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Siemens 5SV4342-0 4-Pole Type AC RCCB — 25A 30mA 400V

Siemens 4-pole Type AC Residual Current Circuit Breaker

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ManufacturerSiemens

Part number5SV4342-0

Poles 4

Type AC

Rated Current (In) 25 A

Rated Residual Current (In) 30 mA

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4-pole configuration Type AC RCD 25A current rating 30mA sensitivity 400V rated voltage Detects sinusoidal AC residual currents

Product description

The Siemens 5SV4342-0 is a 4-pole residual current operated circuit breaker (RCCB) of Type AC. It features a rated current (In) of 25A and a rated residual current (In) of 30mA, with a nominal voltage (Un AC) of 400V. This device is designed to provide essential protection against indirect contact and fire hazards from earth faults.

This RCCB is suitable for overcurrent and earth fault protection in industrial and commercial applications requiring 4-pole switching. It is important to note that the use of Type AC devices may not be permitted in all countries, and national installation regulations must be observed.

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Technical specifications

Poles	4
Type	AC
Rated Current (In)	25 A
Rated Residual Current (In)	30 mA
Rated Voltage (Un AC)	400 V
Series	5SV4

Common applications

Industrial switchboards

Commercial distribution boards

Machine control panels

Power distribution units

Applications requiring 4-pole switching

Compatible systems

Compatible with standard DIN rail mounting systems and Siemens distribution boards. Suitable for 400V AC, 3-phase circuits.

Also known as

Siemens 5SV4342-0 RCCB Siemens 25A 4-pole Type AC RCD Siemens 5SV4 Series breaker

Replaces / compatible with

This device is designed for use in installations requiring 4-pole Type AC residual current protection. It replaces older Siemens RCCB models with similar specifications, but always verify national regulations.

Technical note

Expert tip

When installing in a three-phase system, ensure correct identification and connection of line and neutral conductors to the respective poles for proper functionality and safety.

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Frequently asked questions

What is the purpose of the 4 poles in the Siemens 5SV4342-0?

The Siemens 5SV4342-0 is a 4-pole RCCB, meaning it switches all four conductors (typically line 1, line 2, line 3, and neutral) simultaneously. This is common in three-phase systems to ensure complete isolation and protection.