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Siemens SENTRON 5SY4325-6 3-Pole B Curve Miniature Circuit Breaker

Siemens 5SY4325-6 3-pole B-curve miniature circuit breaker.

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ManufacturerSiemens

Part number5SY4325-6

Voltage 400V AC

Current 25A

Poles 3

Tripping Characteristic B

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12-month warranty

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Veteran-owned

CAGE: 9NK75

3-pole design Type B tripping curve 10kA breaking capacity DIN rail mountable Protection for sensitive circuits Reliable Siemens quality

Product description

The Siemens 5SY4325-6 is a 3-pole miniature circuit breaker from the SENTRON 5SY4 series, featuring a Type B tripping characteristic. It operates at 400V with a 10kA breaking capacity. The Type B curve is suitable for circuits where the inrush current is not expected to exceed 3-5 times the rated current, often found in residential and light commercial applications.

This breaker is ideal for protecting sensitive electronic equipment, lighting circuits, and general power distribution where precise and immediate response to overcurrents is required. Its reliability ensures consistent circuit protection.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 5SY4325-6. We are committed to providing genuine parts and exceptional service, ensuring your industrial automation needs are met with reliable and high-quality components.

Technical specifications

Voltage	400V AC
Current	25A
Poles	3
Tripping Characteristic	B
Breaking Capacity	10kA
Series	5SY4
Mounting	DIN Rail

Common applications

Residential distribution

Commercial buildings

Electronic equipment protection

Lighting circuits

General power distribution

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SY43256 SENTRON 5SY4 B25 3P MCB 25A B

Replaces / compatible with

Compatible with Siemens SENTRON 5SY series accessories.

Technical note

Expert tip

This breaker has a thermal-magnetic trip mechanism, providing reliable protection against overloads and short circuits.

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Frequently asked questions

What is the main advantage of the Type B curve on the Siemens 5SY4325-6?

The Type B curve offers quick tripping for low overcurrents, making it ideal for protecting sensitive electronic devices and circuits in residential settings. It trips at 3-5 times the rated current, providing fast protection against faults.