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Siemens 5SY4625-7 Miniature Circuit Breaker - 25A, 3+N-Pole, C-Curve

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ManufacturerSiemens

Part number5SY4625-7

Voltage 400V AC

Current 25A

Poles 3+N

Breaking Capacity 10kA

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Veteran-owned

CAGE: 9NK75

Three-phase protection C-curve tripping 3+N pole design 10kA breaking capacity DIN rail mount

Product description

The Siemens 5SY4625-7 is a robust miniature circuit breaker designed for comprehensive protection in three-phase systems. It features a 3+N-pole configuration, a C-curve tripping characteristic, a rated current of 25A, and a breaking capacity of 10kA at 400V.

This circuit breaker is ideal for protecting three-phase loads such as motors, machinery, and distribution systems in industrial and commercial settings. Its standard dimensions ensure compatibility with typical control panels and switchboards.

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation components, offers the Siemens 5SY4625-7. We provide reliable and cost-effective parts to keep your industrial operations running efficiently.

Technical specifications

Voltage	400V AC
Current	25A
Poles	3+N
Breaking Capacity	10kA
Curve	C
Width	70mm

Common applications

Industrial three-phase motors

Machine tools

Three-phase distribution

HVAC systems

Compatible systems

Standard DIN rail distribution boards for three-phase systems

Also known as

Siemens 5SY4 breaker 5SY46257 Siemens MCB 25A 3 phase

Replaces / compatible with

This breaker is part of the Siemens 5SY4 series and can be used as a direct replacement for other breakers within this line with identical specifications. Always verify compatibility before installation.

Technical note

Expert tip

Ensure that the neutral conductor is correctly wired and sized according to local electrical codes when installing this 3+N pole breaker.

What happens next?

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Frequently asked questions

What is the function of the neutral pole in the Siemens 5SY4625-7 3+N breaker?

The 3+N pole configuration means that the Siemens 5SY4625-7 provides protection for all three phases and the neutral conductor. This is crucial for preventing overcurrents in systems where unbalanced loads or single-phase faults could occur on the neutral line.