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Siemens 5SM2342-6 4-Pole Type A RC Unit - 40A 30mA 400V

Siemens 5SM2342-6 4-Pole Type A RC Unit

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ManufacturerSiemens

Part number5SM2342-6

Poles 4

Type A

In 40 A

IΔn 30 mA

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Type A sensitivity 4-pole design 40A rated current 30mA tripping current 400V AC operational voltage For 5SY series

Product description

The Siemens 5SM2342-6 is a 4-pole Residual Current (RC) unit from the 5SY series, featuring Type A sensitivity. It has a rated current (In) of 40A, a tripping current (IΔn) of 30mA, and an operating voltage (Un AC) of 400V. This unit provides comprehensive protection for four-wire three-phase systems against AC and pulsating DC residual currents.

This 4-pole Type A RC unit is designed for use in four-wire three-phase industrial power systems where protection against both AC and pulsating DC earth leakage currents is necessary. It is commonly installed in main distribution boards or for specific circuits feeding sensitive equipment.

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts, is your reliable source for the Siemens 5SM2342-6. We understand the importance of having the right parts readily available to minimize downtime and ensure the safety and efficiency of your operations.

Technical specifications

Poles	4
Type	A
In	40 A
IΔn	30 mA
Un AC	400 V
Series	5SY

Common applications

Industrial 4-wire systems

Three-phase distribution

Motor protection

IT infrastructure

Data centers

Sensitive equipment protection

400V power systems

Compatible systems

Siemens 5SY series modular systems

Also known as

Siemens 5SM2342-6 RCD 5SM2342-6 residual current breaker Siemens Type A RCBO 5SM2342-6

Replaces / compatible with

The Siemens 5SM2342-6 is a direct replacement for 4-pole Type A RC units within the Siemens 5SY series. It is compatible with other Siemens 5SY components and systems. Consult Siemens documentation for precise compatibility.

Technical note

Expert tip

The 4-pole configuration of the 5SM2342-6 ensures that all live conductors and the neutral are disconnected simultaneously upon detecting a residual current, providing comprehensive circuit isolation.

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Frequently asked questions

What is the advantage of a 4-pole Type A RC unit like the Siemens 5SM2342-6?

A 4-pole Type A RC unit like the Siemens 5SM2342-6 provides protection for all four conductors (three phases and neutral) in a three-phase system. Its Type A sensitivity ensures detection of both AC and pulsating DC residual currents, offering enhanced safety for systems with potentially non-linear loads.