Poles	2
Rated Current	40A
Tripping Characteristic	Type C
Rated Voltage	230/400V AC
Breaking Capacity	6kA (IEC/EN 60898-1)

Common applications

Residential electrical panels

Commercial building distribution

Industrial control panels

Lighting circuits

Motor protection

Compatible systems

Standard DIN rail mounting systems Compatible with Siemens industrial enclosures

Also known as

Siemens MCB 5SX22-C40 2-pole 40A circuit breaker Type C breaker

Replaces / compatible with

This breaker is a standard replacement for Siemens 5SX series MCBs or other brands with similar specifications and form factors.

Technical note

Expert tip

Ensure correct torque is applied to the terminals during installation to maintain secure connections and prevent overheating.

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Frequently asked questions

What is the tripping characteristic of the Siemens 5SX22-C40 circuit breaker?

The Siemens 5SX22-C40 circuit breaker features a Type C tripping characteristic. This means it is designed to trip when the current reaches 5 to 10 times its rated current (40A), making it suitable for circuits with inductive loads or moderate inrush currents.