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Siemens Miniature Circuit Breaker (MCB) 5SX23-B32 - 32A

Siemens 5SX23-B32 Type B Miniature Circuit Breaker, 32A, 3-pole.

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ManufacturerSiemens

Part number5SX23-B32

Type Miniature Circuit Breaker (MCB)

Series 5SX23

Poles 3

Current Rating 32A

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3-pole protection Type B tripping curve 32A current rating 400V AC voltage 6kA breaking capacity DIN rail mounting

Product description

The Siemens 5SX23-B32 is a miniature circuit breaker (MCB) designed for reliable overcurrent protection in electrical circuits. This 3-pole breaker features a Type B tripping characteristic, making it suitable for protecting circuits with inductive loads where higher inrush currents may occur. It is rated for 32A and has a voltage rating of 400V AC.

This MCB is essential for safeguarding electrical installations in residential, commercial, and industrial settings against short circuits and overloads. Applications include protecting distribution boards, control panels, and sensitive equipment where precise and timely circuit interruption is critical to prevent damage and ensure safety.

Stanlo Automation, a veteran-owned supplier of surplus industrial parts, offers the Siemens 5SX23-B32 MCB. Secure dependable circuit protection components for your electrical systems. We provide quality surplus parts to help maintain operational efficiency and safety.

Technical specifications

Type	Miniature Circuit Breaker (MCB)
Series	5SX23
Poles	3
Current Rating	32A
Tripping Curve	Type B
Voltage Rating	400V AC
Breaking Capacity	6 kA

Common applications

Residential electrical panels

Commercial distribution boards

Industrial control cabinets

Motor circuit protection

Lighting circuits

Compatible systems

Standard DIN rail mounting Electrical distribution boards Control panels

Also known as

Siemens MCB 5SX23 32A circuit breaker Siemens 5SX23-B32 3-pole

Replaces / compatible with

This 3-pole, Type B, 32A MCB can replace other Siemens or equivalent circuit breakers with similar specifications for overcurrent protection in 400V AC systems.

Technical note

Expert tip

Type B breakers are generally recommended for lighting and socket outlet circuits. For motor protection, a Type C or D breaker might be more appropriate depending on the motor's starting current.

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Frequently asked questions

What is the tripping characteristic of the Siemens 5SX23-B32 circuit breaker?

The Siemens 5SX23-B32 circuit breaker features a Type B tripping characteristic. This means it trips between 3 to 5 times its rated current, making it suitable for circuits with low inrush currents or general purpose protection.