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Siemens 5SM2622-2 40A 300mA 230V AC Type RC Unit

Siemens 5SM2622-2 2-pole Type AC Residual Current Unit.

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ManufacturerSiemens

Part number5SM2622-2

Part Number 5SM2622-2

Manufacturer Siemens

Poles 2

Type AC

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2-pole configuration Type AC Selective tripping 40A current rating 300mA sensitivity 230V AC operation

Product description

The Siemens 5SM2622-2 is a 2-pole, type AC residual current (RC) unit designed for selective tripping within the 5SY series. It features a rated current (In) of 40A and a residual current sensitivity of 300mA, operating at a voltage of 230V AC.

This RC unit is crucial for enhancing safety in electrical installations by detecting earth faults. It is commonly used in residential, commercial, and industrial applications to protect circuits from overcurrents caused by insulation failures, preventing electrical fires and shocks.

Sourced from a veteran-owned business, Stanlo Automation offers reliable surplus industrial parts like the Siemens 5SM2622-2. Ensure your electrical safety systems are up-to-date with our quality components.

Technical specifications

Part Number	5SM2622-2
Manufacturer	Siemens
Poles	2
Type	AC
Tripping Characteristic	Selective
Rated Current (In)	40 A
Residual Current	300 mA
Rated Voltage (Un AC)	230 V
Series	5SY

Common applications

Residential electrical panels

Commercial building circuits

Industrial safety systems

Protection against earth faults

Motor protection

Lighting circuits

Compatible systems

Siemens 5SY series circuit breakers Electrical distribution boards

Also known as

Siemens 5SM2622-2 RCBO Siemens 5SY RC unit Siemens residual current breaker 5SM2622-2

Replaces / compatible with

This unit is designed to integrate with Siemens 5SY circuit breakers and offers selective tripping capabilities.

Technical note

Expert tip

Ensure proper coordination with upstream overcurrent protective devices to achieve selective tripping.

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Frequently asked questions

What is the selective tripping feature of the Siemens 5SM2622-2?

The selective tripping feature of the 5SM2622-2 ensures that only the affected circuit trips in case of a fault, preventing nuisance tripping of upstream breakers. This is achieved through a time delay, allowing the closest protective device to react first.